Chemical Engineering Basics MCQs

Question 1

Pick the odd man out.

Accepted Answer

Parkerizing

Answer

Austempering

Answer

Martempering

Answer

Cyniding

Question 2

Piezoelectric is a material

Accepted Answer

Which gets polarised, when stressed

Answer

Whose properties is midway between the constituent materials

Answer

In which magnetising force reduces when current flowing through it is in-cresed

Answer

Which changes dimensions due to applied field

Question 3

Pig iron is

Accepted Answer

The one, which comes out of the blast furnace

Answer

Made from cast iron

Answer

Made from wrought iron

Answer

Free from impurities

Question 4

Pig iron is a product of

Accepted Answer

Blast furnace

Answer

Electric arc furnace

Answer

Cupola

Answer

Open hearth furnace

Question 5

An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

Accepted Answer

Isothermal

Answer

Adiabatic

Answer

Isentropic

Answer

Isochoric

Question 6

Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.

Accepted Answer

Rankine

Answer

Joule

Answer

Carnot

Answer

Brayton

Question 7

Plasma is

Accepted Answer

Nothing but ionised gas

Answer

A high temperature neutral gas

Answer

A source of steady and highest controllable pressure

Answer

Formed at very low temperature

Question 8

An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is

Accepted Answer

Wood

Answer

Stainless steel

Answer

Cast iron

Answer

Teflon

Question 9

The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.

Accepted Answer

0.2

Answer

0.4

Answer

0.6

Answer

0.8