Chemical Engineering Basics MCQs

Question 1

Which of the following is the largest quantum of pressure?

Accepted Answer

1 atmosphere

Answer

1 kg/cm2

Answer

1 bar

Answer

1 kilo Pascal

Question 2

Which of the following contains the least percentage of carbon ?

Accepted Answer

Wrought iron

Answer

Pig iron

Answer

Cast iron

Answer

Malleable iron

Question 3

Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

Accepted Answer

Stainless steel

Answer

Admirability brass

Answer

Aluminium brass

Answer

Titanium

Question 4

The main constituent of bones is

Accepted Answer

Ca3(PO4)2

Answer

CaF2

Answer

CaCO3

Answer

CaCl2

Question 5

The tensile load-elongation curve of a metal does not describe

Accepted Answer

Anisotropy index

Answer

Work hardening

Answer

Yield stress

Answer

Necking strain

Question 6

Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when

Accepted Answer

Strain rate is increased

Answer

Grain size is increased

Answer

Prior cold deformation is increased

Answer

Not affected by any of the above parameters

Question 7

The order of a chemical reaction

Accepted Answer

Can be determined from the stoichiometry of the reaction

Answer

Can be determined only experimentally

Answer

Can not be zero

Answer

Can be fractional

Question 8

Fibre reinforced plastic (FRP) are

Accepted Answer

Both B and C

Answer

Made of glass fibre and thermoplastic resins

Answer

Anisotropic

Answer

Made of thermosetting resin and glass fibre

Question 9

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

Accepted Answer

Working

Answer

Bearing

Answer

Yield

Answer

None of these