Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing of reciprocating parts in locomotives produces Swaying couple Hammer blow All of these Variation in tractive force along the line of stroke Swaying couple Hammer blow All of these Variation in tractive force along the line of stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head Crank pin, crankshaft and flywheel Connecting rod with big and small end brasses, caps and bolts All of these Piston, piston rod and cross-head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Kinematic chain Mechanism Structure Inversion Kinematic chain Mechanism Structure Inversion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Inner edge Outer edge Corners None of these Inner edge Outer edge Corners None of these ANSWER DOWNLOAD EXAMIANS APP
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