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AAI Technical Mini Mock-2

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Question 1

The amount of heat conducted across unit area and thickness per unit time 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.

Question 8

The relationship between Modulus of elasticity (E) and Modulus of rigidity (G) is.

Question 9

Coriolis component of acceleration is always _____.

Question 10

When are shock waves formed in air compressor?

Question 11

For diesel engine, the method of governing employed is

Question 12

When machinery a hard and brittle metal like cast iron, the type of chips produced is

Question 13

The process in which the material removal rate is governed by Faraday law is:

Question 14

High specific speed of turbine implies that it is ___________.

Question 15

Electrode gets consumed in the following welding process _______.

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