Theory of Machine The locus of a point on a thread unwound from a cylinder will be Involute Cycloidal A straight line A circle Involute Cycloidal A straight line A circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) 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 cos (θ - φ) + 1/ cos (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary 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 (cos 2θ/n) 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following has sliding motion? Connecting rod Cross-head Crank pin Crank Connecting rod Cross-head Crank pin Crank ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Outer dead centre Inner dead centre All of the listed here Right angles to the link of the stroke Outer dead centre Inner dead centre All of the listed here Right angles to the link of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz ANSWER DOWNLOAD EXAMIANS APP