Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Band brake Internal expanding brake Band and block brake Shoe brake Band brake Internal expanding brake Band and block brake Shoe brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosφ secφ cosecφ sinφ cosφ secφ cosecφ sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Is opposite to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is perpendicular to that of velocity Is opposite to that of velocity Could be either same or opposite to velocity Is same as that of velocity Is perpendicular to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the particles of a body moves perpendicular to its axis, then the body is said to have None of these Transverse vibration Longitudinal vibration Torsional vibration None of these Transverse vibration Longitudinal vibration Torsional vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Leads by 180° Lags by 90° Leads by 90° Is in phase Leads by 180° Lags by 90° Leads by 90° Is in phase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS