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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.

Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about________________?

A 8800 kcal/m3

B 8800 kcal/kg

C Same as that of coal middling

D 25000 kcal/kg

Review Detailed Answer

Correct Answer: 8800 kcal/kg

Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because __________________?

A The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot

B It reduces its calorific value tremendously

C It reduces its flame temperature tremendously

D There are chances of explosion during preheating

Review Detailed Answer

Correct Answer: The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot

Calorific values of both the solid as well as the liquid fuels can be determined by ______________ calorimeter?

A Bomb

B Boy’s

C Junkers

D None of these

Review Detailed Answer

Correct Answer: Bomb

Calorific value of bituminous coal may be around ______________ Kcal/kg?

A 500

B 1500

C 6500

D 20000

Review Detailed Answer

Correct Answer: 500

Stack heat losses can be minimised by________________?

A Controlling the excess air

B Oxygen enrichment of combustion air

C Using low c.v. fuels

D Maintaining proper draft in the furnace

Review Detailed Answer

Correct Answer: Controlling the excess air

Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called_________________?

A Back draughting

B Banking

C Under pressurising

D None of these

Review Detailed Answer

Correct Answer: Banking

Anthracite coal ____________________?

A Contains more volatile matter than bituminous coal

B Ignites more easily than bituminous coal

C Is essentially a coking coal

D Burns with short, bluish, yellow-tipped flame producing very little smoke

Review Detailed Answer

Correct Answer: Burns with short, bluish, yellow-tipped flame producing very little smoke

By-products are _____________ recovered in ‘Beehive ovens’ ?

A Fully

B Partially

C Not at all

D Negligibly

Review Detailed Answer

Correct Answer: Not at all

A coal containing very high percentage of durain is called ______________ coal?

A Bright

B Splint

C Non-banded

D Boghead

Review Detailed Answer

Correct Answer: Splint

The function of secondary combustion air is to ______________________?

A Pneumatically convey the pulverised coal

B Completely burn the volatile matter

C Burn the lumpy coal

D None of these

Review Detailed Answer

Correct Answer: Completely burn the volatile matter

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about________________?

Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because __________________?

Calorific values of both the solid as well as the liquid fuels can be determined by ______________ calorimeter?

Calorific value of bituminous coal may be around ______________ Kcal/kg?

Stack heat losses can be minimised by________________?

Method of maintaining fires in furnace during standby periods without undue consumption of fuel is called_________________?

Anthracite coal ____________________?

By-products are _____________ recovered in ‘Beehive ovens’ ?

A coal containing very high percentage of durain is called ______________ coal?

The function of secondary combustion air is to ______________________?