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.

In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is_____________________?

A less than 2 kg

B more than or equal to 3.65 kg

C more than 10 kg

D there is no such consideration

Review Detailed Answer

Correct Answer: more than or equal to 3.65 kg

Critical pressure of a liquid is the pressure_________________?

A above which liquid will remain liquid

B above which liquid becomes gas

C above which liquid becomes vapour

D above which liquid becomes solid

Review Detailed Answer

Correct Answer: above which liquid will remain liquid

The vapor pressure of refrigerant should be_________________?

A lower than atmospheric pressure

B higher than atmospheric pressure

C equal to atmospheric pressure

D could be anything

Review Detailed Answer

Correct Answer: higher than atmospheric pressure

The bank of tubes at the back of domestic refrigerator are _________________?

A condenser tubes

B evaporator tubes

C refrigerant cooling tubes

D capillary tubes

Review Detailed Answer

Correct Answer: condenser tubes

Air refrigeration cycle is used in ____________________?

A domestic refrigerators

B commercial refrigerators

C air conditioning

D gas liquefaction

Review Detailed Answer

Correct Answer: gas liquefaction

For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be____________________?

A small

B high

C euqal

D anything

Review Detailed Answer

Correct Answer: small

Refrigeration in aeroplanes usually employs the following refrigerant___________________?

A Co2

B Freon-11

C Freon-22

D Air

Review Detailed Answer

Correct Answer: Air

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

Showing 441 to 450 of 1919 results

Contact Info

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

In refrigerator, liquid receiver is required between condenser and flow controlling device, if quantity of refrigerant for system is_____________________?

Critical pressure of a liquid is the pressure_________________?

The vapor pressure of refrigerant should be_________________?

The bank of tubes at the back of domestic refrigerator are _________________?

Air refrigeration cycle is used in ____________________?

For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be____________________?

Refrigeration in aeroplanes usually employs the following refrigerant___________________?

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 ____________________?