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.

Select the correct statement?

A Local atmospheric pressure depends upon elevation of locality only

B Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

C Local atmospheric pressure is always below standard atmospheric pressure

D A barometer reads the difference be-tween local and standard atmospheric pressure

Review Detailed Answer

Correct Answer: Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

Fluid is a substance that___________________?

A cannot be subjected to shear forces

B always expands until it fills any container

C has the same shear stress.at a point regardless of its motion

D cannot remain at rest under action of any shear force

Review Detailed Answer

Correct Answer: cannot remain at rest under action of any shear force

Practical fluids___________________?

A are viscous

B possess surface tension

C are compressible

D possess all the above properties

Review Detailed Answer

Correct Answer: possess all the above properties

If no resistance is encountered by displacement, such a substance is known as ___________________?

A fluid

B water

C gas

D perfect solid

Review Detailed Answer

Correct Answer: fluid

Density of water is maximum at__________________?

A 0°C

B 0°K

C 4°C

D 100°C

Review Detailed Answer

Correct Answer: 4°C

Property of a fluid by which its own molecules are attracted is called___________________?

A adhesion

B cohesion

C viscosity

D compressibility

Review Detailed Answer

Correct Answer: cohesion

The property of a fluid which enables it to resist tensile stress is known as___________________?

A compressibility

B surface tension

C cohesion

D adhesion

Review Detailed Answer

Correct Answer: cohesion

The specific weight of water is 1000 kg/m”_________________?

A at normal pressure of 760 mm

B at 4°C temperature

C at mean sea level

D all the above

Review Detailed Answer

Correct Answer: all the above

When the flow parameters at any given instant remain same at every point, then flow is said to be___________________?

A quasi static

B steady state

C laminar

D uniform

Review Detailed Answer

Correct Answer: uniform

An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is _________________?

A 10m/sec2

B 9.81 m/sec2

C 10.2/m sec

D 9.75 m/sec2

Review Detailed Answer

Correct Answer: 10m/sec2

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

Select the correct statement?

Fluid is a substance that___________________?

Practical fluids___________________?

If no resistance is encountered by displacement, such a substance is known as ___________________?

Density of water is maximum at__________________?

Property of a fluid by which its own molecules are attracted is called___________________?

The property of a fluid which enables it to resist tensile stress is known as___________________?

The specific weight of water is 1000 kg/m”_________________?

When the flow parameters at any given instant remain same at every point, then flow is said to be___________________?

An object having 10 kg mass weighs 9.81kg on a spring balance. The value of ‘g’ at this place is _________________?