Chapter 10

Question 1

is the process of removing the excess moisture
from the product that is above its equilibrium moisture
content by applying heat from combustible fuel to
minimize deterioration.

Answer 1

Drying

Question 2

is a machining process
that involves grinding, cleaning, tempering or crushing
into constituents.

Answer 2

Milling

Question 3

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

Answer 3

batch type

Question 4

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

Answer 4

flat-bed type

Question 5

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

Answer 5

recirculating type

Question 6

grains which show signs of fissures or
fractures or splinters

Answer 6

cracked grain

Question 7

unshelled fruit of the corn plant where husk
has been removed

Answer 7

dehusked corn / ear corn / corn on cob

Question 8

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

Answer 8

dryer, direct-fired

Question 9

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

Answer 9

dryer, indirect-fired

Question 10

heat utilization efficiency
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

Answer 10

drying efficiency

Question 11

device for reducing excess moisture from the
grain, with or without introduction of heat

Answer 11

grain dryer

Question 12

grain or a piece of a grain with the length equal
to or greater than three-fourths (3/4) of the
average length of the whole kernel

Answer 12

head rice

Question 13

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

Answer 13

heated-air mechanical grain dryer

Question 14

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

Answer 14

heating system efficiency

Question 15

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

Answer 15

moisture gradient

Question 16

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

Answer 16

tempering bin

Question 17

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

Answer 17

plenum

Question 18

any device that is used to avoid human
accident related to drying operation
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 18

safety device