Chemical Engineering Basics MCQs

Question 1

Pick out the wrong statement.

Accepted Answer

A small scale industry is the one, which has a minimum capital investment of Rs. 50 lakhs and maximum 100 lakhs

Answer

Partnership is suitable for medium size business

Answer

A certain minimum of subscription of capital is required for legally starting a business in a Public Limited Joint Stock Company

Answer

Public Limited Joint Stock Company is legally bound to issue prospectus after registration

Question 2

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

Accepted Answer

Intensive oxidation

Answer

Burning

Answer

Evaporation

Answer

None of these

Question 3

Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.

Accepted Answer

Iron - constantan

Answer

Chromel - alumel

Answer

Platinum - platinum + rhodium

Answer

Copper-constantan

Question 4

__________ property of a material is determined by the Herbert Pendulum device.

Accepted Answer

Hardness

Answer

Tensile

Answer

Toughness

Answer

Compressive

Question 5

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Accepted Answer

Spherical

Answer

Nodular

Answer

Irregular

Answer

No preferred shape

Question 6

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

Accepted Answer

Low impact strength

Answer

High flexibility

Answer

Better finish and surface appearance

Answer

High plastic deformation

Question 7

Enzymes belong to the category of

Accepted Answer

Proteins

Answer

Carbohydrates

Answer

Vitamins

Answer

Fats

Question 8

Dryness fraction of dry steam is

Accepted Answer

1

Answer

0

Answer

$$\infty $$

Answer

0.5

Question 9

At room temperature, F.C.C. crystal structure is observed in

Accepted Answer

Lead

Answer

Cupro-nickel

Answer

Titanium

Answer

Tungsten