Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Torsional vibrations All of these Transverse vibrations Longitudinal vibrations Torsional vibrations All of these Transverse vibrations Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W tan(α + φ) P = W cos(α + φ) P = W tan(α - φ) P = W tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Carnot cycle is a quasi static cycle a reversible cycle an irreversible cycle a semi-reversible cycle a quasi static cycle a reversible cycle an irreversible cycle a semi-reversible cycle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) cosβ cosecβ sinβ secβ cosβ cosecβ sinβ secβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration acts At 45° to the sliding surface Perpendicular to the sliding surface Along the sliding surface Parallel to the sliding surface At 45° to the sliding surface Perpendicular to the sliding surface Along the sliding surface Parallel to the sliding surface ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In logarithmic progression In geometric progression Constant In arithmetic progression In logarithmic progression In geometric progression Constant In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP