Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Just begins to slide over the surface of the other body Is in motion Is at rest None of these Just begins to slide over the surface of the other body Is in motion Is at rest ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the Flanks of both gear and pinion Tip of both gear and pinion Tip of the gear tooth and flank of pinion Tip of the pinion and flank of gear Flanks of both gear and pinion Tip of both gear and pinion Tip of the gear tooth and flank of pinion Tip of the pinion and flank of gear 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) 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)] ωr [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted by a cone clutch is same as that of Flat collar bearing Flat pivot bearing Conical pivot bearing Truncated conical pivot bearing Flat collar bearing Flat pivot bearing Conical pivot bearing Truncated conical pivot bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a truncated conical pivot bearing, considering uniform wear, is (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α (r₁ + r₂) (2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)] (2/3).μ W cosec α (r₁ + r₂) (1/2). μ W cosec α (r₁ + r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 12 1/8 4/15 1/24 12 1/8 4/15 1/24 ANSWER DOWNLOAD EXAMIANS APP
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