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ESE ME 2021 : Technical Quiz-17

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Question 1

The output of a diesel engine can be increased without increasing the engine revolution or size in following way.

Question 2

In a two-stage compressor with ideal intercooling, for the work requirement to be minimum, the intermediate pressure p in terms of condenser and evaporator pressure p and p respectively is

Question 3

The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as

Question 4

For the same maximum temperature in the cycle, the average temperature of heat addition
of a Rankine cycle compared to that of Carnot cycle is

Question 5

The ___________ is a dimensionless quantity used in Transient heat transfer calculations.

Question 6

The following list of statements is given:

1) Grashoff’s rule states that for a planar crank-rocker 4-bar mechanism, the sum of the shortest and longest link lengths cannot be less than the sum of the remaining two link lengths.

2) Inversions of a mechanism are created by fixing different links, one at a time.

3) Geneva mechanism is an intermittent motion device.

4) Gruebler’s criterion assumes mobility of a planar mechanism to be one.

The number of correct statements in the above list is

Question 7

The number of links in a planar mechanism with revolute joints having 10 instantaneous centres is ________.

Question 8

For which surfaces, spirit level is used for testing straightness?

Question 9

Strain energy stored in a body of volume V subjected to uniform stress

is:

Question 10

Determine the type of friction acting on the block having mass 2kg and the force applied in it 5N, if the coefficient of friction between the block and the surface is 0.3.
Take g= 10m/s²

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ESE & GATE ME General

Nov 8ESE & GATE ME