Engineering :: Heat Transfer

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191.

The process of removal of oil from oil cakes is known as

A.	Leaching	B.	Decoction
C.	Osmosis	D.	Soret effect

192.

Radio active nuclear waste is treated in

A.	Pulsed column extractor	B.	Mixer settler extractor
C.	Sieve plate extraction column	D.	Bollman extractor
E.	None of the above

193.

A wet solid is to be dried from 80% to 50% moisture (on wet basis). Calculate the moisture to be evaporated for 10 tonns of dried product?

194.

Emissivity and absorptivity of a surface are equal for radiation

A.	in ultraviolet region	B.	infrared region
C.	with equal temperature and wavelength	D.	in radio frequency range

195.

A grey body has emissivity

A.	more than 1	B.	1
C.	less than 1	D.	0.5

196.

The dimensions of specific heat are

A.	LT?2	B.	LT-1?-1
C.	LT-2?	D.	LT-2?-1

197.

The dimensions of thermal conductivity are

A.	MLT?3	B.	MLT2 ?2
C.	MLT-3 ?-1	D.	ML-1T2 ?

198.

A prototype is

A.	a geometrical similar model on reduced scale	B.	a dynamically similar model on reduced scale
C.	a kinematically similar model on reduced scale	D.	a full size structure employed in actual engineering design

199.

If in a system ratios of the velocity and acceleration of the homologous particles are equal, the similarity being considered is

A.	geometric similarity	B.	kinematic similarity
C.	thermal similarity	D.	dynamic similarity

200.

Dynamic similarity refers to the similarity of

A.	masses and forces	B.	velocity and acceleration
C.	physical dimensions	D.	temperature and heat flux