Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.5615/ √δS 0.4985/ √δS 0.571/ √δS 0.6253/ √δS 0.5615/ √δS 0.4985/ √δS 0.571/ √δS 0.6253/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotary internal combustion engine has __________ cylinders. Seven Four Five Six Seven Four Five Six ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 25°-30° 15°-25° 30°-40° 10°-15° 25°-30° 15°-25° 30°-40° 10°-15° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Two-third Three-fourth One-half Whole Two-third Three-fourth One-half Whole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles Gears do not move smoothly in the absence of lubrication Pitch of the gears is not same Gear teeth are undercut The tip of a tooth of a mating gear digs into the portion between base and root circles 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)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
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