CHEMICAL ENGINEERING BASICS QUIZ

Source of heat supply in a cupola is

Coke

Pulverised coal

Charcoal

Lumpy coal

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Aluminium

Lead

Brass

Copper

TRUE ANSWER : ?
YOUR ANSWER : ?

In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Blast of air

Mixture of water and air

Rain of molten lead

Jet of water at high pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Cold chiesel & hammers are made of

High carbon steel

Mild steel

High speed steel

Forged steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Scaling occurs in boiler tubes due to the fact that, the solubility of Ca(OH)₂ __________ with increasing temperature.

None of these

Decreases

Shows inversion of solubility

Increases

TRUE ANSWER : ?
YOUR ANSWER : ?

On increasing the yield strength of a steel from 450 to 650 MPa, its __________ will increase.

Modulus of toughness

Percent elongation

Modulus of resilience

Ultimate tensile strength (UTS)

TRUE ANSWER : ?
YOUR ANSWER : ?

In the Bayer's process, bauxite is digested under pressure using

NH₃

H₂SO₄

NaOH

HCl

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ forces do not act in case of fluids.

Centrifugal

Elastic

Tensile

Vibratory

TRUE ANSWER : ?
YOUR ANSWER : ?

Oxyacetylene reducing flame is used while carrying out welding on

Grey cast iron

Alloy steel

Mild steel

High carbon steel

TRUE ANSWER : ?
YOUR ANSWER : ?

Function of feed check valve in a boiler is to

Check the water level in the boiler drum

Regulate the water flow to boiler

Prevent the back flow of water

Facilitate circulation of high pressure feed water

TRUE ANSWER : ?
YOUR ANSWER : ?

↑