MCQs of Gears and Gear Trains (Kinematics and Theory of Machines - 3131906)

Showing 31 to 40 out of 44 Questions

31.

The circular pitch of a gear is given by ______.

32.

The face of the tooth is ________.

(a)	surface of the top of tooth
(b)	surface of tooth above the pitch surface
(c)	width of tooth below the pitch surface
(d)	width of tooth measured along the pitch circle

33.

The flank of the tooth is the surface of the tooth _____________ the pitch surface.

34.

In a rack and pinion arrangement, the rack has teeth of _______________ shape.

35.

In involute gears, the pressure angle is ______.

(a)	dependent on the size of teeth
(b)	dependent on the size of gears
(c)	always constant
(d)	always variable

36.

The contact ratio of gears is given by _______.

(a)	length of the path of approach/circular pitch
(b)	length of the path of recess/circular pitch
(c)	length of the arc of contact/circular pitch
(d)	length of the path of approach//length of the arc of contact

37.

In a gear having involute teeth, the normal to the involute is a tangent to the ______ circle.

38.

In which of the following type of profile teeth, there are chances of interference occurrence?

(a)	Cycloidal
(b)	Involute
(c)	In involute and cycloidal both
(d)	Neither in involute nor in cycloidal

39.

The minimum number of teeth on the pinion in order to avoid interference for 20° full depth involute system is _______.

40.

From the following, which type of gears can not be used for parallel shafts?

Showing 31 to 40 out of 44 Questions