Theory of Machine One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring) 2π. √(g/δ) 1/2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) 2π. √(g/δ) 1/2π. √(g/δ) 1/2π. √(δ/g) 2π. √(δ/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Remain same Increases Decreases None of these Remain same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Turning its upside down Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Obtained by fixing different links in a kinematic chain Turning its upside down Obtained by reversing the input and output motion Changing of a higher pair to a lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam and follower is an example of Rolling pair Higher pair Lower pair Sliding pair Rolling pair Higher pair Lower pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be To raise the bow and lower the stern To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow To raise the bow and lower the stern To lower the bow and stern To raise the bow and stern To raise the stern and lower the bow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gears, interference takes place when Pitch of the gears is not same Gear teeth are undercut Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles Pitch of the gears is not same Gear teeth are undercut Gears do not move smoothly in the absence of lubrication The tip of a tooth of a mating gear digs into the portion between base and root circles ANSWER DOWNLOAD EXAMIANS APP
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