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1491.

After pre-treatment (pulse with oil) the pulses are kept on floors for oil diffusion for about:

A.	6 hours	B.	8 hours
C.	12 hours	D.	16 hours

1492.

In dry milling process, the following operations are done prior to oil treatment is:

A.	Conditioning	B.	Pitting
C.	Polishing	D.	Grading

1493.

The amount of heat required to raise the temperature of a given mass substance by unit is:

A.	Thermal conductivity	B.	Specific heat
C.	Heat capacity	D.	None of these

1494.

The number of holes per square inch in a 20-mesh screen will be:

A.	20	B.	400
C.	800	D.	1600

1495.

One tone of refrigeration implies the colling effect equal to:

A.	144 BTU/sec	B.	200 BTU/sec
C.	60 kcal/min	D.	120 kcal/min

1496.

Percentage of germ in rice, is about:

A.	1?2	B.	2?3
C.	3-4.5	D.	4?5

1497.

Percentage of bran in paddy:

A.	2.40%	B.	4.60%
C.	6.80%	D.	8.10%

1498.

Shedding and shattering losses of grain in the field can be considerably reduced by harvesting paddy at moisture content of:

A.	14-16%	B.	16-18%
C.	18-23%	D.	23-25%

1499.

Rice yield can be increased with improved mechanical drying method by:

A.	1%	B.	1.50%
C.	2%	D.	3%

1500.

Rice yield can increased due to improved mining equipments by:

A.	1-2%	B.	2-3%
C.	3-4%	D.	4-5%