Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by EC S/2 2ECS² 2E²CS 2ECS EC S/2 2ECS² 2E²CS 2ECS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Bolt and nut Lead screw of a lathe Ball bearing and roller bearing Ball and socket joint Bolt and nut Lead screw of a lathe Ball bearing and roller bearing Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
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 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ 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. None of the listed here More Same Less None of the listed here More Same Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 80°- 90° 70°- 80° 60°-70° 50°- 60° 80°- 90° 70°- 80° 60°-70° 50°- 60° ANSWER DOWNLOAD EXAMIANS APP