[Download PDF] ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 Paper with Solutions

Instructions

For the following questions answer them individually

Question 21

There are fourteen atoms in a unit cell of

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Question 22

An alloy of copper, tin and zinc is known as

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Question 23

Cast iron and steel pipes are produced by

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Question 24

Electron beam welding can be carried out in

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Question 25

The welding process used to join ends of two pipes of uniform cross section is

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Question 26

For a Newtonian fluid

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Question 27

Oil in a hydraulic cylinder is compressed from an initial volume 2 m$$^3$$ to 1.96 m$$^3$$ and the pressure increase is from 40 MPa to 80 MPa. The bulk modulus of elasticity of oil is

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Question 28

Pitot tube is used for measurement of

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Question 29

For laminar flow through a long pipe, the pressure drop per unit length is

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Question 30

Oil flows through 200 mm diameter horizontal cast iron pipe with friction factor of 0.0225 of length 500 mtr. The volumetric flow rate is 0.2 m$$^3$$/sec. The head loss in mtr.
due to friction will be

Video Solution

CAT Content

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

There are fourteen atoms in a unit cell of

An alloy of copper, tin and zinc is known as

Cast iron and steel pipes are produced by

Electron beam welding can be carried out in

The welding process used to join ends of two pipes of uniform cross section is

For a Newtonian fluid

Oil in a hydraulic cylinder is compressed from an initial volume 2 m$$^3$$ to 1.96 m$$^3$$ and the pressure increase is from 40 MPa to 80 MPa. The bulk modulus of elasticity of oil is

Pitot tube is used for measurement of

For laminar flow through a long pipe, the pressure drop per unit length is

Oil flows through 200 mm diameter horizontal cast iron pipe with friction factor of 0.0225 of length 500 mtr. The volumetric flow rate is 0.2 m$$^3$$/sec. The head loss in mtr.due to friction will be

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Oil flows through 200 mm diameter horizontal cast iron pipe with friction factor of 0.0225 of length 500 mtr. The volumetric flow rate is 0.2 m$$^3$$/sec. The head loss in mtr.
due to friction will be