Chemical Engineering Basics MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Engineering Basics .

Fire in fuel gas pipelines is extinguished most effectively by

A) Spraying water B) Blanketting the area with nitrogen atmosphere C) Fire fighting foam D) None of these

Discuss

Answer & Solution

Answer: Option B

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

Boiling point of water gets lowered at high altitudes (e.g., hills), because

A) Temperature is low B) Atmospheric pressure is low C) Atmospheric pressure is high D) None of these

Discuss

Answer & Solution

Answer: Option B

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

Desert air coolers being rendered ineffective in rainy season is due to

A) Low humidity B) Low temperature C) High humidity D) Sunny weather

Discuss

Answer & Solution

Answer: Option C

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

Auto collimator is used to check

A) Flatness B) Angle C) Rotor balancing D) Roughness

Discuss

Answer & Solution

Answer: Option B

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

About __________ ton of coke is required in a cupola to produce one ton of casting.

A) 0.03 B) 0.3 C) 0.8 D) 1.5

Discuss

Answer & Solution

Answer: Option B

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

The most commonly used moderator in nuclear power plants is

A) Graphite B) Light water C) Heavy water D) Berellium

Discuss

Answer & Solution

Answer: Option A

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

Role of a "collector" in froth floatation is to

A) Form a water repelling film on the mineral surface B) Create and stabilise the froth C) Act as a surface D) Collect the minerals according to their specific gravity

Discuss

Answer & Solution

Answer: Option A

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

Pick out the wrong statement.

A) In Parke's process, zinc is added to remove silver from lead B) In the Pidgeon process of producing magnesium, powdered ferro-silcon is used as the reducing agent C) Molten lead is used for shock cooling of the zinc vapours in the zinc blast furnace D) Pure copper electrodes are used as anode for electro-refinning of copper

Discuss

Answer & Solution

Answer: Option D

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

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

A) Refrigerant cooling B) Evaporator C) Condenser D) Throttling

Discuss

Answer & Solution

Answer: Option C

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

100

A reduction in thermal resistance during heat transfer does not occur in the

A) Convection heat transfer by stirring the fluid and cleaning the heating surface B) Conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity C) Radiation heat transfer by increasing the temperature and reducing the emis-sivity D) None of these

Discuss

Answer & Solution

Answer: Option C

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

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering