Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ/cos β μ₁ = μ sin β μ₁ = μ cos β μ₁ = μ/sin β μ₁ = μ/cos β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate in longitudinal direction Torsional vibrations occur ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cam drive with uniform velocity follower, the sharp corners of the displacement diagram are rounded off at the beginning and at the end of each stroke. This is done Because of difficulty in manufacturing cam profile In order to have acceleration in beginning and retardation at the end of stroke within the finite limits Because of loose contact of follower with cam surface Because the uniform velocity motion is a partial parabolic motion Because of difficulty in manufacturing cam profile In order to have acceleration in beginning and retardation at the end of stroke within the finite limits Because of loose contact of follower with cam surface Because the uniform velocity motion is a partial parabolic motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of action of cam is defined as the angle Moved by the cam from beginning of ascent to the termination of descent Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from beginning of ascent to the termination of descent Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor. Remains constant None of the listed here Decreases Increases Remains constant None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body in motion will be subjected to Coriolis acceleration when that body is In plane motion which is a resultant of plane translation and rotation In plane translation with variable velocity In plane rotation with variable velocity Restrained to rotate while sliding over another body In plane motion which is a resultant of plane translation and rotation In plane translation with variable velocity In plane rotation with variable velocity Restrained to rotate while sliding over another body ANSWER DOWNLOAD EXAMIANS APP
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