CHEMICAL ENGINEERING BASICS QUIZ

Load cells used for the measurement of weight has

Compact & rugged construction with an accuracy of 0.1 to 1%

All of these

No moving parts and incurs negligible deflection under load

Provision of thermal compensation and is hermetically sealed

TRUE ANSWER : ?
YOUR ANSWER : ?

Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Vicker's

Brinell

Rockwell

Knoop

TRUE ANSWER : ?
YOUR ANSWER : ?

Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Acid

Precipitation

Emulsion

Saponification

TRUE ANSWER : ?
YOUR ANSWER : ?

The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Convection

Radiation

Both A & B

Conduction

TRUE ANSWER : ?
YOUR ANSWER : ?

Fatigue resistance of a material is measured by the

Young's modulus

Ultimate tensile strength

Elastic limit

Endurance limit

TRUE ANSWER : ?
YOUR ANSWER : ?

Tempering of a material does not improve its

Internal stress level

Toughness

Machinability

Softness

TRUE ANSWER : ?
YOUR ANSWER : ?

Surface tension is due to the __________ forces.

Viscous

Adhesive

Difference between adhesive & cohesive

Cohesive

TRUE ANSWER : ?
YOUR ANSWER : ?

Deformation band is absent in materials having __________ lattice crystal structure.

Bcc

Fcc

None of these

Hcp

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the wrong statement. If the net positive suction head (NPSH) requirement of a pump is not satisfied, then

It will be cavitated

Its efficiency will not be affected

It will deliver low discharge of liquid

It will not develop sufficient head to raise water

TRUE ANSWER : ?
YOUR ANSWER : ?

Out of the following, the most ductile material is

Aluminium

Copper

Nickel

Mild steel

TRUE ANSWER : ?
YOUR ANSWER : ?