Theory of Machine A universal joint is an example of Rolling pair Sliding pair Lower pair Higher pair Rolling pair Sliding pair Lower pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Structure Kinematic chain Inversion Mechanism Structure Kinematic chain Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 12 4/15 1/24 1/8 12 4/15 1/24 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of energy is the Difference between the maximum and minimum energies Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle Difference between the maximum and minimum energies Sum of the maximum and minimum energies Variations of energy above and below the mean resisting torque line Ratio of the mean resisting torque to the work-done per cycle ANSWER DOWNLOAD EXAMIANS APP
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