Chemical Engineering Basics MCQs

Question 1

Flywheel is provided in a machine to

Accepted Answer

Smoothen the power impluses

Answer

Provide structural strength to the shaft

Answer

Help in quick starting of the machine

Answer

None of these

Question 2

Material of construction of the electrode used in the electric resistance welding is

Accepted Answer

Copper

Answer

Stainless steel

Answer

Graphite

Answer

Steel

Question 3

Silicon percentage in silicon steel used for electrical equipments is about

Accepted Answer

4

Answer

1

Answer

8

Answer

14

Question 4

Faraday's law of electrolysis is related to the

Accepted Answer

Equivalent mass of the electrolyte

Answer

Cation speed

Answer

Atomic number of the cation

Answer

None of these

Question 5

Stellite is a trade name for the

Accepted Answer

Non-ferrous cast alloys

Answer

Cermets

Answer

Ferrous cast alloys

Answer

Products made by powder metallurgy techniques

Question 6

Which of the following transducers is most commonly used for the measurement of shock and vibration ?

Accepted Answer

Accelerometer

Answer

Linear variable differential transducer (LVDT)

Answer

Dial gauge

Answer

None of these

Question 7

In chemical dehumidification of air

Accepted Answer

Specific humidity decreases & dry bulb temperature increases

Answer

Both specific humidity & dry bulb temperature increases

Answer

Both specific humidity & dry bulb temperature decreases

Answer

Specific humidity increases & dry bulb temperature decreases

Question 8

Liquid nitrogen containers can be made from

Accepted Answer

HSLA steel

Answer

Ferritic stainless steel

Answer

Titanium

Answer

Austenitic stainless steel

Question 9

According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

Accepted Answer

180°

Answer

212°

Answer

32°

Answer

273°