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SSC JE 2018 -19 Technical Quiz 97

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Question 1

A spring of stiffness 3kNm is initially stretched by 5cm. Later on the spring is further stretched by 10cm. What is the work done in stretching?

Question 2

The difference between the time available to do a job and the time required to do the job, is known as

Question 3

A three stage reciprocating compressor has suction pressure of 1 bar delivery pressure of 27 bar for minimum work of compression, the delivery pressure of first state is

Question 4

Some high speed steels have cobalt (Co) added to them in amounts ranging from 2 to 15%, since this element improves the _________.

Question 5

Which of the following statement is correct regarding Clausius statement of second law of thermodynamics __________.

Question 6

In EDM process, the electrode is submerged in

Question 7

A Carnot refrigerator operating between 27oC and 127oC. Its Coefficient of Performance is

Question 8

If pb is barometric pressure, ps is partial pressure of saturated air, pv is partial pressure of water vapor, pd pressure at DBT, pw pressure at WBT, μ is degree of saturation, then the expression for relative humidity is given by __________.

Question 9

Which of the following instrument is used to measure the frequency of vibration?

Question 10

A side and face cutter 125 mm diameter having 10 teeth. If operates at a cutting speed of 10 m/min with a table transverse 100 mm/min. The feed per tooth of the cutter is.
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