Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁/D₂ D₁.D₂ D₁ D₂/D₁ D₁/D₂ D₁.D₂ D₁ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that The system is also statically balanced There is no critical speed in the system The system is critically damped There will absolutely no wear of bearings The system is also statically balanced There is no critical speed in the system The system is critically damped There will absolutely no wear of bearings ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In its simplest form, a cam mechanism consists of following number of links 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in A single plane Two planes Four planes Three planes A single plane Two planes Four planes Three planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A watt's governor can work satisfactorily at speeds from 60 to 80 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 80 to 100 r.p.m. 60 to 80 r.p.m. 100 to 200 r.p.m. 200 to 300 r.p.m. 80 to 100 r.p.m. 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 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm ANSWER DOWNLOAD EXAMIANS APP
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