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SSC-JE - ME : Technical Quiz-8

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Question 1

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 2

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

Question 3

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

Question 4

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 5

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

Question 6

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 :

Question 7

If one end of a hinged column is made fixed and the other end of the hinged is made free, how much is the critical load compared to the original value?

Question 8

An ideal gas at 27⁰C is heated at constant pressure till the volume becomes three times. The temperature of the gas will then be___.

Question 9

A composite wall of a furnace has 2 layers of equal thickness have thermal conductivities in the ratio of 3 : 2. What is the ratio of the temperature drop across the two layers?

Question 10

The ratio of the static enthalpy rise in the rotor to the static enthalpy rise in the stage of an axial flow compressor defined as

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AE & JE Exams Mechanical Engineering

Mar 11AE & JE Exams