Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a compound pendulum is (1/2π). √[(kG² + h²)/gh] 2π. √[gh/(kG² + h²)] (1/2π). √[gh/(kG² + h²)] 2π. √[(kG² + h²)/gh] (1/2π). √[(kG² + h²)/gh] 2π. √[gh/(kG² + h²)] (1/2π). √[gh/(kG² + h²)] 2π. √[(kG² + h²)/gh] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. More Same None of the listed here Less More Same None of the listed here Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for Vibration analysis Kinematic analysis Balancing of forces and couples The control of speed fluctuations Vibration analysis Kinematic analysis Balancing of forces and couples The control of speed fluctuations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a All of these Connecting rod with big and small end brasses, caps and bolts Crank pin, crankshaft and flywheel Piston, piston rod and cross-head All of these Connecting rod with big and small end brasses, caps and bolts Crank pin, crankshaft and flywheel Piston, piston rod and cross-head ANSWER DOWNLOAD EXAMIANS APP