Dehusked Corn Dryer PAES 246-247:2010

Question 1

unshelled fruit of the corn plant where the husk has been removed mechanically or manually

Answer 1

dehusked corn, ear corn, corn-on-cob

Question 2

refers to the leafy outer/protective covering of an ear of corn as it grows on the plant

Answer 2

husk

Question 3

corn dryer device for removing excess moisture from the ear of corn without husk, generally by forced or natural convection with or without addition of heat

Answer 3

dehusked

Question 4

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

Answer 4

fan, blower

Question 5

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

Answer 5

moisture gradient

Question 6

chamber wherein air pressure is developed for uniform distribution of the heated air through the material to be dried

Answer 6

plenum

Question 7

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

Answer 7

safety device

Question 8

Mechanical dryer wherein the corn in fixed volume is held in the drying chamber in batches until it reaches the desired moisture conten

Answer 8

Batch type

Question 9

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

Answer 9

Direct

Question 10

Dryer in which the products of combustion do not come in contact with the products being dried. This type enables the use of heat exchanger.

Answer 10

Indirect

Question 11

Source of energy which includes petroleum-based fuels such as kerosene, gasoline, Diesel oil and bunker fuel oil.

Answer 11

Conventional

Question 12

Source of energy that includes non-petroleum fuels such as biomass fuel.

Answer 12

Non-conventional

Question 13

Flooring of the dryer shall be rigid of sufficient thickness to be able to support the maximum weight of dehusked corns to be dried. It shall have ____perforations.

Answer 13

5 mm

Question 14

The drying bed or floor shall have angle of inclination depending on the angle of repose of dehusked corn for ____ ease of discharging

Answer 14

(19°-22°)

Question 15

Airflow rate of drying air for dehusked corn dryer shall be _____ of dehusked corn.

Answer 15

15 to 40 m3/min per cubic meter

Question 16

The moisture content reduction rate shall be at least ____

Answer 16

0.25% per hour

Question 17

The noise emitted by the blower of the dryer shall not exceed _____.

Answer 17

92 dB(A).

Question 18

volume of air in cubic meters delivered to the mass of dehusked corn per minute

Answer 18

airflow rate

Question 19

corn kernels which are heat damaged, weather damaged, sprouted or distinctly damaged by insects, water, fungi and/or any other means

Answer 19

damaged kernels

Question 20

mean temperature of the air to be used for drying the dehusked corn, measured at a number of points practicably as close to its entry to the drying bed

Answer 20

drying air temperature

Question 21

maximum capacity that the dehusked corn dryer can dry to meet the desired moisture content

Answer 21

drying capacity

Question 22

total amount of fuel consumed divided by the total drying time, expressed in kg/h

Answer 22

fuel consumption

Question 23

product of combustion efficiency and burner/furnace efficiency; the ratio of heat supplied to the dryer and the heat available from the fuel used, expressed in percent

Answer 23

heating system efficiency

Question 24

weight of dehusked corn required to fill the dryer at the input moisture content

Answer 24

holding capacity load capacity

Question 25

rate ratio of the average percent moisture content removed from the dehusked corn to drying time, expressed in percent per hour

Answer 25

moisture reduction

Question 26

pressure build-up in the plenum chamber to maintain uniform dustribution of air flow through the dehusked corn mass, expressed in mmH2O

Answer 26

static pressure