Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁ D₂/D₁ D₁/D₂ D₁.D₂ D₁ D₂/D₁ D₁/D₂ D₁.D₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. One-half Two-third 1/n times n times One-half Two-third 1/n times n times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁ × ω₂) y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± 2a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of teeth Always variable Always constant Dependent on the size of gears Dependent on the size of teeth Always variable Always constant Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become fn/2 4 fn 8 fn 2 fn fn/2 4 fn 8 fn 2 fn ANSWER DOWNLOAD EXAMIANS APP
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