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1341.

Geometrical mean diameter of particles are known as:

A.	Specific diameter	B.	Equivalent diameter
C.	Geometric diameter	D.	None of these

1342.

Specific gravity of grains is determined by:

A.	Pycnometer	B.	Specific gravity bottle
C.	Both (a) and (b)	D.	None of these

1343.

The density of wheat is about:

A.	850-100 kg/m3	B.	998-1238 kg/m3
C.	1150-1300 kg/m3	D.	1200-1450 kg/m3

1344.

Terminal velocity of wheat grain is:

A.	8-10 m/s	B.	9-11.5 m/s
C.	10-12.5 m/s	D.	10-13 m/s

1345.

The frictional force acting between the surfaces of contact at rest with respect to each other is called:

A.	Dynamic friction	B.	Static friction
C.	Kinetic friction	D.	None of these

1346.

The friction forces existing between the surfaces in relative motion is called:

A.	Static friction	B.	Coefficient of friction
C.	Kinetic friction	D.	Angle of internal friction

1347.

Angle of repose for paddy ranges between:

A.	25-30 degree	B.	30-40 degree
C.	30-45 degree	D.	35-50 degree

1348.

The value of angle of repose for wheat is between:

A.	18-23 degree	B.	23-28 degree
C.	28-33 degree	D.	33-38 degree

1349.

The value of angle of repose for millets is about:

A.	15-20 degree	B.	20-25 degree
C.	25-30 degree	D.	30-35 degree

1350.

The amount of heat in kilocalorie the must be added to or removed from one kg of substances to change its temperature by one degree is:

A.	Latent heat	B.	Specific heat
C.	Enthalpy	D.	Entropy