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SSC JE 2019 -20 Theory of Machine
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Question 1
The maximum and minimum speed of a governor is 50 rad/s and 30 rad/s. Its sensitiveness is_____.
Question 2
The module of a gear 1(10 teeth) is 5 mm, meshing with gear 2 has 20 teeth. Find the distance between centers of the mating gears?
Question 3
Which of the following is the type of pendulum governor?
Question 4
The motion between piston and cylinder in steam engine is a
Question 5
The static deflection of a shaft under a flywheel is 16mm. what is the critical speed ( in rad/sec) (Take g = 10 m/s2 ) ?
Question 6
The radius of a flywheel rim is 200 mm and the angular velocity is 20 rad/s. The tensile stress developed on it is (density is 1.6 kg/m3) __________.
Question 7
In a frame, the number of joint is 5, number of members=3, the frame is
Question 8
A four-bar linkage is shown in the figure. The length of RS is twice as that of PQ. If the angular velocity of RS is given as shown, what will be the angular velocity of PQ?
Question 9
A gear arrangement is shown below. The degree of freedom of the arrangement is
Question 10
The total number of instantaneous centers for a mechanism consisting of ‘n’ links is
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