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 8 fn 2 fn fn/2 4 fn 8 fn 2 fn fn/2 4 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? Bevel gear None of these Helical gear Spur gear Bevel gear None of these Helical gear Spur gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the clockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂)2r ω₁.ω₂.r (ω₁ + ω₂)r (ω₁ - ω₂)r (ω₁ - ω₂)2r ω₁.ω₂.r (ω₁ + ω₂)r (ω₁ - ω₂)r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The following is the inversion of slider crank chain mechanism Oscillating cylinder engine All of these Whitworth quick return mechanism Hand pump Oscillating cylinder engine All of these Whitworth quick return mechanism Hand pump ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a gear having involute teeth, the normal to the involute is a tangent to the Pitch circle Dedendum circle Base circle Addendum circle Pitch circle Dedendum circle Base circle Addendum circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero None of these Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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