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## More Questions on This Topic :

Question 1. In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is
1.     Equal to 1
2.     Equal to 2
3.     Less than 2
4.     Greater than 2
Answer: Option B

Question 2. The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. the effect of gyroscopic couple on the aeroplane will be
1.     To dip the nose and tail
2.     To raise the nose and tail
3.     To raise the nose and dip the tail
4.     To dip the nose and raise the tail
Answer: Option C

Question 3. For an involute gear, the ratio of base circle radius and pitch circle radius is equal to
1.     sinφ
2.     cosφ
3.     secφ
4.     cosecφ
Answer: Option B

Question 4. For an involute gear, the ratio of base circle radius and pitch circle radius is equal to
1.     sinφ
2.     cosφ
3.     secφ
4.     cosecφ
Answer: Option B

Question 5. In a four bar chain or quadric cycle chain
1.     Each of the four pairs is a turning pair
2.     One is a turning pair and three are sliding pairs
3.     Two are turning pairs and two are sliding pairs
4.     Three are turning pairs and one is a sliding pair
Answer: Option A

Question 6. The instantaneous center of a rigid thin disc rolling on a plane rigid surface is located at
1.     The center of the disc
2.     The point of contact
3.     An infinite distance on the plane surface
4.     The point on the circumference situated vertically opposite to the contact point
Answer: Option B