Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m - M) g c (m + M) g c/(m + M) g c/(m - M) g c (m - M) g c (m + M) g c/(m + M) g c/(m - M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Somewhere in between above two Along sliding surfaces Perpendicular to sliding surfaces None of these Somewhere in between above two Along sliding surfaces Perpendicular to sliding surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as Simple pendulum Compound pendulum Second's pendulum Torsional pendulum Simple pendulum Compound pendulum Second's pendulum Torsional pendulum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2 mm 2.50 mm 2.22 mm 3.0 mm 2 mm 2.50 mm 2.22 mm 3.0 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] All of these I.ω.(ω₁ - ω₂) I.ω².CS 2.E.CS All of these I.ω.(ω₁ - ω₂) I.ω².CS 2.E.CS ANSWER DOWNLOAD EXAMIANS APP
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