Theory of Machine Open pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as None of these Tractive force Swaying couple Hammer blow None of these Tractive force Swaying couple Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 [(r² + R²) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r + R) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Both open belt drive and crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Open belt drive is recommended Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Open belt drive is recommended Crossed belt drive is recommended ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when Two of the links are fixed One of the links is fixed None of these None of the links is fixed Two of the links are fixed One of the links is fixed None of these None of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
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