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UP Polytechnic Lecturer: Mechanical Quiz 29

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Question 1

Moment of Inertia of a triangular section of base a and height h about an axis passing through its centre of gravity and parallel to base is

Question 2

Water at ambient temperature flows through the horizontal pipe of uniform of cross-section. It the pressure drop across the pipe increase. The power required to pump the water across the pipe will be

Question 3

Consider two bodies, one is white polished, the other is a black body. The emissivity of the white polished body will be ________ that of the black body.

Question 4

Hand lapping is used mainly for

Question 5

The value of change in length for a rod due to change in temperature is given by

Question 6

________ is an inversion of Double slider crank chain.

Question 7

Kelvin’s temperature scale is based on

Question 8

In simple tensile test, when maximum principle stress reaches the value of yield point, the material subjected to complex stresses fail. This theory is called as

Question 9

Work done in an open system for an adiabatic process is given by

Question 10

According to total strain energy theory, the condition for safe design for bi-axial state of stress is given by

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AE & JE Exams Mechanical Engineering

Nov 12AE & JE Exams