Chemical Engineering Basics MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Engineering Basics .

Catalyst used in the catalytic converter employed in automobiles to convert CO into CO₂ and for complete oxidation of un-burnt hydrocarbons is

A) Nickel B) Cobalt C) Vanadium D) Platinum

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m.k) of 15 mm diameter exposed to air (h = 20W/m².k), when the insulation thickness is __________ mm.

A) 15 B) 25 C) 10 D) 30

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is prone to cup and cone fracture?

A) Cast iron B) Soft brass C) Round specimen of ductile metal D) Flat tensile specimen of ductile metal

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In the diving apparatus, helium is used along with oxygen, because it is

A) Easily available B) Not soluble in blood at high pressure C) Lighter than nitrogen D) Completely miscible with oxygen

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A) 0.5 B) 3 C) 10 D) 25

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

On-off control

A) Fully opens the final control element, when the measured variable is below the set point B) Fully closes the final control element, when the measured variable is above the set point C) Is a two position control (fully open or fully closed) control adequate to control a process with slow reaction and minimum dead time or transfer lag D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is an unconventional source of energy ?

A) Thermal power B) Hydroelectric power C) Nuclear-fusion power D) Solar power

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Refrigerative cooling employed during long distance transportation of food stuffs is normally done by

A) Ice B) Liquid nitrogen C) Liquid oxygen D) Vacuum evaporation

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Machine tool bodies are usually made of

A) Cast iron B) Mild steel C) Wrought iron D) Copper alloys

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Increase in the entropy of a system represents the

A) Degradation of energy B) Decrease in system pressure C) Increase in the availability of energy D) Increase in the temperature

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering