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 co-efficient of friction depends upon_______________?

A nature of surfaces

B area of contact

C shape of the surfaces

D ail of the above.

Review Detailed Answer

Correct Answer: nature of surfaces

If n = number of members andy = number of joints, then for a perfect frame, n =_________________?

A j-2

B 2j-l

C 2/-3

D 3/-2

Review Detailed Answer

Correct Answer: 2/-3

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to___________________?

A 25

B 50

C 100

D 250

Review Detailed Answer

Correct Answer: 50

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_________________?

A 38 m

B 62.5 m

C 96 m

D 124 m

Review Detailed Answer

Correct Answer: 62.5 m

Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one___________________?

A ellipse

B hyperbola

C parabola

D circle

Review Detailed Answer

Correct Answer: hyperbola

The C.G. of a solid hemisphere lies on the central radius 3r________________?

A at distance — from the plane base 3r

B at distance — from the plane base 3r

C at distance — from the plane base 3r

D at distance — from the plane base or

Review Detailed Answer

Correct Answer: at distance — from the plane base or

Which of the following is not the unit of energy_________________?

A kg m

B kcal

C wattr

D watt hours

Review Detailed Answer

Correct Answer: wattr

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?

A density of metal can’t be determined

B metal is twice as dense as water

C metal will float in water

D metal is twice as dense as unknown fluid

Review Detailed Answer

Correct Answer: density of metal can’t be determined

The C.G. of a right circular solid cone of height h lies at the following distance from the base______________?

A h/2

B J/3

C h/6

D h/4

Review Detailed Answer

Correct Answer: h/4

The C.G. of a plane lamina will not be at its geometrical centre in the case of a__________________?

A right angled triangle

B equilateral triangle

C square

D circle

Review Detailed Answer

Correct Answer: right angled triangle

Showing 51 to 60 of 1919 results

Contact Info

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

The co-efficient of friction depends upon_______________?

If n = number of members andy = number of joints, then for a perfect frame, n =_________________?

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to___________________?

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_________________?

Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one___________________?

The C.G. of a solid hemisphere lies on the central radius 3r________________?

Which of the following is not the unit of energy_________________?

A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal_________________?

The C.G. of a right circular solid cone of height h lies at the following distance from the base______________?

The C.G. of a plane lamina will not be at its geometrical centre in the case of a__________________?