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ESE 2022 ME - Technical Quiz 17

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Question 1

It the surface tension of water in contact with air is 0.075 N/m. what correction need to be applied to compensate capillary rise in the manometric reading in tube of 4 mm diameter ________.

Question 2

Find the increase in pressure required to produce 1 percent reduction in volume of water. Take bulk modulus of elasticity of water K = 2.16GPa

Question 3

Match List-I (Cycle) with List-II (Equipment) and select the correct answer using the code given below the lists.
List-I
A. Air refrigeration
B. Vapour Compression refrigeration
C. Vapour absorption refrigeration
D. Steam jet refrigeration
List-II
(1). Absorber
(2). Flash chamber
(3). Turbine
(4). Compressor

Question 4

The Centroid of the given figure is

Question 5

The coordinate of centroid of shaped area is

Question 6

For a spring mass system with a dashpot, if a force of 49 N on the dashpot produces a velocity of 0.12 m/s, (mass =10 kg and spring constant =300 N/m) find the damping factor

Question 7

For air-conditioning applications having capacity of more than 200 TR, the recommended compressor is:

Question 8

Mohr’s circle for a state of stress(MPa) given below. What is the center and radius of the circle?

Question 9

Mohr’s circle for the state of stress defined by

MPa. What is the radius of a circle __________.

Question 10

A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6 kN/m and the damping constant of the damper is 400 Ns/m. If the mass is 50 kg, then the damping factor (D) and damped natural frequency (f_n), respectively, are

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ESE & GATE ME General

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