Theory of Machine Ackermann steering gear consists of Sliding pairs Rolling pairs Higher pairs Turning pairs Sliding pairs Rolling pairs Higher pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Are not held together mechanically 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 cosθ 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Whitworth quick return mechanism Elliptical trammels Universal joint Rotary engine Whitworth quick return mechanism Elliptical trammels Universal joint Rotary engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear. None of these Less More Same None of these Less More Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body Just begins to slide over the surface of the other body Is at rest Is in motion None of these Just begins to slide over the surface of the other body Is at rest Is in motion None of these ANSWER DOWNLOAD EXAMIANS APP
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