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ESE ME: Theory of Machines & Vibrations Champion Quiz 2

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Question 1

What is the value of pressure angle generally used for involute gears?

Question 2

The number of degrees of freedom of an epicyclic gear train is

Question 3

In a kinematic chain, a quaternary joint is equivalent to _____

Question 4

The governor is said to be stable when :

Question 5

in a centrifugal governor, the controlling force is observed to be 14 N, when the radius of rotation is 2 cm and 38 N. When the radius of rotation is 6cm, the governor:

Question 6

Match List-I (Type of Gear/Gear Train) with List-II (different Usage and drive) and select the correct answer using the code given below the lists:
List-I
A) Epicyclic gear train
B) Bevel Gear
C) Worm and worm gear
D) Herringbone Gear
List-II
1) Reduces end thrust
2) Low gear ratio
3) Drives non-parallel non-intersecting shafts
4) Drives non-parallel intersecting shafts
5) High gear ratio

Question 7

Assertion (A): Hooke’s joint connects two non-parallel non-intersecting shafts to transmit motion with a constant velocity ratio.
Reason (R): Hooke’s joint connects two shafts the axes of which do not remain in alignment while in motion.

Question 8

Which mechanism produces intermittent rotary motion from continuous rotary motion?

Question 9

Angle of dwell of cam is defined as the angle

Question 10

If the speed of an engine varies between 390 and 410 rpm in a cycle of operation, the coefficient of fluctuations of speed would be:
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Mar 30ESE & GATE ME