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GATE 2022 Rapid Revision Quiz 16

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Question 1

Permanent deformation of material with respect to time due to constant load and variable temperature is known as _________.

Question 2

In case of steady uniform laminar flow through pipes,Discharge (Q) is equal to

Question 3

1.5kW work input per ton of refrigeration is required to maintain the temperature of -40oC in the refrigerator. Find COP of the cycle when the heat extracted from refrigerated space is 3.516kW

Question 4

In a multiplate clutch, the ration of plates on driver to that of the driven shaft is 2  while their difference is 2. The number of pairs of friction surface in contact is?

Question 5

Under certain cutting conditions, doubling the cutting speed reduces the tool life to of the original. Taylor’s tool life index (n) for this tool-work piece combination will be __________.

Question 6

A thin cylindrical pressure vessel with closed-ends is subjected to internal pressure. The ratio of circumferential (hoop) stress to the longitudinal stress is

Question 7

Which micrometer is used for measuring the span between the teeth of a gear?

Question 8

Sphere 1 with a diameter of 0.1 m is completely enclosed by another sphere 2 of diameter 0.4 m. The view factor F12 is _________.
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