Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 270° and 360° 90° and 180° 0° and 90° 135° and 315° 270° and 360° 90° and 180° 0° and 90° 135° and 315° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Rolling pair Sliding pair Turning pair Screw pair Rolling pair Sliding pair Turning pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too large Large Too small Small Too large Large Too small Small ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Incompletely constrained motion Completely constrained motion Freely constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Freely constrained motion Partially constrained motion ANSWER DOWNLOAD EXAMIANS APP
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