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SSC JE 2019 - 20 Technical Quiz 57

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Question 1

Hermetic compressors were developed to:

Question 2

What safety device is used to protect the boiler when the water level falls below a minimum level?

Question 3

Two particles with masses in the ratio 1:4 are moving with equal kinetic energies. The magnitude of their linear momentums will conform to the ratio

Question 4

An inward flow reaction turbine has external and internal diameters 1.5 m and 0.5 m. The turbine runs at 250 rpm. The flow velocity in the runner is constant and equal 2.5 m/s. The guide blades make an angle of 45

to the tangent of wheel and the outlet discharge is purely radial. The absolute velocity of water at inlet in m/s is:

Question 5

Which of the following Metal has Maximum Thermal conductivity?

Question 6

Centrifugal Tension in belts is

Question 7

In a hole-shaft assembly, size of the hole is 20 ± 0.03 mm. The basic size of shaft is 19.50 mm. if the maximum interference in this assembly is 5 μm, what will be the upper deviation of the shaft __________(in μm)?

Question 8

A thin cylindrical shell of diameter (d), length(l) and thickness (t) is subjected to an internal pressure(p).The ratio of the longitudinal strain to hoop strain is _______.

Question 9

The spring constant for a Hartnell governor is given as:

Question 10

The main advantage of line organization is its

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ESE & GATE ME General

Jul 12ESE & GATE ME