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.

The density of water is 1000 kg/m3 at__________________?

A 0°C

B 0°K

C 4°C D. 20°C

Review Detailed Answer

Correct Answer: 0°C

The ratio of absolute viscosity to mass density is known as_________________?

A specific viscosity

B viscosity index

C kinematic viscosity

D coefficient of viscosity

Review Detailed Answer

Correct Answer: kinematic viscosity

Alcohol is used in manometers because___________________?

A it has low vapour pressure

B it is clearly visible

C it has low surface tension

D it can provide longer column due to low density

Review Detailed Answer

Correct Answer: it can provide longer column due to low density

Specific weight of sea water is more that of pure water because it contains_________________?

A dissolved air

B dissolved salt

C suspended matter

D all of the above

Review Detailed Answer

Correct Answer: all of the above

Free surface of a liquid tends to contract to the smallest possible area due to force of_______________?

A surface tension

B viscosity

C friction

D cohesion

Review Detailed Answer

Correct Answer: surface tension

Falling drops of water become spheres due to the property of ____________________?

A adhesion

B cohesion

C surface tension

D viscosity

Review Detailed Answer

Correct Answer: surface tension

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?

A 500 kg

B 1000 kg

C 1500 kg

D 2000 kg

Review Detailed Answer

Correct Answer: 2000 kg

The buoyancy depends on___________________?

A mass of liquid displaced

B viscosity of the liquid

C pressure of the liquid displaced

D depth of immersion

Review Detailed Answer

Correct Answer: mass of liquid displaced

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?

A force of adhesion

B force of cohesion

C force of friction

D force of diffusion

Review Detailed Answer

Correct Answer: force of cohesion

Surface energy per unit area of a surface is numerically equal to _____________________?

A atmospheric pressure

B surface tension

C force of adhesion

D force of cohesion

Review Detailed Answer

Correct Answer: surface tension

Showing 821 to 830 of 1919 results

Contact Info

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

The density of water is 1000 kg/m3 at__________________?

The ratio of absolute viscosity to mass density is known as_________________?

Alcohol is used in manometers because___________________?

Specific weight of sea water is more that of pure water because it contains_________________?

Free surface of a liquid tends to contract to the smallest possible area due to force of_______________?

Falling drops of water become spheres due to the property of ____________________?

The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?

The buoyancy depends on___________________?

Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?

Surface energy per unit area of a surface is numerically equal to _____________________?