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ESE 2022 ME - Technical Quiz 25

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Question 1

When can a Piezometer not be used for pressure measurement in pipes ?

Question 2

Anti-friction bearings are ______.

Question 3

The maximum and minimum speed of a governor is 30 rad/s and 10 rad/s. Its sensitivity is ________.

Question 4

A two-cylinder two-stroke have bore and stroke 300 mm and 500 mm respectively, Find the mean piston speed in meter per second at 300 rpm ______.

Question 5

The efficiency of superheat Rankine cycle is higher than that of simple Rankine cycle because _______.

Question 6

During solidification of a pure molten metal, the grains in the casting near the mould wall are _______.

Question 7

A smaller sphere (1) of radius 50 mm is inside a larger sphere (2) of radius 100 mm. What will be the value of the radiation shape factor F22:

Question 8

Which one of the following statements is not correct?

Question 9

In a balanced counter flow heat exchanger with , the NTU is equal to 1.0. What is the effectiveness of the heat exchanger?

Question 10

A metal rod is rigidity fixed at its both ends. The temperature of the rod is increased by 100 °C. If the coefficient of linear expansion and elastic modulus of the metal rod 10×10-6/ °C and 200Gpa respectively, then what is the stress produced in the rod?
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