Theory of Machine In gears, interference takes place when Gear teeth are undercut 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 Gears do not move smoothly in the absence of lubrication Gear teeth are undercut 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 Gears do not move smoothly in the absence of lubrication ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission of power from the engine to the rear axle of an automobile is by means of Worm and wheel method Crown gear Hooke's joint Compound gears Worm and wheel method Crown gear Hooke's joint Compound gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Can be used Can not be used Unpredictable None of these Can be used Can not be used Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector difference of radial component and tangential component Vector sum of tangential component and Coriolis component Vector sum of radial component and Coriolis component Vector sum of radial component and tangential component Vector difference of radial component and tangential component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = j + 4 l = (1/2).(j + 2) l = (2/3).(j + 2) l = (3/4).(j + 3) l = j + 4 l = (1/2).(j + 2) l = (2/3).(j + 2) l = (3/4).(j + 3) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) P = W tan(φ - α) P = W cos(α + φ) P = W tan(α - φ) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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