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Free download in PDF Machine Kinematics - Compound Pendulum Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Which of the following shape of the body can be considered as compound pendulum?
[A]
Cylindrical
[B]
Cubical
[C]
Cuboidal
[D]
Any rigid body
(2)
Compound pendulum needs to be spherical in shape.
(3)
If the mass of the object is doubled then what will be the effect of time period of the compound pendulum?
[A]
Doubled
[B]
Remains same
[C]
Halved
[D]
Decreases by √2 times
Answer: Decreases by √2 times
(4)
If the mass moment inertia of the object is increased to 4 times then what will be the effect of time period of the compound pendulum?
[A]
Doubled
[B]
Remains same
[C]
Halved
[D]
Decreases by √2 times
(5)
Calculate the time period of an object having mass moment of inertia = 100 Kg-m2, mass of 10 Kg and the centre of gravity lies at a point 20 cm below the point of suspension.
[A]
14.1
[B]
15.2
[C]
13.3
[D]
12.9
(6)
Calculate the frequency of vibration in Hz of an object having mass moment of inertia = 100 Kg-m2, mass of 10 Kg and the centre of gravity lies at a point 20 cm below the point of suspension.
[A]
0.14
[B]
0.15
[C]
0.13
[D]
0.07
(7)
Calculate the moment of inertia of an object having time period = 14 sec, mass of 10 Kg and the centre of gravity lies at a point 20 cm below the point of suspension.
[A]
94.1
[B]
95.2
[C]
93.3
[D]
97.4
(8)
All simple pendulums are compound pendulums.
(9)
If the mass moment inertia of the object is increased to 4 times then what will be the effect of time period of the simple pendulum?
[A]
Doubled
[B]
Remains same
[C]
Halved
[D]
Decreases by √2 times
(10)
Calculate the moment of inertia of an object having time period = 14 sec, mass moment of inertia= 100 Kg-m2 and the centre of gravity lies at a point 20 cm below the point of suspension.
[A]
9.1
[B]
9.2
[C]
9.3
[D]
10.2
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