Explore topic-wise MCQs in Machine Design.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.

1.

The pinion of a face gear is a

A. Spur gear
B. Helical gear
C. Either spur or helical
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
2.

Calculate the axial component of gear tooth force if power transmitted is 6kW and diameters of pinion and gear are 150mm and 210 mm with face width of tooth being 35mm. Power is transmitted at 3000rpm. Also pressure angle is 20⁰.

A. 660.05N
B. 528.06N
C. 448.21N
D. 886.6N
Answer» C. 448.21N
Discussion
3.

Calculate the radial component of gear tooth force if power transmitted is 6kW and diameters of pinion and gear are 150mm and 210 mm with face width of tooth being 35mm. Power is transmitted at 3000rpm. Also pressure angle is 20⁰.

A. 996.6N
B. 332.6N
C. 489.2N
D. 739.2N
Answer» E.
Discussion
4.

Calculate the tangential component of gear tooth force if power transmitted is 6kW and diameters of pinion and gear are 150mm and 210 mm with face width of tooth being 35mm. Power is transmitted at 3000rpm.

A. 1668N
B. 2946N
C. 3000N
D. 3326N
Answer» C. 3000N
Discussion
5.

If pitch angle is 8⁰ and dedendum angle is 4⁰, then find root angle.

A. 12⁰
B. 4⁰
C. 8⁰
D. None of the listed
Answer» C. 8⁰
Discussion
6.

If pitch angle and addendum angles are 5⁰ and 12⁰ respectively, then face angle is equal to?

A. 17⁰
B. 7⁰
C. 5⁰
D. 12⁰
Answer» B. 7⁰
Discussion
7.

CALCULATE_THE_RADIAL_COMPONENT_OF_GEAR_TOOTH_FORCE_IF_POWER_TRANSMITTED_IS_6KW_AND_DIAMETERS_OF_PINION_AND_GEAR_ARE_150MM_AND_210_MM_WITH_FACE_WIDTH_OF_TOOTH_BEING_35MM._POWER_IS_TRANSMITTED_AT_3000RPM._ALSO_PRESSURE_ANGLE_IS_20‚ÄÖ√Ñ√∂‚ÀÖ√Ñ‚ÄÖ√†√ª.?$#

A. 996.6N
B. 332.6N
C. 489.2N
D. 739.2N
Answer» E.
Discussion
8.

The pinion of a face gear is a$

A. Spur gear
B. Helical gear
C. Either spur or helical
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
9.

Calculate_the_axial_component_of_gear_tooth_force_if_power_transmitted_is_6kW_and_diameters_of_pinion_and_gear_are_150mm_and_210_mm_with_face_width_of_tooth_being_35mm._Power_is_transmitted_at_3000rpm._Also_pressure_angle_is_20‚Äö√Ö‚àû.$#

A. 660.05N
B. 528.06N
C. 448.21N
D. 886.6N
Answer» C. 448.21N
Discussion
10.

Calculate the tangential component of gear tooth force if power transmitted is 6kW and diameters of pinion and gear are 150mm and 210 mm with face width of tooth being 35mm. Power is transmitted at 3000rpm?

A. 1668N
B. 2946N
C. 3000N
D. 3326N
Answer» C. 3000N
Discussion
11.

Calculate the radius of pinion at midpoint along the face width if PCD of pinion is 150mm and of gear is 210mm. Also face width of the tooth is 35mm.

A. 56.35mm
B. 64.83mm
C. 66.57mm
D. 58.69mm
Answer» C. 66.57mm
Discussion
12.

Calculate the pitch angle if pitch circle diameter of the pinion and gear are 150mm and 210mm.

A. 28.14‚Äö√Ö‚àû
B. 35.54‚Äö√Ö‚àû
C. 36.22‚Äö√Ö‚àû
D. 63.22‚Äö√Ö‚àû
Answer» C. 36.22‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ª
Discussion
13.

Calculate the cone distance of in a pair of bevel gears if pitch circle diameter of pinion and gear are 20mm and 24mm respectively.

A. 44mm
B. 22mm
C. 15.6mm
D. 20.2mm
Answer» D. 20.2mm
Discussion
14.

If back cone distance is 12mm and module at large end of the tooth is 4mm, and virtual number of teeth is 12 then find the diameter of the tooth.

A. 5
B. 4
C. 3
D. 2
Answer» E.
Discussion
15.

If back cone distance is 12mm and module at large end of the tooth is 4mm, then formative number of teeth will be?

A. 3
B. 6
C. 4
D. 12
Answer» C. 4
Discussion
16.

If pitch angle is 8‚Äö√Ö‚àû and dedendum angle is 4‚Äö√Ö‚àû, then find root angle.$

A. 12‚Äö√Ö‚àû
B. 4‚Äö√Ö‚àû
C. 8‚Äö√Ö‚àû
D. None of the listed
Answer» C. 8‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ª
Discussion
17.

If pitch angle and addendum angles are 5‚Äö√Ö‚àû and 12‚Äö√Ö‚àû respectively, then face angle is equal to?

A. 17‚Äö√Ö‚àû
B. 7‚Äö√Ö‚àû
C. 5‚Äö√Ö‚àû
D. 12‚Äö√Ö‚àû
Answer» B. 7‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ª
Discussion