ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 21


There are fourteen atoms in a unit cell of

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 22


An alloy of copper, tin and zinc is known as

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 23


Cast iron and steel pipes are produced by

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 24


Electron beam welding can be carried out in

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 25


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

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 26


For a Newtonian fluid

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - 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

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 28


Pitot tube is used for measurement of

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - Question 29


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

Video Solution

ISRO Scientist or Engineer Refrigeration & Air-Conditioning 2017 - 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
cracku

Boost your Prep!

Download App