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 In a screw jack, the effort required to lower the load W is given by P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Coriolis component None of these Radial component Tangential component Coriolis component None of these Radial component Tangential component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.5615/ √δS 0.4985/ √δS 0.571/ √δS 0.6253/ √δS 0.5615/ √δS 0.4985/ √δS 0.571/ √δS 0.6253/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying three rotors will have No node Three nodes Two nodes One node No node Three nodes Two nodes One node ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Always constant Dependent on the size of teeth Always variable Dependent on the size of gears Always constant Dependent on the size of teeth Always variable Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
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