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ESE 2022 ME - Technical Quiz 19

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Question 1

Which one of the following statements is correct for reciprocating air compressor?

Question 2

A circular object of radius r rolls without slipping on a horizontal level floor with the center having velocity V. The velocity at the point of contact between the object and the floor is

Question 3

A room contains 35 kg of dry air and 0.5 kg of water vapor. The total pressure and temperature of air in the room are 100 kPa and 25 °C respectively. Given that the saturation pressure for water at 25 °C is 3.17 kPa, the relative humidity of the air in the room is

Question 4

Minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is

Question 5

In a spring-mass system, the mass is m and the spring constant is k. The critical damping coefficient of the system is 0.1 kg/s. In another spring-mass system, the mass is 2m and the spring constant is 8k. The critical damping coefficient (in kg/s) of this system is _________

Question 6

In order to have maximum power from a Pelton turbine, the bucket speed must be ________.

Question 7

In a manufacturing plant, the probability of making a defective bolt is 0.1. The mean and standard deviation of defective bolts in a total of 900 bolts are respectively

Question 8

The operation in which oil is permeated into the pores of a powder metallurgy product is known as ______.

Question 9

If the temperature of the sun is doubled, the rate of energy received on earth will be increased by a factor of

Question 10

If the ratio of the length of a connecting rod to the crank radius increases then
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