BELONIO PT.6 Flashcards
Paint that is most suitable for
metals.
a. Latex paint
b. Enamel paint
c. Acrylic paint
d. None of the above
c. Acrylic paint
Which is the following is used for
acrylic paint?
a. Paint thinner
b. Lacquer thinner
c. Primer epoxy
d. None of the above
d. None of the above
A coating material to protect metal
from rusting.
a. Primer epoxy
b. Red oxide
c. Red lead
d. All of the above
d. All of the above
When a machine is driven directly
from the shaft of a power, the
power source is transmitted using
a. Gear drive
b. Sprocket and chain drive
c. Direct drive
d. None of the above
AOTA
Belt size designation for agricultural
V-belt is
a. A, B, C, D, E
b. HA, HB, HC, HD, HE
c. AA, BB, CC, DD, EE
d. None of the above
b. HA, HB, HC, HD, HE
It is a gripping device between
power sources.
a. Clutch
b. Chain
c. Springs
d. None of the above
a. Clutch
A machine elements that transmits
torque and power.
a. Pulley
b. Bearing
c. Shaft
d. None of the above
c. Shaft
It is used to fasten shafts, pulleys,
and hubs of gears together.
a. Bolt
b. Springs
c. Keys
d. None of the above
c. Keys
A universal joint is
a. A connector which can be used on all brands of tractor
b. Used to transmit power between two intersecting shafts usually when the angle between them is variable
c. A prohibited drug used universally
d. None of the above
b. Used to transmit power between two intersecting shafts usually when the angle between them is variable
The length of chain usually
expressed in
a. Inches
b. Meters
c. Pitches
d. None of the above
a. Inches
A device usually used to connect to
shafts on a direct drive system.
a. Clutch
b. Coupler
c. Pulley
d. None of the above
b. Coupler
Warranty of parts and services for
heated-air mechanical grain dryer
based on PAE Standards is within___
after the acceptance of the machine.
a. 6 months
b. 12 months
c. 18 months
d. 24 months
e. None of the above
b. 12 months
It is the ratio of the heat released
by the fuel heated air mechanically
dryer to the theoretical heat
available from the fuel.
a. Burner efficiency
b. Furnace efficiency
c. Combustion efficiency
d. None of the above
c. Combustion efficiency
In testing agricultural machines as
prescribed in the PAES standard of
the, it should be operated by_____.
a. Farmers
b. Traders/cooperatives
c. Manufacturer(s) representatives
d. Accredited testing organization
e. None of the above
c. Manufacturer(s) representatives
Holding capacity of the mechanical
dryer testing as prescribed by PAES
should be based on the ___ and other
accompanying information such as
moisture content and purity.
a. Volume
b. Weight
c. Density
d. None of the above
b. Weight
Milling test of samples during the test of mechanical grain dryer based on PAES standard test should be conducted at
least ___after drying test.
a. 24 hours
b. 48 hours
c. 36 hours
d. None of the above
b. 48 hours
Thermometer sensors during
testing of agricultural machines
should be partially shielded to
minimize ___.
a. Mechanical damage of thermometer sensor
b. Error from heat of radiation effect
c. Error from conduction of heat from wall of the machine
d. None of the above
b. Error from heat of radiation effect
The minimum number of trial(s)
required in testing heated air
mechanical grain dryer as specified
in PAES.
a. One
b. Two
c. Three
d. None of the above
b. Two
Time interval of measurement of
test parameters in heated air
mechanical dryer as specified in
the PAES Test Method .
a. 15 minutes
b. 30 minutes
c. 45 minutes
d. 60 minutes
b. 30 minutes
Commonly used threshing cylinder
for axial flow rice thresher.
a. Peg tooth
b. Rasp bar
c. Wire loop
d. None of the above
a. Peg tooth
The shaft rpm of the rice thresher
will need to be ___ if the diameter
of the threshing cylinder is reduced.
a. Increased
b. Reduced
c. Remain the same
d. None of the above
a. Increased
Warranty of the construction and
durability of the mechanical rice
thresher according to PAES standard
shall be within ___after the purchase of
the machine.
a. 6 months
b. 12 months
c. 18 months
d. 24 months
e. None of the above
a. 6 months
All rotating parts of the agricultural
machines as provided in the PAES
should be
a. Rigid
b. Dynamically balanced
c. Uniform in speed
d. None of the above
b. Dynamically balanced
Which of the following parts are treated to
be dangerous as stated in PAES for
ensuring safety in agricultural machinery?
a. Pulleys
b. Clutches
c. Coupling
d. All of the above
d. All of the above
Recommended material in the
manufacture of pin sleeve and hitch
pin for walking type power tiller.
a. Mild steel
b. Cold rolled steel
c. Spring steel
d. None of the above
b. Cold rolled steel
A centrifugal pump that develop a vacuum sufficient enough for atmospheric pressure to force the liquid through the suction pipes into the pump casing without initially feeding the pump to create suction.
a. Pressure pump
b. Self priming pump
c. Mixed flow pump
d. None of the above
a. Pressure pump
A type of pump which develops
most of the suction and discharge
head by propelling or lifting action
of the impeller vanes on the water.
a. Axial-flow pump
b. Centrifugal pump
c. Mixed flow pump
d. None of the above
a. Axial-flow pump
It is the formation of the void spaces filled with water vapor due to local pressure drop and collapse as soon as the vapor bubbles reach regions of high
pressures.
a. Water hammer
b. Cavitations
c. Bubbling
d. None of the above
b. Cavitations
A type of pump with vanes or impellers rotating inside a close housing which draws water in to the pump through a central inlet
opening and forces the water out through a discharge outlet at the periphery of the
housing.
a. Axial-flow pump
b. Centrifugal pump
c. Mixed flow pump
d. None of the above
b. Centrifugal pump
A type of pump which combines some of the feature of both the centrifugal and axial-flow pump and in which head is developed partly by the centrifugal force and partially by the lift of the vanes on the water.
a. Self priming pump
b. Diffuser type centrifugal pump
c. Mixed flow pump
d. None of the above
c. Mixed flow pump
This represents the
interrelationship between capacity,
head power, NPSH, and the
efficiency of the pump.
a. Pump characteristics
b. Performance curve
c. Pump laws
d. None of the above
b. Performance curve
It is the filling up of water in the
pump to evacuate the entrapped air through a vent and create a liquid seal inside the casing.
a. Feeding
b. Recharging
c. Priming
d. None of the above
c. Priming
The cylinder diameter of
mechanical rice thresher is
measured distance from _____?
a. The base of the threshing element passing through the shaft axis
b. The tip of the threshing element passing
through the shaft axis
c. The outlet of the cylinder cover
d. None of the above
a. The base of the threshing element passing through the shaft axis
The maximum moisture content of
the grain to be used for testing
mechanical thresher should be
more than ____.
a. 18 %
b. 24 %
c. 28 %
d. None of the above
b. 24 %
The grain straw ratio for samples to be
used for testing rice thresher should not
at a ranged of _____.
a. 0.35 to 5.0
b. 0.50 to 0.65
c. 0.65 to 0.85
d. None of the above
b. 0.50 to 0.65
The minimum number of hours
required in testing the rice thresher
based on PAES is
a. 0.5 hour
b. 1 hour
c. 2 hours
d. None of the above
c. 2 hours
When do you want to diagnose
ignition and other electrical
problems of an engine, a typical
instrument to be used is
a. Compression tester
b. Oscilloscope
c. Dynamometer
d. None of the above
b. Oscilloscope
Engine power performance is
measured using
a. Compression tester
b. Oscilloscope
c. Dynamometer
d. None of the above
c. Dynamometer
It is the device used to measure the
state of battery charge of an engine.
a. Tachometer
b. Hydrometer
c. Ohmmeter
d. None of the above
b. Hydrometer
Gasoline engine power output can
be increased by
a. Increasing the compression ratio
b. Increasing the fuel feeding
c. Reducing the load of the engine
d. None of the above
a. Increasing the compression ratio
A small mechanical blower installed in an engine to increase power output by forcing fuel charge under pressure in the cylinder.
a. Super charger
b. Soot blower
c. High pressure blower
d. None of the above
a. Super charger
It is a measure of the area in cubic inches above the piston when it is at a top of its stroke, compared to the area above the piston when it is at a bottom stroke.
a. Piston displacement
b. Compression ratio
c. Clearance volume
d. None of the above
b. Compression ratio
The compression ratio of an engine can be increased by
a. Installing connecting rod of greater length
b. Installing high dome piston
c. Installing crankshaft which has a crank pin throw of greater length
d. None of the above
d. None of the above
Air-fuel ratio for combustion for
gasoline engine.
a. 10 to 1
b. 15 to 1
c. 20 to 1
d. None of the above
d. None of the above
Premature explosion in the cylinder
of a gasoline engine during the
exhaust stroke.
a. Backlash
b. Backfire
c. Back pressure
d. None of the above
b. Backfire
A switching device of high voltage
current in multiple cylinder engine
which breaks primarily and
secondary circuits.
a. Distributor
b. Contact point
c. Relay
d. None of the above
a. Distributor
It refers to any ring or washer
providing a packing or seal
between metal surface of an
engine.
a. Oil ring
b. Grease
c. Gasket
d. None of the above
c. Gasket
It is the setting to give high voltage
current to the spark plug in relation
to the movement and position of
the piston.
a. Idling
b. Ignition timing
c. Engine timing
d. None of the above
b. Ignition timing
Ignition of combustion of fuel not at
the proper time.
a. Backfiring
b. Misfiring
c. Detonation
d. None of the above
b. Misfiring
A condition whereby the engine on its operation has abnormally increased its temperature due to faulty cooling, lubricating and other mechanical trouble.
a. Backfiring
b. Overheating
c. Misfiring
d. None of the above
b. Overheating
Air-fuel ratio of an engine under
idling condition.
a. 11 – 12.5 to 1
b. 12.5 – 13.5 to 1
c. 13.5 – 17.5 to 1
d. None of the above
a. 11 – 12.5 to 1
Abnormal rapid combustion occurring simultaneously with abnormal combustion manifested by loss of power, over heating, rough operation, and sharp ringing sound called engine
knock.
a. Backfiring
b. Misfiring
c. Detonation
d. None of the above
c. Detonation
Air-fuel ratio of engine at full load
a. 11 – 12.5 to 1
b. 12.5 – 13.5 to 1
c. 13.5 – 17.5 to 1
d. None of the above
b. 12.5 – 13.5 to 1
Recommended engine spark plug
gap clearance.
a. 0.02 in. and below
b. 0.02 to 0.04 in.
c. 0.04 to 0.06 in.
d. None of the above
a. 0.02 in. and below
General rule for piston to cylinder
wall clearance.
a. 0.001 in. for every inch diameter of the piston
b. 0.002 in. for every inch diameter of the piston
c. 0.003 in. for every inch diameter of the piston
d. None of the above
a. 0.001 in. for every inch diameter of the piston
Recommended gap or clearance of
the contact point of engine.
a. 0.01 to 0.02 in.
b. 0.02 to 0.035 in.
c. 0.035 to 0.045 in.
d. None of the above
a. 0.01 to 0.02 in.
Resurfacing or replacing of cylinder
head is done when ___ of its full
length is warped.
a. 0.01 to 0.015 in.
b. 0.015 to 0.02 in.
c. 0.02 in. and above
d. None of the above
c. 0.02 in. and above
