Theory of Machine The example of higher pair is All of these Gears, cams Belt, rope and chain drives Ball and roller bearings All of these Gears, cams Belt, rope and chain drives Ball and roller bearings ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Cause withdrawing or throttling of steam Reduce maximum opening of port to steam Reduce length of effective stroke of piston All of these Cause withdrawing or throttling of steam Reduce maximum opening of port to steam Reduce length of effective stroke of piston All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 0° and 90° 135° and 315° 270° and 360° 90° and 180° 0° and 90° 135° and 315° 270° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace The broken belt only All the belts The broken belt and the belts on either side of it None of these The broken belt only All the belts The broken belt and the belts on either side of it None of these 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 cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP