Q. What is the velocity ratio of two gears if the driver gear has angular velocity of 15 m/s and driven gear has angular velocity of 10 m/s?

View solution

Q. Reverted gear train is also called as planetary gear train.

View solution

Q. Rack and pinion gear can be termed as linear actuator.

View solution

Q. Who invented Ratchet wrench?

View solution

Q. What is the purpose of pawl, when it is used against a ratchet which is attached to a shaft?

View solution

Q. What is the minimum number of tooth, a ratchet should have?

View solution

Q. Which ratchets are often called as roller drive ratchets?

View solution

Q. The tooth of a ratchet is symmetrical.

View solution

Q. The movement of the ratchet can be locked by pawl if it moves in opposite direction.

View solution

Q. What is the maximum distance, a pawl can travel during the backward motion of a ratchet?

View solution

Q. Who invented Ratchet wheel, which was further used in power loom?

View solution

Q. What is the purpose of pawl, when it is used against a spur gear which is attached to a shaft?

View solution

Q. What does “12-point” indicates when the term 12 point reversible ratchet is used?

View solution

Q. Ratchet screw driver can apply turning force in one direction only.

View solution

Q. Backlash of a ratchet is the maximum distance covered by the pawl when the ratchet moves in opposite direction.

View solution

Q. It is not necessary to have teeth on the surface of the ratchet.

View solution

Q. Which ratchets are often called as reversible ratchets?

View solution

Q. What is the difference between ratchet and spur gear?

View solution

Q. Which among the following operations does not use belt drives?

View solution

Q. Which among the following is a type of belt drive?

View solution