Theory of Machine The number of links in pantograph mechanism is equal to 5 2 3 4 5 2 3 4 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(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of 2 mm 3.0 mm 2.22 mm 2.50 mm 2 mm 3.0 mm 2.22 mm 2.50 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used For increasing velocity ratio For applying tension For changing the direction of motion of the belt All of the listed here For increasing velocity ratio For applying tension For changing the direction of motion of the belt All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon All of these Offset between center lines of cam and follower Angle of ascent Lift of follower All of these Offset between center lines of cam and follower Angle of ascent Lift of follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of descent of cam is defined as the angle Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position ANSWER DOWNLOAD EXAMIANS APP
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