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UP Polytechnic Lecturer: Mechanical Quiz 16

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Question 1

Energy is ____ conserved and exergy is ____ conserved.

Question 2

Following figure represents the stress strain curve for a ductile materials.

Point F represents _______.

Question 3

Shape of woodruff key is like

Question 4

The temperature at which the black body emission becomes maximum corresponding to a wavelength of 8μm is __________.

Question 5

A hole is of dimension

and the corresponding shaft is dimension

, When they are assembled they will from a

Question 6

Modulus of rigidity is the ratio of ________.

Question 7

In case of dynamic analysis of single slider crank chain, radial thrust to the crankshaft bearing is given by_____.

where F is the piston effort and

and

are the angles made by the connecting rod and the crank with the line of sliding of the slider respectively

Question 8

In case of USM, with increasing mean grain diameter of the abrasive materials, MRR would __________.

Question 9

Bornoulli’s equation represent the law of conservation of _________.

Question 10

The concept of measuring thermodynamic property of temperature is given by

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Oct 25AE & JE Exams