CHEMICAL ENGINEERING Archives | Page 367 of 371

In chemical dehumidification process___________________?

August 20, 2021February 7, 2019 by admin

In chemical dehumidification process___________________?

A. Wet bulb temperature increases
B. Dry bulb temperature remains constant
C. Dew point temperature increases
D. Dry bulb temperature increases

August 20, 2021February 7, 2019 by admin

Shaft/rotor speed is most accurately measured by a_________________?

A. Frequency counter
B. Tachometer
C. Strobometer
D. Speedometer

August 20, 2021February 7, 2019 by admin

Factor of safety is the ratio of the ___________________ stress to the working stress?

A. Tensile
B. Compressive
C. Yield
D. Bearing

August 20, 2021February 7, 2019 by admin

The escape velocity of a body on earth which is independent of its mass is about ______________________ km/second?

A. 3
B. 7
C. 11
D. 15

August 20, 2021February 7, 2019 by admin

Magnetic permeability of iron is increased by its_____________________?

A. Decarburising
B. Alloying with cobalt
C. Purification
D. Alternate heating & cooling

August 20, 2021February 7, 2019 by admin

The main reducing agent in iron blast furnace is____________________?

A. Carbon dioxide
B. Carbon monoxide
C. Oxygen
D. Air

August 20, 2021February 7, 2019 by admin

Broaching tools are usually made of____________________?

A. Cermets
B. High speed steel
C. Tungsten carbide
D. Stellite

August 20, 2021February 7, 2019 by admin

Temper brittleness of a material can be fairly detected by the ________________ test ?

A. Fatigue
B. Notched bar impact
C. Tensile
D. Hardness

August 20, 2021February 7, 2019 by admin

There are one octahedral void and ______________ tetrahedral void in the closest packing of atoms ?

A. One
B. Two
C. Three
D. None of these

August 20, 2021February 7, 2019 by admin

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water) ?

A. Aluminium
B. Copper
C. Titanium
D. Stainless steel