CHEMICAL ENGINEERING BASICS QUIZ

Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.

Tensile

Fatigue

Endurance

Creep

TRUE ANSWER : ?
YOUR ANSWER : ?

Rankine cycle comprises of two isothermal and two __________ processes.

None of these

Isentropic

Polytropic

Isobaric

TRUE ANSWER : ?
YOUR ANSWER : ?

The stress at which a metal fails by fatigue lies

None of these

Near the fracture point of the stress-strain curve

In the elastic range

In the plastic range

TRUE ANSWER : ?
YOUR ANSWER : ?

Frost formation on the evaporator tubes in the domestic refrigerators

Is immaterial

Can be prevented by proper design

Causes heat loss due to poor heat transfer

Decreased compressor power

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

Limestone

Coke

Sinter

Iron ore

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogen in liquid steels is dissolved

In the atomic form

In the ionic form

In the molecular form

As tiny gas bubbles

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following metals is the most prone to work hardening?

Brass

Lead

Copper

Aluminium

TRUE ANSWER : ?
YOUR ANSWER : ?

Milk is fat dispersed in water. It is an example of

Emulsion

Solution

Gel

Suspension

TRUE ANSWER : ?
YOUR ANSWER : ?

Isotropic materials have the same __________ in all directions.

Thermal properties

Density

Elastic properties

Induced stresses

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in steam pressure, its specific volume decreases

Exponentially

Linearly

Rapidly first and then slowly

Slowly first and then rapidly

TRUE ANSWER : ?
YOUR ANSWER : ?

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