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PAES - CPU > PAES 201 TO PAES 259 & PAES 301 TO PAES 320 > Flashcards

PAES 201 TO PAES 259 & PAES 301 TO PAES 320 Flashcards

AGRICULTURAL MACHINERY & ENGINEERING MATERIALS

1
Q

Pressure build-up in the plenum chamber
to maintain uniform distribution of air
flow through the grain mass, expressed in
pascal.
a. Plenum
b. Static pressure
c. Heat utilization
d. Airflow rate

A

b. Static pressure

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2
Q

Based on PAES 252:2011 Coffee Pulper:
What is the maximum speed for the shaft of
the mechanized coffee pulper?
a. 120 rpm
b. 140 rpm
c. 160 rpm
d. 180 rpm

A

a. 120 rpm

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3
Q

Throw-in type of thresher wherein cut
plants are fed between the rotating
cylinder and stationary concave and the
threshed materials/straws are discharged
out of the threshing chamber tangentially
a. Through flow thresher
b. Throw-in thresher
c. Axial flow thresher
d. Hold-on thresher

A

a. Through flow thresher

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4
Q

Based on PAES 222: 2005 Chipping Machine
(Circulated): What is the maximum noise
level?
a. 94 dB
b. 98 dB
c. 92 dB
d. 99 dB

A

c. 92 dB

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5
Q

Component of a rice mill that removes
the hulls (palea and lemma) from the
grains.
a. Rubber roll type
b. Huller/dehuller
c. Abrasive type
d. Friction type

A

b. Huller/dehuller

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6
Q

Based on PAES 252:2011 Coffee Pulper:
What is the minimum pulping recovery?
a. 91.5%
b. 93.5%
c. 95.5%
d. 97.5%

A

b. 93.5%

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7
Q

Type of centrifugal fan that have blades
which are curved forward to the direction
of the rotation and have larger flow rate
when compared to other centrifugal fans of
the same size and speed.
a. Centrifugal Fans with Airfoil Blades
b. Centrifugal Fans with Radial Tip
Blades
c. Centrifugal Fans with Forward-Curved
Blades
d. Centrifugal Fans with Radial blades

A

c. Centrifugal Fans with Forward-Curved
Blades

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8
Q

Grains that have fallen to the ground
due to the machine’s cutting operation.
a. Chipping loss
b. Cutting disc loss
c. Header loss
d. Reel loss

A

c. Header loss

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9
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum header
loss?
a. 1.5%
b. 0.5%
c. 0.75%
d. 0.95%

A

b. 0.5%

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10
Q

Type of micromill with input capacity
of 100-250 kg/h.
a. Bran household model
b. Fiber decorticator
c. Village model
d. Micromill

A

c. Village model

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11
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the minimum purity with sieve and
blower?
a. 88.0%
b. 98.0%
c. 90.0%
d. 95.0%

A

b. 98.0%

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12
Q

Biomass furnace with combustion chamber
that have stair-liked arrangement of grate.
a. Wet type biomass furnace indirect-
fired
b. Cyclonic direct-fired biomass
furnace
c. Step-grate direct-fired biomass
furnace
d. Indirect-fired biomass furnace

A

c. Step-grate direct-fired biomass
furnace

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13
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum purity
with sifter and fan?
a. 97.0%
b. 95.0%
c. 99.0%
d. 93.0%

A

a. 97.0%

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14
Q

Paddy which are light green and chalky
with soft texture.
a. Broken grains
b. Immature grain
c. Cracked grain
d. Damaged grain

A

b. Immature grain

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15
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum mechanically damaged
kernel?
a. 1.5%
b. 0.7%
c. 3.5%
d. 0.9%

A

c. 3.5%

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16
Q

Device used for milling which consists
of rotating hammer(s) and a heavy
perforated screen at the bottom.
a. Aspirator
b. Degerminator
c. Roller mill
d. Hammer mill

A

d. Hammer mill

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17
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum field
efficiency?
a. 75.0%
b. 85.0%
c. 95.0%
d. 93.0%

A

a. 75.0%

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18
Q

Type of driving mechanism that uses
hydraulic or magnetic couplings between
fan/blower wheel shaft and motor shaft
which allows control of fan/blower wheel
speed independent of the motor speed.
a. Variable Drive Fan/Blower
b. Axial-Flow Fans/Blowers
c. Belt-Drive Fan/Blower
d. Direct-Drive Fan/Blower

A

a. Variable Drive Fan/Blower

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19
Q

Based on PAES 246:2010 Dehusked Corn
Dryer: What is the minimum heating system
efficiency for petroleum based fuel
(indirect-fired)?
a. 90%
b. 75%
c. 80%
d. 70%

A

b. 75%

Petroleum based fuel (direct-fired) 90%
Petroleum based fuel (indirect-fired) 75%
Biomass fuel (direct-fired) 65%
Biomass fuel (indirect-fired) 50%

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20
Q

Forage chopper which uses a feeding
mechanism consisting of two feed rolls, or
other means such as an auger, to advance
the crop to the cutting mechanism.
a. Forage chopper
b. Semi-precision-cut forage chopper
c. Random-cut forage chopper
d. Precision-cut forage chopper

A

b. Semi-precision-cut forage chopper

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21
Q

Based on PAES 246:2010 Dehusked Corn
Dryer: What is the minimum moisture content
reduction rate?
a. 0.15% per hour
b. 0.25% per hour
c. 0.35% per hour
d. 0.45% per hour

A

b. 0.25% per hour

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22
Q

Fan that neutralizes air spin for it to
be used as blower in outlet duct and
exhaust in inlet duct.
a. Propeller Fan
b. Centrifugal Fans
c. Vane-Axial Fan
d. Tube-Axial Fan

A

c. Vane-Axial Fan

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23
Q

Based on PAES 243: 2010 Biomass Furnace
– Methods of Test: What is the maximum
moisture content for corn cobs to meet the
efficient burning?
a. 10%
b. 20%
c. 14%
d. 12%

A

a. 10%

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24
Q

Dried coconut meat from which oil is
extracted.
a. Streaks
b. Fiber
c. Copra
d. NOTA

A

c. Copra

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25
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum blower
loss?
a. 1.2%
b. 1.75%
c. 1.5%
d. 1.95%

A

a. 1.2%

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26
Q

Device for moving air which utilizes a
power driven rotating impeller.
a. Fan/blower
b. Static air power
c. Throttling device
d. Pitot tube

A

a. Fan/blower

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27
Q

Part of the energy per unit time that
is imparted by the fan/blower to the air in
overcoming static pressure from the inlet
to the outlet.
a. Fan/blower
b. Static air power
c. Throttling device
d. Pitot tube

A

b. Static air power

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28
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum
separation loss?
a. 1.3%
b. 0.75%
c. 0.85%
d. 0.95%

A

a. 1.3%

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29
Q

Thread like component of rotating
cylinder of the pulping chamber.
a. Mucilage
b. Flute
c. Parchment
d. Pulp

A

b. Flute

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30
Q

Organic materials used as renewable
source of energy like wood chips, corncobs
and rice hulls, etc.
a. Biomass
b. Grate
c. Hearth
d. Workload

A

a. Biomass

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31
Q

Based on PAES 210:2000 Agricultural
Machinery – Corn Mill:
a. 98 dB
b. 92 dB
c. 100 dB
d. 99 dB

A

c. 100 dB

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32
Q

Are used when the shafts are virtually
collinear and when they remain in a fixed
angular relation with respect to each other
(except for angular deflection).
a. Clamp shaft coupling
b. Flange face coupling
c. Flexible couplings
d. Rigid couplings

A

d. Rigid couplings

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33
Q

A cylinder which surrounds the shaft
and is filled with some form of fluid
lubricant.
a. Bolt
b. Journal bearing
c. Journal
d. Lubricant

A

b. Journal bearing

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34
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum purity
without sifter and fan?
a. 97.0%
b. 95.0%
c. 99.0%
d. 93.0%

A

b. 95.0%

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35
Q

Type of plywood intended for outdoor or
marine uses, also known as type I.
a. Exterior plywood
b. Face
c. Face-plywood
d. Fiberboard

A

a. Exterior plywood

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36
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum noise level?
a. 100 dB
b. 99 dB
c. 98 dB
d. 92 dB

A

d. 92 dB

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37
Q

The distance (in millimeters), measured
parallel to the thread axis, between
corresponding points on adjacent thread
forms in the same axial plane on the same
side of the axis.
a. Nut
b. Fastener
c. Screw
d. Pitch

A

d. Pitch

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38
Q

Based on PAES 212: 2004 Rice Reaper:
What is the maximum header loss?
a. 1.5%
b. 0.95%
c. 0.75%
d. 0.5%

A

d. 0.5%

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39
Q

Side board made up of well machined
lumber strips properly dried and glued
together.
a. Lumber core
b. Panel
c. Fiber-cement flat sheets
d. Particle board

A

a. Lumber core

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40
Q

Batch type dryer equipped to circulate
and/or mixed fixed volume of grain during
the drying operation.
a. Flatbed type
b. Recirculating type
c. Columnar type
d. Recirculating type

A

b & d. Recirculating type

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41
Q

High density fiberboard with a smooth
surface on one side and a screen impression
on the other side.
a. Particle board
b. Smooth-one-side (s1s)
c. Plywood
d. Smooth-two-sides (s2s)

A

b. Smooth-one-side (s1s)

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42
Q

Based on PAES 250:2011 Coconut Coir
Decorticator: What is the maximum noise to
be emitted by the coconut coir
decorticator?
a. 86 dB
b. 96 dB
c. 90 dB
d. 99 dB

A

b. 96 dB

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43
Q

Mechanical grain dryer wherein grain is
passed intermittently in cycles or stages
through a drying chamber either by
mechanical means or by gravity with
subsequent cooling and tempering until the
grain reaches the desired moisture content.
a. Grain dryer
b. Indirect-fired dryer
c. Heated-air mechanical grain dryer
d. Multi-pass dryer

A

d. Multi-pass dryer

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44
Q

Longitudinal bran layers remaining in
the dorsal grooves after milling.
a. Streaks
b. Fiber
c. Copra
d. NOTA

A

a. Streaks

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45
Q

Based on PAES 242:2010 Biomass Furnace:
What is the minimum heating system
efficiency of the furnace for indirect-
fired?
a. 80%
b. 75%
c. 70%
d. 50%

A

d. 50%

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46
Q

Type of centrifugal fan that has
single-thickness steel fan blade and can
handle contaminated air streams.
a. Centrifugal Fans with Radial Tip Blades
b. Centrifugal Fans with Forward-Curved Blades
c. Centrifugal Fans with Radial blades
d. Backward-Curved Blades

A

d. Backward-Curved Blades

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47
Q

Type of centrifugal fan that are rugged
and self-cleaning and have non-tangential
flow at the leading edge.
a. Centrifugal Fans with Forward-Curved Blades
b. Centrifugal Fans with Radial blades
c. Backward-Curved Blades
d. Backward-Inclined Blades

A

b. Centrifugal Fans with Radial blades

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48
Q

This type of fan is also known as
tubular centrifugal fan, in-line
centrifugal fan or mixed flow fan.
a. Propeller Fan
b. Axial-Centrifugal Fans
c. Vane-Axial Fan
d. Tube-Axial Fan

A

b. Axial-Centrifugal Fans

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49
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum total
machine loss?
a. 2.5%
b. 1.75%
c. 3.5%
d. 2.95%

A

c. 3.5%

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50
Q

In this type of fan, the air stream has
to make two 45 degrees turns before exiting
the fan housing.
a. Fan Wheel with Flat Back Plate
b. Fan with Conical Back Plate
c. Fan Wheel with Conical Back Plate
d. Fan with Flat Back Plate

A

c. Fan Wheel with Conical Back Plate

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51
Q

These types of fan have up blast, down
flow and radial discharge of air. This is
mainly use for exhausting and supplying air
from and into the building.
a. Fan with Conical Blowers
b. Cross-Flow Blowers
c. Vortex or Regenerative Blowers
d. Roof Ventilators

A

d. Roof Ventilators

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52
Q

Rice grain from which the hull, the
germ, the outer bran layer, and the greater
part of the inner bran layer have been
removed, but part of the lengthwise streaks
of the bran layer may still be present on
less than 15% of the sample grains.
a. Regular milled rice
b. Overmilled rice
c. Undermilled rice
d. Well-milled rice

A

d. Well-milled rice

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53
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the minimum purity with blower?
a. 88.0%
b. 95.0%
c. 98.0%
d. 90.0%

A

b. 95.0%

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54
Q

Part of the ear corn where the kernels
are attached.
a. Corn cob
b. Kernel
c. Corn ear
d. Whole kernels

A

a. Corn cob

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55
Q

Based on PAES 242:2010 Biomass Furnace:
What is the minimum furnace efficiency?
a. 80%
b. 75%
c. 65%
d. 50%

A

c. 65%

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56
Q

Machine used to remove the husk of corn
ear, detach, separate and clean the corn
kernels from the cobs in one operation.
a. Disc-type
b. Corn sheller
c. Hopper-fed type
d. Corn husker-sheller

A

d. Corn husker-sheller

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57
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum
mechanically damaged grain?
a. 2.0%
b. 0.75%
c. 2.5%
d. 2.95%

A

a. 2.0%

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58
Q

Type of shelling unit consisting of a
vertical disc with spiked surface.
a. Disc-type
b. Corn sheller
c. Hopper-fed type
d. Corn husker-sheller

A

a. Disc-type

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59
Q

Type of corn sheller wherein the ear
corn is fed into shelling chamber by
gravity.
a. Disc-type
b. Corn sheller
c. Hopper-fed type
d. Corn husker-sheller

A

c. Hopper-fed type

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60
Q

Based on PAES 212: 2004 Rice Reaper:
What is the minimum field efficiency?
a. 55%
b. 65%
c. 75%
d. 85%

A

b. 65%

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61
Q

Unbroken kernels after shelling
a. Corn ear
b. Kernel
c. Degerminated corn kernels
d. Whole kernels

A

d. Whole kernels

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62
Q

Wire mesh or perforated sheet metal
used to separate large and/or small
particles.
a. Aspirator
b. Degerminator
c. Oscillating screen
d. Laboratory sieve shaker

A

c. Oscillating screen

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63
Q

Refers to corn grit # 10, #12, #14,
#16, and # 18
a. Grit # 18
b. Grit # 20
c. Grit # 24
d. Main product

A

d. Main product

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64
Q

Dryer in which the material being dried
moves through the drying chamber in a
substantially continuous stream and is
discharged without being recirculated.
a. Concurrent flow type
b. Continuous flow dryer
c. Mixing type
d. Counter-flow type

A

b. Continuous flow dryer

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65
Q

Based on PAES 212: 2004 Rice Reaper:
The reaper shall be operated at what speed?
a. 3 kph to 5 kph
b. 5 kph to 6 kph
c. 3 kph to 4 kph
d. 2 kph to 3 kph

A

a. 3 kph to 5 kph

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66
Q

Continuous flow dryer wherein the flow
of air is transverse to the direction of
flow of the grain being dried.
a. Concurrent flow type
b. Continuous flow dryer
c. Cross-flow type
d. Non-mixing type

A

c. Cross-flow type

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67
Q

Dryer in which the products of
combustion come into direct contact with
the product being dried.
a. Indirect-fired dryer
b. Direct-fired dryer
c. Heated-air mechanical grain dryer
d. Multi-pass dryer

A

b. Direct-fired dryer

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68
Q

Dryer in which the products of
combustion do not come in contact with the
products being dried.
a. Grain dryer
b. Indirect-fired dryer
c. Direct-fired dryer
d. Heated-air mechanical grain dryer

A

b. Indirect-fired dryer

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69
Q

Device for removing excess moisture
from the grain, generally by forced or
natural convection with or without addition
of heat.
a. Grain dryer
b. Indirect-fired dryer
c. Heated-air mechanical grain dryer
d. Multi-pass dryer

A

a. Grain dryer

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70
Q

Based on PAES 250:2011 Coconut Coir
Decorticator: What is the peripheral speed
of the blades?
a. 5 m/s
b. 15 m/s
c. 35 m/s
d. 25 m/s

A

d. 25 m/s

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71
Q

Type of thresher wherein the panicles
of the cut plants are fed into the
threshing chamber while the stalks are
mechanically or manually held during the
threshing operation.
a. Mechanical rice thresher
b. Throw-in thresher
c. Axial flow thresher
d. Hold-on thresher

A

d. Hold-on thresher

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72
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the minimum purity with sieve?
a. 90.0%
b. 88.0%
c. 85.0%
d. 98.0%

A

c. 85.0%

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73
Q

Grains that was broken and/or dehulled
(partially or fully) as a result of
threshing operation.
a. Broken grains
b. Immature grain
c. Cracked grain
d. Mechanically damaged grain

A

d. Mechanically damaged grain

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74
Q

Ripened fruits of coffee shrubs.
a. Coffee cherry
b. Flute
c. Parchment
d. Pulp

A

a. Coffee cherry

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75
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum net
cracked grain?
a. 5.5%
b. 4.75%
c. 5.0%
d. 4.95%

A

c. 5.0%

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76
Q

Endocarp of the coffee cherry, lies
between the fleshy part (or pulp) of the
cherry and coffee bean.
a. Mucilage
b. Flute
c. Parchment
d. Pulp

A

c. Parchment

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77
Q

Long and slender natural filament of
abaca plant.
a. Mucilage
b. Abaca fiber
c. Abaca stalk
d. Pulp

A

b. Abaca fiber

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78
Q

Method that uses bolo to partially cut
(leaving the upper layer 1 mm to 2 mm thick
uncut) crosswise the middle of the inner
portion of the leaf sheath to be able to
extract the tuxie.
a. Bacnis method
b. Locnit method
c. AOTA
d. NOTA

A

a. Bacnis method

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79
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum noise
level?
a. 95 dB
b. 98 dB
c. 91 dB
d. 90 dB

A

a. 95 dB

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80
Q

Flexible machine element used to
transmit motion and power between two
shafts, the cross section of which is
shaped roughly like a regular trapezoid
outlined by the base, sides and top of the
belt.
a. Flat belt pulley
b. V-pulley
c. V-belt
d. Flat belt

A

c. V-belt

81
Q

Type of whitening machine consisting of
a ribbed cylinder enclosed in a perforated
steel housing.
a. Rubber roll type
b. Friction type
c. Abrasive type
d. Single-pass rice mill

A

b. Friction type

82
Q

Based on PAES 242:2010 Biomass Furnace:
What is the minimum burning efficiency of
the biomass furnace?
a. 80%
b. 95%
c. 70%
d. 50%

A

d. 50%

83
Q

Rice grain from which the hull, the
germ, and the bran layers have been
completely removed.
a. Regular milled rice
b. Overmilled rice
c. Undermilled rice
d. Brown rice

A

b. Overmilled rice

84
Q

Auxiliary device used to classify paddy
based on length and thickness.
a. Polisher
b. Paddy grader
c. Destoner
d. Whitener

A

b. Paddy grader

85
Q

Auxiliary device used to separate paddy
from brown rice.
a. Polisher
b. Paddy separator
c. Destoner
d. Whitener

A

b. Paddy separator

86
Q

Rice grain from which the hull, the
germ, the outer bran layer, and the greater
part of the inner bran layer have been
removed, but part of the lengthwise streaks
of the bran layer may still be present on
more than 40 % of the sample grains.
a. Regular milled rice
b. Overmilled rice
c. Undermilled rice
d. Well-milled rice

A

c. Undermilled rice

87
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum purity
without cleaning devices?
a. 87.0%
b. 85.0%
c. 89.0%
d. 80.0%

A

d. 80.0%

88
Q

Refers to corn grit # 20 and # 24,
floured corn, germ and bran.
a. Grit # 20
b. By-product
c. Grit # 24
d. Main product

A

b. By-product

89
Q

Milled corn kernels where the outer
covering and germs have been removed and
with particle size of not less than 0.86
mm.
a. Grit # 20
b. By-product
c. Corn grits
d. Main product

A

c. Corn grits

90
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the recommended
peripheral speed of the threshing drum?
a. 30 m/s
b. 20 m/s
c. 20 m/s to 30 m/s
d. NOTA

A

c. 20 m/s to 30 m/s

91
Q

Shallow bed batch type dryer wherein a
fixed volume of grain is held stationary in
a horizontal grain holding bin.
a. Flatbed type
b. Recirculating type
c. Columnar type
d. Recirculating type

A

c. Columnar type

92
Q

Device used to remove grain moisture by
forcing heated air through the grain mass
until the desired moisture content is
attained.
a. Grain dryer
b. Direct-fired dryer
c. Heated-air mechanical grain dryer
d. Multi-pass dryer

A

c. Heated-air mechanical grain dryer

93
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum scattering loss?
a. 1.5%
b. 0.95%
c. 0.75%
d. 0.5%

A

d. 0.5%

94
Q

Chamber wherein air pressure is
developed for uniform distribution of the
heated air through the grain mass.
a. Heat utilization
b. Airflow rate
c. Plenum
d. Moisture gradient

A

c. Plenum

95
Q

Based on PAES 252:2011 Coffee Pulper:
What is the maximum speed for the shaft of
the manual coffee pulper?
a. 30 rpm
b. 60 rpm
c. 120 rpm
d. 150 rpm

A

b. 60 rpm

96
Q

Volume of air in cubic meters delivered
to the mass of grains per second.
a. Heat utilization
b. Airflow rate
c. Plenum
d. Moisture gradient

A

b. Airflow rate

97
Q

Based on PAES 252:2011 Coffee Pulper:
What is the maximum separation loss?
a. 1%
b. 2%
c. 3%
d. 4%

A

a. 1%

98
Q

Grains which are heat damaged, weather
damaged, sprouted or distinctly damaged by
insects, water, fungi and/or any other
means.
a. Broken grains
b. Immature grain
c. Cracked grain
d. Damaged grain

A

d. Damaged grain

99
Q

Based on PAES 224: 2005 Rice Combine
(Circulated): What is the recommended reel
speed in percent that should be faster than
the ground speed?
a. 50 %
b. 25 %
c. 25 % to 50 %
d. NOTA

A

c. 25 % to 50 %

100
Q

Source of energy that includes non-
petroleum based fuels such as biomass and
solar energy.
a. Conventional energy source
b. Non–conventional energy source
c. Aota
d. Nota

A

b. Non–conventional energy source

101
Q

The part of the rotating shaft, axle,
roll or spindle that turns in a bearing.
a. Bolt
b. Journal bearing
c. Journal
d. Lubricant

A

c. Journal

102
Q

Based on PAES 248:2010 Fruit Dryer: What
is the maximum noise to be emitted by the
fruit dryer?
a. 92 dB
b. 99 dB
c. 86 dB
d. 97 dB

A

a. 92 dB

103
Q

An externally threaded fastener designed
for insertion through holes in assembled
parts, and normally tightened or released
by torquing a nut.
a. Bolt
b. Nut
c. Fastener
d. Lubricant

A

a. Bolt

104
Q

A block or sleeve having an internal
thread designed to assemble with the
external thread on a bolt, screw, stud or
other threaded part.
a. Nut
b. Fastener
c. Screw
d. Pitch

A

a. Nut

105
Q

Based on PAES 226: 2005 Agricultural
Machinery – Micromill: What is the minimum
milling recovery?
a. 50 %
b. 75 %
c. 90 %
d. 62%

A

d. 62%

106
Q

A headed pin of metal used for uniting
two or more pieces by passing the shank
through a hole in each piece and then by
beating or pressing down the plain end so
as to make a second head
a. Nut
b. Fastener
c. Screw
d. Rivet

A

d. Rivet

107
Q

Substances that cannot be melted and
remelted.
a. Polymer
b. Thermosets
c. Monomer
d. Covalent

A

b. Thermosets

108
Q

Based on PAES 242:2010 Biomass Furnace:
What is the minimum heating system
efficiency of the furnace for direct-fired?
a. 65%
b. 50%
c. 75%
d. 70%

A

a. 65%

109
Q

Surface of the plywood showing veneer
of higher grade than that of the back side
a. Exterior plywood
b. Face
c. Face-plywood
d. Fiberboard

A

b. Face

110
Q

Milled corn kernels with particle size
between 1.10 mm to 1.19 mm.
a. Grit # 10
b. Grit # 12
c. Grit # 14
d. Grit # 16

A

d. Grit # 16

Grit # 10 - 1.8 mm to 2.0 mm
Grit # 12 - 1.5 mm to 1.7 mm
Grit # 14 - 1.2 mm to 1.4 mm
Grit # 16 - 1.10 mm to 1.19 mm
Grit # 18 - 0.86 mm to 1.09 mm

111
Q

Machine used to remove the germ and
pericarp from the corn kernel.
a. Aspirator
b. Degerminator
c. Oscillating screen
d. Laboratory sieve shaker

A

b. Degerminator

112
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum unshelled loss?
a. 1.5%
b. 0.75%
c. 5%
d. 0.95%

A

c. 5%

113
Q

Process of reducing the corn kernels
into pieces of grits, germ and pericarp
with or without conditioning.
a. Degerminator
b. Dry milling
c. Oscillating screen
d. Laboratory sieve shaker

A

b. Dry milling

114
Q

Embryo of the kernel removed during the
degermination process.
a. Germ
b. Grit # 20
c. Main product
d. Floured corn

A

a. Germ

115
Q

Based on PAES 226: 2005 Agricultural
Machinery – Micromill: What is the maximum
noise level?
a. 99dB
b. 98dB
c. 91dB
d. 92dB

A

d. 92dB

116
Q

Grain which is heat damaged, weather
damaged, sprouted or distinctively damaged
by insects, water, fungi, and/or any means.
a. Broken grains
b. Immature grain
c. Cracked grain
d. Damaged grain

A

d. Damaged grain

117
Q

Classification system that indicates
the uniformity of grind in the resultant
product; sum of the weight fractions
retained above each sieve divided by 100.
a. Germ
b. Grit # 20
c. Main product
d. Fineness modulus

A

d. Fineness modulus

118
Q

Device use for grinding which is a
result of the impact between the particles
and hammers, which are mounted on a shaft
rotating along a horizontal axis.
a. Hammer mill
b. Degerminator
c. Roller mill
d. Rubber roll

A

a. Hammer mill

119
Q

Based on PAES 240:2010 Fans and
Blowers: In fan wheel with flat back plate,
how many degrees the air stream has to make
before exiting the fan housing?
a. one 90 degrees turns
b. two 90 degrees turns
c. three 90 degrees turns
d. half 90 degrees turns

A

b. two 90 degrees turns

120
Q

Cylindrical roll generally with
protrusions or flutes, used to gather,
compress and advance the crop into the
cutterhead.
a. Aspirator
b. Degerminator
c. Roller mill
d. Feedroll

A

d. Feedroll

121
Q

Forage chopper which uses a feeding
mechanism consisting of four or more feed
rolls to partially orient and advance the
crop at a consistent rate into the cutting
mechanism.
a. Forage chopper
b. Semi-precision-cut forage chopper
c. Precision-cut forage chopper
d. Throw-away type

A

c. Precision-cut forage chopper

122
Q

Based on PAES 226: 2005 Agricultural
Machinery – Micromill: What is the minimum
head rice?
a. 50 %
b. 25 %
c. 75%
d. 80%

A

a. 50 %

123
Q

Type of forage chopper where the
chopped materials are thrown away to the
front area of the machine.
a. Precision-cut forage chopper
b. Semi-precision-cut forage chopper
c. Random-cut forage chopper
d. Throw-away type

A

d. Throw-away type

124
Q

Mechanical device used for extracting
fibers by crushing, beating and scraping
actions effected by the rotating cylinder
with equally spaced blades and breaker or
scraper block the physical, chemical and
morphological properties of fibers
extracted.
a. Household model
b. Fiber decorticator
c. Village model
d. Micromill

A

b. Fiber decorticator

125
Q

Based on PAES 252:2011 Coffee Pulper:
What is the maximum scattering loss?
a. 0.1%
b. 0.3%
c. 0.5%
d. 0.7%

A

c. 0.5%

126
Q

Type of driving mechanism that directly
transfers energy or power from engine
crankshaft or motor shaft to the fan/blower
a. Variable Drive Fan/Blower
b. Axial-Flow Fans/Blowers
c. Belt-Drive Fan/Blower
d. Direct-Drive Fan/Blower

A

d. Direct-Drive Fan/Blower

127
Q

Fans that force the air to move
parallel to the shaft on which the fan
blades rotate.
a. Variable Drive Fan/Blower
b. Axial-Flow Fans/Blowers
c. Belt-Drive Fan/Blower
d. Direct-Drive Fan/Blower

A

b. Axial-Flow Fans/Blowers

128
Q

Based on PAES 226: 2005 Agricultural
Machinery – Micromill: What is the maximum
bran?
a. 50 %
b. 10 %
c. 90 %
d. 80%

A

b. 10 %

129
Q

Fans that are commonly used for
supplying cool air to certain processes and
exhausting hot or contaminated air and
corrosive gases in buildings.
a. Propeller Fan
b. Centrifugal Fans
c. Vane-Axial Fan
d. Tube-Axial Fan

A

a. Propeller Fan

130
Q

Fan that serves as exhausting material
from an inlet duct.
a. Propeller Fan
b. Centrifugal Fans
c. Vane-Axial Fan
d. Tube-Axial Fan

A

d. Tube-Axial Fan

131
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum separation loss?
a. 1.2%
b. 0.1%
c. 1%
d. 2%

A

c. 1%

132
Q

In this type of fan, the airflow passes
twice through a fan wheel with forward-
curved blades.
a. Fan with Conical Blowers
b. Cross-Flow Blowers
c. Vortex or Regenerative Blowers
d. Roof Ventilators

A

b. Cross-Flow Blowers

133
Q

Dehulled palay (husk/hull removed) with
the bran layer still intact.
a. Regular milled rice
b. Overmilled rice
c. Undermilled rice
d. Brown rice

A

d. Brown rice

134
Q

Conical structure or orifice rings that
are being used at the end of testing duct
of fan/blower to enable variation in air
volumetric flow rate.
a. Fan/blower
b. Static air power
c. Throttling device
d. Pitot tube

A

c. Throttling device

135
Q

Enclosed structure for intense heating
by fire using any biomass like woodchips,
corncobs and rice hulls as fuel.
a. Biomass furnace
b. Grate
c. Hearth
d. Workload

A

a. Biomass furnace

136
Q

Based on PAES 242:2010 Biomass Furnace:
What is the rice hull angle of repose?
a. 30°-36°
b. 30°-40°
c. 35°-50°
d. 35°-35°

A

c. 35°-50°

corncob - 30-36
rice hull - 35-50

137
Q

Materials to be processed (i.e. dried,
burned, melted, etc.) using biomass
furnace.
a. Biomass furnace
b. Grate
c. Hearth
d. Workload

A

d. Workload

138
Q

Flue gas and other products of
combustion go into the dryer.
a. Wet type biomass furnace indirect-
fired
b. Cyclonic direct-fired biomass
furnace
c. Direct-fired biomass furnace
d. Indirect-fired biomass furnace

A

c. Direct-fired biomass furnace

139
Q

Fine and powder-like particles
parenchymatous cells that are extracted
from the coconut husk.
a. Coconut husk
b. Coconut powder
c. Coconut peat
d. Coconut coir

A

c. Coconut peat

140
Q

Power transmission device used to
transmit power and motion between two
shafts consisting of flat belts which ride
in flat pulleys.
a. V-pulley drive
b. Flat belt drive
c. V-belt drive
d. Flat belt

A

b. Flat belt drive

141
Q

Keys with a tapered longitudinal
section.
a. Parallel keys
b. Flat belt keys
c. Taper keys
d. Woodruff keys

A

c. Taper keys

142
Q

Essentially a split and bolted sleeve
coupling, proportioned to clamp firmly on
the shafts
a. Clamp shaft coupling
b. Flange face coupling
c. Flexible couplings
d. Rubber-flexible coupling

A

a. Clamp shaft coupling

143
Q

Based on PAES 243: 2010 Biomass Furnace
– Methods of Test: What is the maximum
moisture content for rice hulls to meet the
efficient burning?
a. 7%
b. 12%
c. 14%
d. 13%

A

a. 7%

144
Q

Are designed to connect shafts which
are misaligned either laterally or
angularly.
a. Clamp shaft coupling
b. Flexible couplings
c. Rubber-flexible coupling
d. Rigid couplings

A

b. Flexible couplings

145
Q

Based on PAES 226: 2005 Agricultural
Machinery – Micromill: What is the maximum
broken grains?
a. 25 %
b. 50 %
c. 90 %
d. 80%

A

b. 50 %

146
Q

Are used to connect shafts with much
larger values of misalignment than can be
tolerated by the other types of flexible
couplings.
a. Clamp shaft coupling
b. Flange face coupling
c. Universal joint
d. Rubber-flexible coupling

A

c. Universal joint

147
Q

Chemical compound with higher molecular
weight consisting of a number of structural
units linked together by covalent bonds.
a. Polymer
b. Covalent
c. Copolymer
d. Monomer

A

a. Polymer

148
Q

Based on PAES 252:2011 Coffee Pulper:
What is the minimum purity?
a. 95%
b. 98%
c. 91%
d. 93%

A

b. 98%

149
Q

Substances that melt on heating and are
processes in this state by a variety of
extrusion and molding process.
a. Thermoplastic
b. Covalent
c. Copolymer
d. Monomer

A

a. Thermoplastic

150
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the maximum blower loss?
a. 0.5%
b. 1.5%
c. 2.5%
d. 3.5%

A

a. 0.5%

151
Q

Type of threshing cylinder wherein
threshing is done between bar-like
protrusions in parallel orientation laid on
the periphery of the cylinder and
stationary bars built into or attached to
the concave grate.
a. Peg-tooth cylinder
b. Threshing unit
c. Rasp-bar cylinder
d. Threshing element

A

c. Rasp-bar cylinder

152
Q

Based on PAES 228:2005 Agricultural
Machinery –Fiber Decorticator: What is the
minimum fiber recovery for abaca?
a. 3.37 %
b. 4.37 %
c. 1.9 %
d. 80%

A

a. 3.37 %

153
Q

Part of the threshing unit that rotates
about an axis and it is equipped with
either pegs, rasp bars, or wire loops on
its periphery.
a. Peg-tooth cylinder
b. Threshing unit
c. Through flow thresher
d. Threshing cylinder

A

d. Threshing cylinder

154
Q

Attachments of the threshing cylinder
such as pegtooth, wire-loop and rasp-bar
that detaches the grains from the panicles.
a. Peg-tooth cylinder
b. Threshing unit
c. Through flow thresher
d. Threshing element

A

d. Threshing element

155
Q

Based on PAES 256:2011 Corn Picker:
What is the minimum field efficiency?
a. 95%
b. 85%
c. 75%
d. 65%

A

d. 65%

156
Q

Type of threshing cylinder wherein
wires of the same arc and size are
attached.
a. Upper concave
b. Wire-loop cylinder
c. Rasp-bar cylinder
d. Lower concave

A

b. Wire-loop cylinder

157
Q

A semi-circular shaped grate at the
upper portion of the threshing cylinder
with louvers which assist threshing and
axial movement of the straw.
a. Upper concave
b. Wire-loop cylinder
c. Rasp-bar cylinder
d. Lower concave

A

a. Upper concave

158
Q

Bran outer layer of the brown rice
consisting of the aleurone cells covering
the endosperm of the rice grain.
a. Bran
b. Rice hull
c. Aota
d. Nota

A

a. Bran

159
Q

Grains obtained after the removal of
hull and bran.
a. Regular milled rice
b. Milled rice
c. Undermilled rice
d. Well-milled rice

A

b. Milled rice

160
Q

Rice mill that employs a series of two
or more whitening machines.
a. Rubber roll type
b. Friction type
c. Abrasive type
d. Multi-pass rice mill

A

d. Multi-pass rice mill

161
Q

Ratio of the weight of grains that do
not break in the process of milling and
with a size of three-fourth (3/4) or more
of the whole grain to the total weight of
milled rice, expressed in percent.
a. Percent regular milled rice
b. Percent head rice
c. Percent undermilled rice
d. Percent well-milled rice

A

b. Percent head rice

162
Q

Outermost rough covering of the palay
grain (palea and lemma) consisting of the
empty glumes, floral glumes, and awn.
a. Bran
b. Rice hull
c. Aota
d. Nota

A

b. Rice hull

163
Q

Based on PAES 242:2010 Biomass Furnace:
What is the corncob angle of repose?
a. 30°-40°
b. 35°-50°
c. 35°-35°
d. 30°-36°

A

d. 30°-36°

corncob - 30-36
rice hull - 35-50

164
Q

Type of rice mill using rubber roll
huller and utilizes friction and/or
combination of other types of whitener.
a. Rubber roll type
b. Friction type
c. Abrasive type
d. Single-pass rice mill

A

a. Rubber roll type

165
Q

Rice mill that employs only one
whitening machine.
a. Rice mill
b. Cone “cono” type
c. Abrasive type
d. Single-pass rice mill

A

d. Single-pass rice mill

166
Q

Component of a rice mill that removes
the bran layer in the brown rice.
a. Polisher
b. Paddy grader
c. Destoner
d. Whitener

A

d. Whitener

167
Q

Type of whitening machine consisting of
a cylinder or cone coated with abrasive
material such as emery stone or any similar
materials enclosed in a perforated steel
housing.
a. Rice mill
b. Cone “cono” type
c. Abrasive type
d. Single-pass rice mill

A

c. Abrasive type

168
Q

Based on PAES 244:2010 Biomass
Shredder: What is the maximum recommended
noise for biomass shredder?
a. 98 dB
b. 96 dB
c. 97 dB
d. 92 dB

A

b. 96 dB

169
Q

Milled corn kernels with particle size
between 1.2 mm to 1.4 mm
a. Grit # 10
b. Grit # 12
c. Grit # 14
d. Grit # 16

A

c. Grit # 14

170
Q

Based on PAES 228:2005 Agricultural
Machinery –Fiber Decorticator: What is the
minimum fiber recovery for banana?
a. 0.37 %
b. 1.37 %
c. 3.9 %
d. 0.59%

A

d. 0.59%

171
Q

Cleaner that uses air to separate lower
density material from the corn kernels/corn
grits such as floured corn, germ and bran.
a. Aspirator
b. Degerminator
c. Oscillating screen
d. Laboratory sieve shaker

A

a. Aspirator

172
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the minimum shelling recovery?
a. 97.0%
b. 95.0%
c. 99.0%
d. 93.0%

A

d. 93.0%

173
Q

Shelled corn kernels where the germ and
pericarp have been removed.
a. Corn ear
b. Kernel
c. Degerminated corn kernels
d. Whole kernels

A

c. Degerminated corn kernels

174
Q

Based on PAES 254:2011 Abaca Stripper:
What is the maximum stripping loss?
a. 20%
b. 40%
c. 60%
d. 80%

A

a. 20%

175
Q

Equipment with definite shaking motion
used to sort the size of the milled
materials using standard screen sieves.
a. Aspirator
b. Degerminator
c. Oscillating screen
d. Laboratory sieve shaker

A

d. Laboratory sieve shaker

176
Q

Rotating part of the chipping machine
that holds the cutting knives.
a. Chipping machine
b. Cutting disc
c. Header
d. Reel

A

b. Cutting disc

177
Q

Based on PAES 246:2010 Dehusked Corn
Dryer: What is the required airflow rate of
drying air for dehusked corn dryer?
a. 15 to 40 m3/min per cubic meter of
dehusked corn
b. 15 m3/min per cubic meter of
dehusked corn
c. 40 m3/min per cubic meter of
dehusked corn
d. 45 m3/min per cubic meter of
dehusked corn

A

a. 15 to 40 m3/min per cubic meter of
dehusked corn

178
Q

Portion of the combine comprising the
mechanism for gathering, and cutting,
stripping or picking the crop.
a. Chipping machine
b. Cutting disc
c. Header
d. Reel

A

c. Header

179
Q

Revolving slats or arms with battens
arranged parallel to the cutter bar to hold
the crop being cut by the knife and to push
and guide it to a conveyor platform or
feeder conveyor auger.
a. Chipping machine
b. Cutting disc
c. Header
d. Reel

A

d. Reel

180
Q

Mobile grain-harvesting machine for
cutting, picking, stripping or picking up
crop, threshing, separating, cleaning and
conveying grain into a grain hopper and
depositing harvest residue onto the ground.
a. Rice stripper
b. Rice combine
c. Rice reaper
d. Corn reaper

A

b. Rice combine

181
Q

Type of micromill with milling capacity
of 50 kg/h to less than 100 kg/h.
a. Household model
b. Fiber decorticator
c. Village model
d. Micromill

A

a. Household model

182
Q

Friction type rice mill performing
simultaneous hulling and whitening
operations and having a milling capacity of
50-250 kg/h.
a. Household model
b. Fiber decorticator
c. Village model
d. Micromill

A

d. Micromill

183
Q

Biomass fuels are fed on the combustion
chamber in cyclonic manner using a blower.
The biomass fuels in this type of furnace
are burned while in suspension.
a. Wet type biomass furnace indirect-
fired
b. Cyclonic direct-fired biomass
furnace
c. Dry type biomass furnace indirect-
fired
d. Indirect-fired biomass furnace

A

b. Cyclonic direct-fired biomass
furnace

184
Q

Indirect-fired biomass furnace this
type of biomass furnace shall use a heat
exchanger to prevent flue gas and other
products of combustion to go with the
drying air.
a. Wet type biomass furnace indirect-
fired
b. Cyclonic direct-fired biomass
furnace
c. Direct-fired biomass furnace
d. Indirect-fired biomass furnace

A

d. Indirect-fired biomass furnace

185
Q

Heat resisting lining of the furnace
using layer/s of fire bricks.
a. Monolithic lining
b. Concrete lining
c. Brick lining
d. Ceramic fiber lining

A

c. Brick lining

186
Q

Heat resisting lining of the furnace
using aggregates and bonding agent(s).
a. Monolithic lining
b. Concrete lining
c. Brick lining
d. Ceramic fiber lining

A

a. Monolithic lining

187
Q

Method that uses tuxying knife to
thrust one side of the leaf sheath and make
a cut between the upper and the inner
portions of the material to be able to
extract the tuxies.
a. Bacnis method
b. Locnit method
c. Tuxy
d. Tuxying

A

b. Locnit method

188
Q

Based on PAES 230: 2005 Coconut Oil
Expeller: What is the minimum percent crude
oil recovery of oil expeller?
a. 60%
b. 50%
c. 40%
d. 30%

A

a. 60%

189
Q

Separating the outer layer from inner
layer of leaf sheath which is at most 1.8
mm of abaca leaf sheath either by locnit
method (using tuxying knife) or bacnis
method (using bolo.
a. Bacnis method
b. Locnit method
c. Tuxy
d. Tuxying

A

d. Tuxying

190
Q

Based on PAES 218: 2004 Forage Chopper:
What is the required maximum noise level?
a. 99 dB
b. 92 dB
c. 96 dB
d. 90 dB

A

c. 96 dB

191
Q

Cylindrical gear whose tooth traces are
helices, it transmits rotational motion and
power between two parallel axes.
a. Helical gear
b. Taper gear
c. Spur gear
d. Bevel gears

A

a. Helical gear

192
Q

Based on PAES 228:2005 Agricultural
Machinery –Fiber Decorticator: What is the
minimum fiber recovery for maguey?
a. 2.97 %
b. 3.75 %
c. 1.9 %
d. 10%

A

b. 3.75 %

193
Q

Mechanical grain dryer wherein the
grain in fixed volume is held in the drying
chamber in batches until the grain reaches
the desired moisture content.
a. Flatbed type
b. Recirculating type
c. Batch type
d. Recirculating type

A

c. Batch type

194
Q

Based on PAES 220: 2004 Peanut Sheller:
What is the minimum shelling efficiency?
a. 95%
b. 91%
c. 99%
d. 92%

A

a. 95%

195
Q

Total amount of heat utilized to
vaporize moisture in the material,
expressed in kj/kg of h2o.
a. Heat utilization
b. Airflow rate
c. Plenum
d. Moisture gradient

A

a. Heat utilization

196
Q

Based on PAES 254:2011 Abaca Stripper:
What is the maximum noise level?
a. 92 dB
b. 99 dB
c. 96 dB
d. 97 dB

A

c. 96 dB

197
Q

Percentage of grains free of foreign
matter.
a. Broken grains
b. Immature grain
c. Purity
d. Damaged grain

A

c. Purity

198
Q

Machine used to remove the hull and
bran of the palay to produce milled rice
and consists mainly of hulling and
whitening assembly.
a. Rice mill
b. Cone “cono” type
c. Abrasive type
d. Single-pass rice mill

A

a. Rice mill

199
Q

Based on PAES 244:2010 Biomass
Shredder: What is the minimum shredding
efficiency?
a. 80%
b. 90%
c. 85%
d. 70%

A

b. 90%

PAES - CPU (5 decks)

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