Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ cosβ cosecβ sinβ secβ cosβ cosecβ sinβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A governor is said to be stable, if the Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls decreases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? It is a marginal case Yes No Data are insufficient to determine it It is a marginal case Yes No Data are insufficient to determine it ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Body contact Surface contact None of these Line or point contact Body contact Surface contact None of these Line or point contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a All of these Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head All of these Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts Piston, piston rod and cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is opposite to that of velocity Is perpendicular to that of velocity ANSWER DOWNLOAD EXAMIANS APP
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