Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 30 34 10 20 30 34 10 20 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 (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Both (A) and (B) None of these Primary forces and couples must be balanced Secondary forces and couples must be balanced Both (A) and (B) None of these Primary forces and couples must be balanced Secondary forces and couples must be balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is Restrained to rotate while sliding over another body In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation In plane translation with variable velocity Restrained to rotate while sliding over another body In plane rotation with variable velocity In plane motion which is a resultant of plane translation and rotation In plane translation with variable velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a piston in the cylinder of a steam engine All of these Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole Motion of a piston in the cylinder of a steam engine All of these Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The total number of instantaneous centers for a mechanism consisting of n links are n - 1 n/2 n(n - 1)/2 n n - 1 n/2 n(n - 1)/2 n ANSWER DOWNLOAD EXAMIANS APP
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