CHEMICAL ENGINEERING BASICS QUIZ

Castability of aluminium is increased by the addition of __________ in it.

Bismuth

Lead

Manganese

Silicon

TRUE ANSWER : ?
YOUR ANSWER : ?

Creep consideration is the most important in case of the

Blades of gas turbines

Steam engine flywheel

Cast iron pipes

Cycle chains

TRUE ANSWER : ?
YOUR ANSWER : ?

Kinematic viscosity of water as compared to that of air is

More

15% more

15% less

Same

TRUE ANSWER : ?
YOUR ANSWER : ?

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

300

200

400

150

TRUE ANSWER : ?
YOUR ANSWER : ?

Gantt charts are used for streamlining the

Sales forecasting

Inventory control

Quality control

Production schedule

TRUE ANSWER : ?
YOUR ANSWER : ?

Buoyancy force depends on the __________ the liquid.

Viscosity of

Depth of immersion in

Displaced mass of

Surface tension of

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is neutral in character ?

N₂O₅

N₂O

N₂O₃

N₂O₄

TRUE ANSWER : ?
YOUR ANSWER : ?

The stress at which a metal fails by fatigue lies

In the plastic range

None of these

In the elastic range

Near the fracture point of the stress-strain curve

TRUE ANSWER : ?
YOUR ANSWER : ?

Corrosion rate can not be lowered by reducing the __________ of the corroding medium.

Concentration

Temperature

Velocity

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following phenomenon/ phenomena is/are diffusion controlled ?

Recrystallisation

Cross-slip

Dislocation climb

Twinning

TRUE ANSWER : ?
YOUR ANSWER : ?

↑