Chemical Engineering Mcqs 9594 MCQs [All-Courses]

Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

______________ is an indirectly heated furnace?

A Open hearth furnace

B Muffle furnace

C Soaking pit

D Reheating furnace

Review Detailed Answer

Correct Answer: Muffle furnace

Furnace pressure is normally controlled by regulating the__________________?

A Air pressure

B Fuel gas pressure

C Speed of I.D. fan

D Damper

Review Detailed Answer

Correct Answer: Damper

Pick out the wrong statement ?

A Addition of methane to the furnace atmosphere reduces decarburising by hydrogen

B Nitrogen in presence of steam decor-burises high carbon steel, whereas hydrocarbon gases

C Active nitrogen (formed by cracking ammonia at the metal surface) cause nitride formation

D None of these

Review Detailed Answer

Correct Answer: None of these

Ostwald charts are meant for__________________?

A Computing the excess/deficiency of combustion air

B Calculation of flue gas temperature

C Computation of flue gas analysis

D None of these

Review Detailed Answer

Correct Answer: Computing the excess/deficiency of combustion air

Which of the following furnaces will have maximum thermal efficiency ?

A Soaking pits

B Walking beam reheating furnace

C Boiler furnace

D Rotary kilns

Review Detailed Answer

Correct Answer: Boiler furnace

The function of an economiser in a boiler is to preheat the _____________________?

A Feedwater

B Combustion air

C Pulverised coal

D Furnace oil

Review Detailed Answer

Correct Answer: Feedwater

Which of the following is not an additive for flue gases from furnace to reduce its dewpoint ?

A Ammonia

B Fine dolomite

C Alkaline powders

D None of these

Review Detailed Answer

Correct Answer: None of these

Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of_________________?

A Furnace oil with air

B Furnace oil with oxygen

C Blast furnace gas with air

D Blast furnace gas with oxygen

Review Detailed Answer

Correct Answer: Blast furnace gas with air

Fuel economy in an industrial furnace operation cannot be achieved by the use of__________________?

A Stoichiometric combustion air

B Non-preheated combustion air

C Combustion air not enriched with oxygen

D Recuperators

Review Detailed Answer

Correct Answer: Stoichiometric combustion air

Which furnace employs preheating, heating and soaking zones ?

A Soaking pit

B Reheating furnace

C Open hearth furnace

D Cupola

Review Detailed Answer

Correct Answer: Reheating furnace

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

______________ is an indirectly heated furnace?

Furnace pressure is normally controlled by regulating the__________________?

Pick out the wrong statement ?

Ostwald charts are meant for__________________?

Which of the following furnaces will have maximum thermal efficiency ?

The function of an economiser in a boiler is to preheat the _____________________?

Which of the following is not an additive for flue gases from furnace to reduce its dewpoint ?

Out of the following fuels used in a furnace exhausting flue gas at a temperature of 600°C, the percentage stack loss will be maximum in case of complete combustion of_________________?

Fuel economy in an industrial furnace operation cannot be achieved by the use of__________________?

Which furnace employs preheating, heating and soaking zones ?