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ESE Prelims 2022 Achievers Quiz 23

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Question 1

A heat engine is supplied with 250 kJ/s of heat at a constant fixed temperature of

; the heat is rejected at

, the cycle is reversible, then the amount of heat rejected is______.

Question 2

The three way catalytic converter cannot control which one of the following?

Question 3

Beams of uniform strength vary in section such that

Question 4

The temperature of solid surface changes from 27 °C to 627 °C. The emissive power changes would then confirm to the ratio ________.

Question 5

In gas welding , oxidizing flame is define as the welding process in which the ratio of oxygen is more than acetylene that comes out from torch of the welding machine and is generally use to weld which material _________.

Question 6

Change in enthalpy in a closed system is equal to the heat transfer, if the reversible process takes place at constant_______.

Question 7

The bending moment diagram of a cantilever beam subjected to bending moment at the end will be

Question 8

The submerged body will be in stable equilibrium if the centre of buoyancy B

Question 9

The depth of centre of pressure of a rectangular lamina immersed vertically in water up to a height h is given by

Question 10

In an orthogonal cutting operation, the depth of cut is 0.30 mm and the chip thickness is 0.75 mm. If the cutting speed is 3 m/s, calculate the chip velocity _______.

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ESE & GATE ME General

Feb 11ESE & GATE ME