250+ TOP MCQs on Types of Gears and Answers

Machine Kinematics Multiple Choice Questions on “Types of Gears”.

1. The gears used for parallel shaft arrangement are
a) mitre gear
b) face gear
c) spur gears on helical gears
d) none of the mentioned
Answer: c
Clarification: Bevel gears are the gears used for intersecting shaft arrangement.
The gears used for parallel shaft arrangement are spur gears on helical gears.

2. _____________ are the gears used for intersecting shaft arrangement.
a) bevel gears
b) beveloid gears
c) mitre gears
d) none of the mentioned
Answer: a
Clarification: Bevel gears are the gears used for intersecting shaft arrangement.
The gears used for parallel shaft arrangement are spur gears on helical gears.

3. ________________ are gears used for skew arrangement.
a) spur gears on helical gears
b) helical, worm, or hypoid gears
c) mitre gears
d) none of the mentioned
Answer: b
Clarification: Helical, worm, or hypoid gears are gears used for skew arrangement.
Bevel gears are the gears used for intersecting shaft arrangement.

4. Bevel gears used for connecting intersecting shafts at 90⁰ and having speed ratio 1 : 1 is known as
a) bevel gears
b) beveloid gears
c) mitre gears
d) none of the mentioned
Answer: c
Clarification: Bevel gears used for connecting intersecting shafts at 90⁰ and having speed ratio 1 : 1 is known as mitre gears.
Bevel gears with basic pressure angle of 20⁰ with long and short addendums for ratios other than 1:1 to avoid undercut pinions and to increase strength are gleason bevel gears.

5. Tapered involute gears which can couple intersecting shafts, skew shafts, and parallel shafts are known as
a) bevel gears
b) beveloid gears
c) mitre gears
d) none of the mentioned
Answer: b
Clarification: Tapered involute gears which can couple intersecting shafts, skew shafts, and parallel shafts are known as beveloid gears.
The gears used for parallel shaft arrangement are spur gears on helical gears.

6. Gears having teeth cut on the rotating face plane of the gear and mate with standard involute spur gears are known as
a) mitre gear
b) face gear
c) spur gears on helical gears
d) none of the mentioned
Answer: b
Clarification: Worm gears are used for obtaining large speed reduction between non-intersecting shafts making an angle of 90⁰ with each other.
Gears having teeth cut on the rotating face plane of the gear and mate with standard involute spur gears are known as face gears.

7. ____________ gears are used for obtaining large speed reduction between non-intersecting shafts making an angle of 90⁰ with each other.
a) worm gears
b) beveloid gears
c) mitre gears
d) none of the mentioned
Answer: a
Clarification: Worm gears are used for obtaining large speed reduction between non-intersecting shafts making an angle of 90⁰ with each other.
Gears having teeth cut on the rotating face plane of the gear and mate with standard involute spur gears are known as face gears.

8. Bevels connecting shafts other than 90⁰ are
a) worm gears
b) angular bevel gears
c) mitre gears
d) none of the mentioned
Answer: b
Clarification: Bevels connecting non-intersecting shafts are skew bevel gears.
Bevels connecting shafts other than 90⁰ are angular bevel gears.

9. Bevels connecting non-intersecting shafts are
a) skew bevel gears
b) angular bevel gears
c) mitre gears
d) none of the mentioned
Answer: a
Clarification: Bevels connecting non-intersecting shafts are skew bevel gears.
Bevels connecting shafts other than 90⁰ are angular bevel gears.

10. Bevel gears with basic pressure angle of 20⁰ with long and short addendums for ratios other than 1:1 to avoid undercut pinions and to increase strength are
a) skew bevel gears
b) angular bevel gears
c) gleason bevel gears
d) none of the mentioned
Answer: c
Clarification: Bevel gears used for connecting intersecting shafts at 90⁰ and having speed ratio 1 : 1 is known as mitre gears.
Bevel gears with basic pressure angle of 20⁰ with long and short addendums for ratios other than 1:1 to avoid undercut pinions and to increase strength are gleason bevel gears.