MCQsDrive | MCQsDrive

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

Rating of a domestic refrigerator is of the order of__________________?

A 0.1 ton

B 5 tons

C 10 tons

D 40 tons

Review Detailed Answer

Correct Answer: 0.1 ton

The refrigerant for a refrigerator should have ___________________?

A high sensible heat

B high total heat

C high latent heat

D low latent heat

Review Detailed Answer

Correct Answer: high latent heat

The domestic refrigerator uses following type of compressor ____________________?

A centrifugal

B axial

C miniature sealed unit

D piston type reciprocating

Review Detailed Answer

Correct Answer: piston type reciprocating

Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?

A electrically operated throttling valve

B manually operated valve

C thermostatic valve

D capillary tube

Review Detailed Answer

Correct Answer: capillary tube

Presence of moisture in a refrigerant affects the working of___________________?

A compressor

B condenser

C evaparator

D expansion valve

Review Detailed Answer

Correct Answer: expansion valve

The COP of a domestic refrigerator___________________?

A is less than 1

B is more than 1

C is equal to 1

D depends upon the make

Review Detailed Answer

Correct Answer: is more than 1

Critical temperature is’ the temperature above which _____________________?

A a gas will never liquefy

B a gas will immediately liquefy

C water will evaporate

D water will never evaporate

Review Detailed Answer

Correct Answer: a gas will never liquefy

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

A in 1 hour

B in 1 minute

C in 24 hours

D in 12 hours

Review Detailed Answer

Correct Answer: in 24 hours

In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?

A after passing through the condenser

B before passing through the condenser

C after passing through the expansion or throttle valve

D before [entering the expansion valve

Review Detailed Answer

Correct Answer: before passing through the condenser

One ton refrigeratiqn corresponds to_________________?

A 50 kcal/min

B 50 kcal/kr

C 80 kcal/min

D 80 kcal/hr

Review Detailed Answer

Correct Answer: 50 kcal/min

Showing 61 to 70 of 84 results

Contact Info

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Rating of a domestic refrigerator is of the order of__________________?

The refrigerant for a refrigerator should have ___________________?

The domestic refrigerator uses following type of compressor ____________________?

Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?

Presence of moisture in a refrigerant affects the working of___________________?

The COP of a domestic refrigerator___________________?

Critical temperature is’ the temperature above which _____________________?

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice_________________?

In vapour compression cycle the condition of refrigerant is superheated vapour _____________________?

One ton refrigeratiqn corresponds to_________________?