Prepare for job tests, interviews, and competitive exams with comprehensive Chemical Engineering MCQs covering fundamentals, chemical processes, reactions, process control, instrumentation, and other core concepts for students and fresh graduates.

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.

Which of the following constituents of coal is the most important in the production of coke ?

A Moisture

B Ash

C Volatiles

D Carbon

Review Detailed Answer

Correct Answer: Carbon

The combustion reaction, C + O2 = CO2, is ___________________?

A Exothermic

B Endothermic

C Autocatalytic

D None of these

Review Detailed Answer

Correct Answer: Exothermic

Orsat apparatus is meant for ___________________?

A Gravimetric analysis of flue gas

B Finding out combustion efficiency

C Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride

D None of these

Review Detailed Answer

Correct Answer: None of these

Yield of coke oven gas in low temperature carbonisation of coal is about ______________ Nm3 /ton of dry coal?

A 60

B 160

C 500

D 750

Review Detailed Answer

Correct Answer: 60

Blast furnace gas burns with a bluish flame, because of the presence of____________________?

A CO

B CH4

C CO2

D S

Review Detailed Answer

Correct Answer: CO

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following constituents of coal is the most important in the production of coke ?

The combustion reaction, C + O2 = CO2, is ___________________?

Orsat apparatus is meant for ___________________?

Yield of coke oven gas in low temperature carbonisation of coal is about ______________ Nm3 /ton of dry coal?

Blast furnace gas burns with a bluish flame, because of the presence of____________________?

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________________?