Theory of Machine Lower pairs are those which have Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A universal joint is an example of Sliding pair Rolling pair Higher pair Lower pair Sliding pair Rolling pair Higher pair Lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force The reaction on me inner wheels increases and on the outer wheels decreases The reaction on the rear wheels increases and on the front wheels decreases The reaction on the front wheels increases and on the rear wheels decreases The reaction on the outer wheels increases and on the inner wheels decreases The reaction on me inner wheels increases and on the outer wheels decreases The reaction on the rear wheels increases and on the front wheels decreases The reaction on the front wheels increases and on the rear wheels decreases The reaction on the outer wheels increases and on the inner wheels decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple train of wheels, the velocity ratio __________ the intermediate wheels. Either A or B Is independent of None of these Depends upon Either A or B Is independent of None of these Depends upon ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω.(ω₁ - ω₂) All of these I.ω².CS 2.E.CS I.ω.(ω₁ - ω₂) All of these I.ω².CS 2.E.CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Frequency of vibrations is usually expressed in None of these Number of cycles per second Number of cycles per minute Number of cycles per hour None of these Number of cycles per second Number of cycles per minute Number of cycles per hour ANSWER DOWNLOAD EXAMIANS APP
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