Theory of Machine The lower pair is a Point contact pair Sliding pair Open pair Closed pair Point contact pair Sliding pair Open pair Closed pair 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 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) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Flat faced follower Knife edge follower Roller follower Spherical faced follower Flat faced follower Knife edge follower Roller follower Spherical faced follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon Angle of ascent Offset between center lines of cam and follower Lift of follower All of these Angle of ascent Offset between center lines of cam and follower Lift of follower All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle Of rotation of the cam for definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for definite displacement of the follower Moved by the cam from the instant the follower begins to rise, till it reaches its highest position During which the follower returns to its initial position Through which the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The height of a Watt's governor is Inversely proportional to (speed)² Directly proportional to speed Inversely proportional to speed Directly proportional to (speed)² Inversely proportional to (speed)² Directly proportional to speed Inversely proportional to speed Directly proportional to (speed)² ANSWER DOWNLOAD EXAMIANS APP
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