Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts None of these Perpendicular to sliding surfaces Along sliding surfaces Somewhere in between above two None of these Perpendicular to sliding surfaces Along sliding surfaces Somewhere in between above two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and turning pairs Sliding and rotary pairs Sliding pairs only Turning and rotary pairs Sliding and turning pairs Sliding and rotary pairs Sliding pairs only Turning and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted by a disc or plate clutch is same as that of Truncated conical pivot bearing Flat pivot bearing Flat collar bearing Conical pivot bearing Truncated conical pivot bearing Flat pivot bearing Flat collar bearing Conical pivot bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels All four pairs are turning Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding All four pairs are turning Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
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