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SSC JE 2019-20 Technical Quiz 16

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Question 1

An orthogonal machining operation is to be performed having depth of cut of 2 mm and feed rate of 2.6 mm/rev. if the spindle is rotating at a speed of 26 m/sec. find the power ( in kW) required at the motor for such application assuming no power loss during transmission. The material strength is 12 Mpa

Question 2

In a concentric spring of same length the ratio of the outer spring diameter to the inner spring diameter is 2 and assume the same spring index, the ratio of the outer spring force to the inner spring force is

Question 3

Which of the following boiler accessories utilizes the waste heat of flue gases to heat the feed water?

Question 4

For a rake angle of zero degree, the given cutting force= 500 N and thrust force = 400 N. What is the value of normal force(in N )on the tool rake face?

Question 5

Determine the resistance coefficient of the venturimeter, if the Actual and Theoretical discharges are 10.2 m³/s and 10.86 m³/s respectively.

Question 6

Which of the following shows the range of poisson’s ratio for isotropic elastic solid ______.

Question 7

Which dimensionless number does not depend on flow parameters

Question 8

When two gears are mating each other then which of the following statement about gearing profile is TRUE

Question 9

Choose the wrong statement about the regenerative vapour power cycle employing bled steam form feed water heating:

Question 10

Figure below shows, a reversible heat engine interacting with 3 thermal reservoirs. Then thermal efficiency of heat engine

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ESE & GATE ME General

Apr 22ESE & GATE ME