Theory of Machine For fluctuating loads, well suited bearing is Thrust bearing Ball bearing Needle roller bearing Roller bearing Thrust bearing Ball bearing Needle roller bearing Roller bearing 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 sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a single slider crank chain Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Each of the four pairs is a turning pair Three are turning pairs and one is a sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Increases None of these Remains constant Decreases Increases None of these Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Variation in tractive force along the line of stroke All of these Swaying couple Hammer blow Variation in tractive force along the line of stroke All of these Swaying couple Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement None of these A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement None of these A body vibrates under the influence of external force ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS