Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α - φ)/tanα tanα/tan (α - φ) tan (α + φ)/tanα tanα/tan (α +φ) tan (α - φ)/tanα tanα/tan (α - φ) tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanisms produces mathematically an exact straight line motion? Watt mechanism Tchebicheff mechanism Grasshopper mechanism Peaucellier's mechanism Watt mechanism Tchebicheff mechanism Grasshopper mechanism Peaucellier's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time of one oscillation for a simple pendulum is (1/2π). √(g/l) 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) (1/2π). √(g/l) 2π. √(g/l) 2π. √(l/g) (1/2π). √(l/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted by a cone clutch is same as that of Flat pivot bearing Conical pivot bearing Flat collar bearing Truncated conical pivot bearing Flat pivot bearing Conical pivot bearing Flat collar bearing Truncated conical pivot bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Critical damping is a function of Mass and damping coefficient Mass and natural frequency Damping coefficient and natural frequency Mass and stiffness Mass and damping coefficient Mass and natural frequency Damping coefficient and natural frequency Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP