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GATE ME 2021 || Subject Revision Quiz 8 (App update required to attempt this test)
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Question 1
For a constrained kinematic chain having 6 link and no higher pair, the relative motion among the links is also assumed to have a Degree of Freedom as 1. Find the number of binary joints.
Question 2
The Coriolis component of acceleration is present in __________.
Question 3
In a flywheel, Cf represents coefficient of speed fluctuation, then which among the following expression will show ratio of ωmax / ωmin:
Question 4
which of the following cam profile motion has been most preferred during high speed application and has least jerk
Question 5
Consider a cantilever beam, having neglible mass and uniform flexural rigidity, with length 0.01m. The natural frequency of vibration of the beam, with 0.5kg mass attached at the free tip is 100Hz. The flexural rigidity (in Nm2)of the beam is
Question 6
The length of the fixed link of a crank and slotted lever mechanism is 250 mm and that of the crank is 100 mm. If the length of the slotted lever is 450 mm then the length of the stroke of the shaper is ______ (mm)
Question 7
The crank of a slider crank mechanism is 15 cm and the connecting rod is 60 cm long. The crank make 300 rpm in the clockwise direction, when it has turned 45° from the inner dead center position. Find the velocity of the slider __________ (in m/s).
Question 8
A flywheel of mass 2000 kg and radius of gyration 1.5 m. If the maximum fluctuation in energy and mean speed of flywheel are 100 kN-m and 200 rpm, then maximun speed of flywheel is equal to,
Question 9
A punch press, fitted with a flywheel having a radius of gyration of 0.53 m, runs at 260 rev/min. the press is capable of punching 600 holes per hour. Each punching operation takes 1.5 seconds. The rating of the electric motor used is 2 kW. Determine the mass of the flywheel, if the speed of the flywheel should not drop below 240 rev/min.
Question 10
A 60 ° V-twin engine has a reciprocating mass per cylinder of 9.5 kg. The connecting rods operate at a common crank. The length of the connecting rod is 250 mm and crank radius is 70 mm. If the engine runs at 700 rpm, maximum resultant secondary force will be __________.
Question 11
A connecting rod of a petrol engine of length l is shown in figure. Its mass m is replaced by a two masses m1 and m2 placed at the end centers. The distance of masses m1 and m2 from its centre of gravity are l1 and l2 respectively. 
For the dynamically equivalent system, the masses m1, m2 and its radius of gyration (kG) are
For the dynamically equivalent system, the masses m1, m2 and its radius of gyration (kG) are Question 12
A slider crank mechanism as shown below having ratio of length of coupler and radius so large that secondary forces acting on the slider may be neglected.If the radius of the crank is 25mm and angular velocity of 10 rad/s making angle of 30 degree with positive x axis. Find the acceleration of the slider in m/s2
Question 13
Two standard involute gears are in mesh which have 
pressure angle and module of 8 mm. The number of teeth on the pinion is 25 and on the gear is 50. The pinion rotates at 520 rpm and the addendum is equal to 1 module. The maximum velocity of sliding will be ----------------------- m/s.
pressure angle and module of 8 mm. The number of teeth on the pinion is 25 and on the gear is 50. The pinion rotates at 520 rpm and the addendum is equal to 1 module. The maximum velocity of sliding will be ----------------------- m/s.Question 14
A single degree of freedom free damped vibratory system is underdamped.The amplitude follows
Question 15
A machine part of mass 2 kg vibrates in viscous medium, angular frequency at resonance condition is found to be 10π rad/s. If a harmonic exciting force of 25 N produces 1.25 cm. Find the stiffness of the system in N/m.
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Jun 22ESE & GATE ME
