Theory of Machine Which of the following is a turning pair? Piston and cylinder of a reciprocating steam engine Ball and a socket joint Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Ball and a socket joint Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ I₂/G I₂/G² G².I₂ G.I₂ I₂/G I₂/G² G².I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams Belt, rope and chain drives All of these Ball and roller bearings Gears, cams Belt, rope and chain drives All of these Ball and roller bearings ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the stiffness of the spring is given by (where S1 and S2 = Spring forces exerted on the sleeve at max. and min. radii of rotation, and h = Compression of the spring) (S₁ + S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h (S₁ + S₂) / h (S₁ - S₂) / 2h (S₁ + S₂) / 2h (S₁ - S₂) / h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Cross-head Connecting rod Crank pin Crank Cross-head Connecting rod Crank pin Crank ANSWER DOWNLOAD EXAMIANS APP
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