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SSC JE 2019 - 20 Technical Quiz 56

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Question 1

In a piston-cylinder arrangement addition of energy and movement of piston is such that the product PV remains constant. The initial pressure is 200 kPa and volume is 2 m3. If the final pressure is 100 kPa, then work done by the gas on piston (in kJ) for this arrangement is

Question 2

The process of super-heating in a refrigeration cycle

Question 3

Cochran boiler is a __________.

Question 4

A block whose mass is 650 gm is fastened to a spring of spring constant K equals 65 N/m whose other end is fixed. The block is pulled a distance x = 11 cm from its equilibrium position at x = 0 on a smooth surface, and released from rest at t=0. The maximum speed ‘S ’ of the oscillating

Question 5

A body which is at 400K emits radiation of wavelength 7.24 μm. If the body is heated from a source for 15 minutes & the temperature of the body reaches to 927°C. What will be the wavelength of the radiation emitted by the body __________.

Question 6

Which of the following criteria, is suitable for ductile materials?

Question 7

The clearance in blanking operation, is provided

Question 8

Modulus of resilience is _________.

Question 9

Determine the number of Degrees of freedom (DOF) for a mechanism of planar linkage with nine simple revolute joints & eight links?

Question 10

In process charts, the symbol used for inspection is __________.
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