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SSC JE 2019-20: Technical Quiz 10

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Question 1

The supply at three sources is 50, 40 and 60 units respectively whilst the demand at the four destinations is 20, 30, 10 and 50 units. In solving this transportation problem

Question 2

For a material the Bulk Modulus is 2.167 times the modulus of Rigidity. What is the poisson’s ratio of the material.

Question 3

Pressure angle

is an essential parameter while designing the cam profile. Which of the following definition is correct for pressure angle .

Question 4

In a simple impulse turbine the nozzle angle at the entrance is 30^o. For maximum diagram efficiency. The blade-speed ratio is
(Note :

)

Question 5

A pump, having an efficiency of 90%, lifts water to a height of 155m at the rate of 7.5 m³/s. The friction head loss in the pipe is 13m. The required pump power, in kW, will be

Question 6

A round billet made of brass is to be extruded (extrusion constant = 250 MPa) at 700 °C. The billet diameter is 100 mm and the diameter after the extrusion is 50 mm. The extrusion force

Question 7

Match the following

Question 8

A carnot cycle refrigerator ‘A’ operates between 500K and 900K, whereas a carnot cycle refrigerator ‘B’ operates between 300K and 500K. Find out the ratio of coefficient of performance of A to B

Question 9

A Bi-molecular gas expanding in a piston cylinder arrangements, following pv^1.3= constant. If the heat transfer absorbed during this polytropic process is 100kW then the amount of the work done by the gas will be

Question 10

In similitude with gravity force, where equality of Froude number exists, the velocity ratio becomes

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ESE & GATE ME General

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