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UP Polytechnic Lecturer: Mechanical Quiz 28

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Question 1

Component of outlet velocity in direction of jet in curved vane is (-VCosθ). What does ‘θ’ indicate?

Question 2

The equation

holds good for

Question 3

Torsion bars are in parallel

Question 4

The motion of a particle is defined by the relation x=(5t²/2) - 20t+10, where x and t are expressed in meters and seconds respectively. The position x of the particle at zero velocity is-

Question 5

A long helical spring having a spring stiffness of 10 kN/m and number of turns 20, breaks into two parts of the resultant stiffness spring will be.

Question 6

Basic shaft and basic hole are those whose upper deviations and lower deviations respectively are

Question 7

In a single slider crank mechanism, obliquity ratio is given by

Question 8

Mean rate of consumption during lead time (R) multiplied by mean lead time (L) is equal to

Question 9

Which cycle is used in pulse jet engine?

Question 10

The dimension of kinematic viscosity (v) is

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AE & JE Exams Mechanical Engineering

Nov 11AE & JE Exams