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AAI Technical Rapid Quiz-4

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Question 1

The amount of heat conducted across unit area and thickness when a temperature difference of one kelvin is due to thermal conductivity: True or false.

Question 2

A beam of uniform strength is to be produced for a special purpose of application. But the section of the beam needs to be varied, and this could be achieved by;

Question 3

The effect of increasing the stiffness of springs of centrifugal clutch is___.

Question 4

Hot rolling of mild steel is carried out

Question 5

Stainless steel contains ________.

Question 6

Air is throttled from 3 bar and 600 K to 1.5 bar pressure. Entropy change of the gas is _________kJ/kg-K (Assume air as an ideal gas).

Question 7

The emissive power of a blackbody is P. If its absolute temperature is doubled, the emissive power becomes.
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