M

Mr. Dubey • 52.30K Points
Coach 

Q. Low thermal conductivity of heat insulating materials is due to its

(A) Dense structure
(B) High proportion of air space
(C) High specific heat
(D) None of these
Correct : Option (B)

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. Compressed air is required in diesel engine power plants mainly for

Q. Which stage of vehicle emission norms presently applicable in India in Internal Combustion Engine?

Q. Which type of motion is possible in polar coordinate robots?

Q. At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.

Q. Humidity ratio is given by the ratio of

Q. A round billet made of 70-30 brass is extruded at a temperature of 675°C. The billet diameter is 125 mm, and the diameter of the extrusion is 50 m

Q. Which of the following is not a rare and precious metal?

Q. Rotary pumps are driven by

Q. For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has

Q. Which of the following may be used to measure the rate of nuclear disintegration?