Heated Air Mechanical Dryer

Question 1

Heating system Efficiency of Petroleum based fuel direct-fired

Answer 1

90

Question 2

Heating system Efficiency of Petroleum based fuel indirect-fired

Answer 2

75

Question 3

Heating system Efficiency of biomass fuel direct-fired

Answer 3

65

Question 4

Heating system Efficiency of biomass fuel indirect-fired

Answer 4

50

Question 5

Chamber wherein the grains are temporarily held after drying chamber or to the storge bin

Answer 5

Tempering bin

Question 6

Grains which shows signs of fissures or fractures or splinters

Answer 6

Cracked grains

Question 7

Mechanical grain dryer wherein the grain is held stationary in a horizontal grain holding bin

Answer 7

Batch type

Question 8

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

Answer 8

Flat bed type

Question 9

Batch type dryer equipped tp circulate and/or mix fixed amount of grain during the drying operation

Answer 9

Recirculating type

Question 10

Organic material used as renewable source of energy.

Answer 10

Biomass

Question 11

Pieces of grains smaller than 3/4 of the average length of the whole kernel.

Answer 11

Broken grains

Question 12

Dryer in which the material being dried moves through the drying chamber in a substantially continous stream and is discharged without being recirculated and where the drying and tempering processes are accomplished in another holding bin or column

Answer 12

Continous flow dryer

Question 13

Unshelled fruit of the corn plant where husk has been removed

Answer 13

Dehusked corn/ ear corn/ Corn on Cob

Question 14

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

Answer 14

Moisture gradient

Question 15

Chamber maintained under pressure for uniform distribution of the heated air through the grain mass

Answer 15

Plenum

Question 16

Any device that is used to avoid human accident related to drying operation and/or damage to the parts and components of the dryer duing the operation and automatically shuts off the operation of the dryer in case of malfunction

Answer 16

Safety device

Question 17

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

Answer 17

Drying efficiency

Question 18

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

Answer 18

Fan

Question 19

Grain or a piece of a grain with the length equal to or greater than 3/4 of the average length of the whole kernel

Answer 19

Head rice

Question 20

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

Answer 20

Heated air mechanical grain dryer

Question 21

Ratio of the amount of heat added in the air to the heat available in the fuel

Answer 21

Heating system efficiency

Question 22

Chamber wherein the grains are temporarily held after drying or to the storage bin

Answer 22

Tempering bin

Question 23

Maximum percent moisture gradient for batch type dryer

Answer 23

4.0

Question 24

Maximum percent moisture gradient for recirculating type dryer

Answer 24

2.0

Question 25

Drying efficiency of the dryer

Answer 25

75

Question 26

Maximum drying loss/spillage

Answer 26

1.0

Question 27

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

Answer 27

92 dB

Question 28

Drying rate, %/h (Batch type - Rice)

Answer 28

0.8

Question 29

Drying rate, %/h (Continuous flow - Rice)

Answer 29

1.0

Question 30

Drying rate, %/h (Shelled Corn)

Answer 30

2.0

Question 31

Drying rate, %/h (Corn Ear)

Answer 31

0.4