CHEMICAL ENGINEERING BASICS QUIZ

Nitrogen is not an essential component of

Oils & fats

Any of these

Urea

Protein

TRUE ANSWER : ?
YOUR ANSWER : ?

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Yellow

Silver grey

Black

Green

TRUE ANSWER : ?
YOUR ANSWER : ?

In radiative heat transfer, a grey surface is the one, which has

Equal brightness in all directions

Grey appearance to the eye

Emissivity independent of wavelength

Zero reflectivity

TRUE ANSWER : ?
YOUR ANSWER : ?

On decreasing the grain size of a polycrys-talline material, the property most likely to deteriorate is

Fatigue

Creep

Tensile strength

Toughness

TRUE ANSWER : ?
YOUR ANSWER : ?

Specific __________ is a dimensionless quantity.

Weight

Heat

None of these

Humidity

TRUE ANSWER : ?
YOUR ANSWER : ?

Ignition of fuel in a diesel engine is by

Hot compressed air

None of these

Fuel injection

Spark

TRUE ANSWER : ?
YOUR ANSWER : ?

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Increases & decreases

Decreases & increases

Increases & increases

Decreases & decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

1.5

7

3

5

TRUE ANSWER : ?
YOUR ANSWER : ?

Powder metallurgy is used to produce

Components of large size

High precision components with complex cavities and sharp features

Components of such alloys whose constituents do not form alloys readily

Porosity free components

TRUE ANSWER : ?
YOUR ANSWER : ?

Swaging is a/an __________ operation.

Piercing

Forging

Drawing

Extrusion

TRUE ANSWER : ?
YOUR ANSWER : ?

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