Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω 2π/ω ω/2π ω × 2π π/ω 2π/ω ω/2π ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if sinθ = ± tanα cotθ = cosα cosθ = sinα tanθ = ± cosα sinθ = ± tanα cotθ = cosα cosθ = sinα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gear teeth are undercut Pitch of the gears is not same Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles Gear teeth are undercut Pitch of the gears is not same Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles 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 Screw pair Sliding pair Spherical pair Turning pair Screw pair Sliding pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.6253/√δ 0.571/√δ 0.5615/√δ 0.4985/√δ 0.6253/√δ 0.571/√δ 0.5615/√δ 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 4, 0 3, 1 1, 3 2, 2 4, 0 3, 1 1, 3 2, 2 ANSWER DOWNLOAD EXAMIANS APP