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SSC JE 2019 - 20 Technical Quiz 55

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Question 1

Heat pump is a device which ________.

Question 2

The evaporator used in normal household refrigerators is _______.

Question 3

The compressors used in gas turbine are typically of which type?

Question 4

Lewis number is a dimensionless number defined as the ratio of

Question 5

PDSA is expanded as ____________

Question 6

In the expression of dynamic load capacity P=XVF_r + YF_a, V stands for ?

Question 7

In Ultrasonic machining, the material removes from the workpiece by

Question 8

The impregnation is defined as

Question 9

The value of damping ratio in a system with viscous damping is 0.60. What is the ratio of damped frequency to the natural frequency __________?

Question 10

For the given load vs. deflection curve,

What is the ratio of toughness to proof resilience?

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Jul 12ESE & GATE ME