Theory of Machine A shaft carrying two rotors at its ends will have No node One node Two nodes Three nodes No node One node Two nodes Three nodes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies inversely with the square of the speed Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies inversely with the square of the speed 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
Theory of Machine When the nature of contact between the elements of a pair is such that one element can turn about the other by screw threads, the pair is known as a Sliding pair Turning pair Spherical pair Screw pair Sliding pair Turning pair Spherical pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Longitudinal vibrations are said to occur when the particles of a body moves In a circle about its axis Perpendicular to its axis Parallel to its axis None of these In a circle about its axis Perpendicular to its axis Parallel to its axis None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to revolving masses Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Varies in magnitude and direction both Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
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