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PAES 200 SERIES > 201 - 209 > Flashcards

201 - 209 Flashcards

stopped at 25

1
Q

. Mechanical grain dryer wherein the grain in fixed amount is held in the drying chamber in batches until the grain reaches the desired moisture content.

A

BATCH TYPE

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2
Q

Batch type dryer wherein a fixed amount of grain is held stationary in a horizontal grain holding bin.

A

FLAT BED TYPE

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3
Q

batch type dryer equipped to circulate and/or mixed fixed volume of grain during the drying
operation

A

recirculating type

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4
Q

batch type dryer wherein a fixed volume of grain is held stationary in a vertical grain holding
bin

A

vertical bin type

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5
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

continuous flow dryer

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6
Q

continuous flow dryer wherein the product being dried moves in the same direction as drying
air

A

concurrent flow type

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7
Q

continuous flow dryer wherein the grain being dried move in one direction and the drying air
moves in the opposite direction

A

counter-flow type

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8
Q

continuous flow dryer wherein the flow of air is transverse to the direction of flow of the
grain being dried

A

cross-flow type

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9
Q

continuous flow dryer wherein the drying bin is similar to columnar drying bin except that it
includes louvers causing mixing to occur as the grain flows through the system

A

mixing type

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10
Q

continuous flow dryer wherein the grains in the drying bin flows through the column in a
straight path

A

non-mixing type

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11
Q

grains which show signs of fissures or fractures or splinters

A

cracked grain

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12
Q

dryer in which the products of combustion come into direct contact with the product being
dried

A

dryer, direct-fired

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13
Q

dryer in which the products of combustion do not come in contact with the products being
dried

A

dryer, indirect-fired

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14
Q

ratio of the total heat utilized to vaporize moisture in the material, to the amount of heat
added to the drying air expressed in percent

A

drying efficiency / heat utilization efficiency

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15
Q

device used to collect dust ( i.e. consist of aspiration fan, cyclone, etc.)

A

dust collecting system

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16
Q

air moving device that is used to force heated air through the mass of grains at the desired air
flow rate and pressure

A

fan

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17
Q

device for removing excess moisture from the grain, generally by forced or natural
convection with or without addition of heat

A

grain dryer

18
Q

grain or a fraction of grain with its length equal to or greater than eight-tenth (8/10) of the
average length of the whole grain

A

head rice

19
Q

device used to remove grain moisture by forcing heated air through the grain mass until the
desired moisture content is attained

A

heated-air mechanical grain dryer

20
Q

product of combustion efficiency and burner/furnace efficiency

A

heating system efficiency

21
Q

difference between the maximum and the minimum grain moisture content randomly sampled
after drying

A

moisture gradient

22
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

multi-pass dryer

23
Q

chamber wherein air pressure is developed for uniform distribution of the heated air through
the grain mass

A

plenum

24
Q

any device that is used to avoid human accident and/or damage to the parts and components
of the dryer during the operation and automatically shuts-off the operation of the dryer in
case of malfunction

A

safety device

25
Q

What is the maximum moisture gradient for rice in a recirculation type of grain dryer?

A

2.%

26
Q

The noise emitted by the heated-air mechanical grain dryer shall not exceed ….

A

92 dB.

27
Q

Average temperature of the air to be used for drying the grain, measured at a number of points as close as practicable to its entry to the grain bed.

A

DRYING AIR TEMPERATURE

28
Q

Volume of air in cubic meters delivered to the mass of grains per second.

A

AIRFLOW RATE

29
Q

Kernels, whole or broken, which are light green and chalky with soft texture.

A

IMMATURE GRAINS

30
Q

Pressure in the plenum chamber to maintain uniform distribution of air flow through the grain mass, expressed in Pascal.

A

STATIC PRESSURE

31
Q

Milling test of the samples obtained during drying test shall be conducted at least —– hours after the drying test while air-dried samples shall be milled when its moisture content reaches —–

A

48 hrs and 14 %

32
Q

The grain to be used shall be homogeneous and the moisture content should be at least—– for rice and corn.

A

22%

33
Q

Amount of moisture in the grain expressed as percentage of the total weight of the sample, wet basis.

A

MOISTURE CONTENT

34
Q

Formula in getting the percentage of wet basis for moisture content of the rice grain.

A

(MO-MI)/MO X 100=MCWB

35
Q

Total amount of fuel consumed divided by the total drying time.

A

FUEL CONSUMPTION

36
Q

Type of shelling unit consisting of a cylinder with shelling elements such as knife bar or pegtooth.

A

CYLINDER TYPE

37
Q

Machine used to detach, separate and clean the corn kernels from the cobs.

A

CORN SHELLER

38
Q

Difference between the percent cracked sample taken before and after the shelling operation.

A

¬NET CRACKED KERNEL .

39
Q

Electric motor, a gasoline or diesel fed engine used to run the sheller.

A

PRIMEMOVER

40
Q

For uniform result of output due to variation in kernel moisture content and purity, the output capacity shall be corrected at —–purity and _____moisture content.

A

100% and 20%

41
Q

Ratio of the weight of clean corn kernels, to the total weight of unclean corn kernels sample, expressed in percent.

A

PURITY

PAES 200 SERIES (5 decks)

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