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GATE 2022 Rapid Revision Quiz 11

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Question 1

Anti-friction bearings are ______.

Question 2

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

Question 3

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 4

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

Question 5

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

Question 6

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 7

Which one of the following governors is used to drive a gramophone?

Question 8

In a fatigue loading test, the amplitude ratio is denoted by

. Let R denote the stress ratio for the condition. The correct relation between

and R is :

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Jan 26ESE & GATE ME