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1311.

In rubber roll huller breakage is:

A.	Less	B.	More
C.	No breakage	D.	None of these

1312.

In rubber roll huller the rubber rolls turn at:

A.	Same speed	B.	Different speed and different directions
C.	Air to grain	D.	All are correct

1313.

In forced air-dring method the moisture moves from:

A.	Grain to air	B.	Centre to grain surface
C.	Air to grain	D.	All are correct

1314.

The drying process involves:

A.	Heat transfer	B.	Mass transfer
C.	Heat and mass transfer	D.	None of these

1315.

In thin layer drying, the depth of grain layer should be:

A.	20 cm	B.	Less than 20 cm
C.	More than 20 cm	D.	None of these

1316.

Thing layer drying includes:

A.	Batch type dryer	B.	LSU dryer
C.	Flat bed dryer	D.	All are correct

1317.

Deep bed drying includes:

A.	Baffle dryer	B.	Batch dryer
C.	LSU dryer	D.	None of these

1318.

In deep bed drying, the depth of grain layer is:

A.	10 cm	B.	20 cm
C.	Less than 20 cm	D.	More than 20 cm

1319.

A sack dryer is suitable for drying:

A.	Small quantity of grain	B.	Large quantity of grain
C.	Any quantity of grain	D.	None of these

1320.

For air-drying the recommended normal air temperature is:

A.	30-40?C	B.	40-50?C
C.	50-60?C	D.	60-65?C