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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.

If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to__________________?

A D1/D2

B D2/D1

C D1-D2.

D D1

Review Detailed Answer

Correct Answer: D1

To obviate axial thrust, following gear drive is used_____________________?

A double helical gears having opposite teeth

B double helical gears having identical teeth

C single helical gear in which one of the teeth of helix angle a is more

D mutter gears

Review Detailed Answer

Correct Answer: double helical gears having opposite teeth

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimidstroke respectively, is__________________?

A maximum and zero

B zero and maximum

C minimum and maximum

D zero and minimum

Review Detailed Answer

Correct Answer: maximum and zero

The locus of a point on a thread unwound from a cylinder will be___________________?

A a straight line

B a circle

C involute

D cycloidal

Review Detailed Answer

Correct Answer: involute

Creep in belt drive is due to____________________?

A material of the pulley

B material of the belt

C larger size of the driver pulley

D uneven extensions and contractions due to varying tension

Review Detailed Answer

Correct Answer: uneven extensions and contractions due to varying tension

Idler pulley is used___________________?

A for changing the direction of motion of the belt

B for applying tension

C for increasing -velocity ratio

D all of the above

Review Detailed Answer

Correct Answer: for applying tension

Governor is used in automobile to_______________?

A decrease the variation of speed

B to control

C to control SN

D all of the above

Review Detailed Answer

Correct Answer: to control

For fluctuating loads, welsuited bearing is_________________?

A ball bearing

B roller bearing

C needle roller bearing

D thrust bearing

Review Detailed Answer

Correct Answer: roller bearing

In an ideal machine, the output as compared to input is_______________?

A less

B more

C equal

D may be less or more depending on efficiency

Review Detailed Answer

Correct Answer: equal

Transmission of power from the engine to the rear axle of an automobile is by means of___________________?

A compound gears

B worm and wheel method

C Hooke’s joint

D crown gear

Review Detailed Answer

Correct Answer: Hooke’s joint

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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

All Topics 1919

All Topics 1919

If D1 and D2 be the diameters of driver and driven pulleys, then belt speed is proportional to__________________?

To obviate axial thrust, following gear drive is used_____________________?

For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimidstroke respectively, is__________________?

The locus of a point on a thread unwound from a cylinder will be___________________?

Creep in belt drive is due to____________________?

Idler pulley is used___________________?

Governor is used in automobile to_______________?

For fluctuating loads, welsuited bearing is_________________?

In an ideal machine, the output as compared to input is_______________?

Transmission of power from the engine to the rear axle of an automobile is by means of___________________?