Theory of Machine The partial balancing of reciprocating parts in locomotives produces Variation in tractive force along the line of stroke Hammer blow Swaying couple All of these Variation in tractive force along the line of stroke Hammer blow Swaying couple All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that Governor A is more sensitive than governor B None of these Both governors A and B are equally sensitive Governor B is more sensitive than governor A Governor A is more sensitive than governor B None of these Both governors A and B are equally sensitive Governor B is more sensitive than governor A ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having identical teeth Double helical gears having opposite teeth Mutter gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the Sum of the tensions on the tight side and slack side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt Tension in the tight side of the belt Sum of the tensions on the tight side and slack side of the belt Average tension of the tight side and slack side of the belt Tension in the slack side of the belt Tension in the tight side of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of gears Always variable Always constant Dependent on the size of teeth Dependent on the size of gears Always variable Always constant Dependent on the size of teeth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
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