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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.

Which of the following metals is not subjected to electrolytic refining/purification ?

A Copper

B Zinc

C Tin

D Aluminium

Review Detailed Answer

Correct Answer: Tin

Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?

A Fracture

B Dislocation

C Slip

D Twinning

Review Detailed Answer

Correct Answer: Slip

Temperature attained in soldering of metals is about ________________ °C?

A 150-300

B 400-500

C 650-800

D 1000-1100

Review Detailed Answer

Correct Answer: 150-300

Which of the following are considered applications of ultrasonic testing ?

A Determination of elastic constant

B Detection of defects in metal

C Measurement of material thickness

D None of the above

Review Detailed Answer

Correct Answer: Detection of defects in metal

Most important property of steels for use in automobile bodies is the___________________?

A Formability

B Yield strength

C Toughness

D Resilience

Review Detailed Answer

Correct Answer: Formability

Preheating before welding is done to____________________?

A Make the plate softer

B Burn oil & grease sticking to plate surfaces

C Avoid plate distortion

D Prevent cold cracks

Review Detailed Answer

Correct Answer: Prevent cold cracks

The product of a commercial direct reduction process is___________________?

A Liquid iron

B Solid iron

C Sponge iron

D Iron saturated with carbon

Review Detailed Answer

Correct Answer: Sponge iron

A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is___________________?

A 8.82

B 9.81

C 10.88

D 0.95

Review Detailed Answer

Correct Answer: 8.82

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively____________________?

A Decreases & increases

B Increases & increases

C Increases & decreases

D Decreases & decreases

Review Detailed Answer

Correct Answer: Decreases & increases

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?

A Vapour locking

B Hot starting

C Spark plug fouling

D All A, B & C

Review Detailed Answer

Correct Answer: Spark plug fouling

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following metals is not subjected to electrolytic refining/purification ?

Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?

Temperature attained in soldering of metals is about ________________ °C?

Which of the following are considered applications of ultrasonic testing ?

Most important property of steels for use in automobile bodies is the___________________?

Preheating before welding is done to____________________?

The product of a commercial direct reduction process is___________________?

A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is___________________?

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively____________________?

Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?