Theory of Machine Efficiency of a screw jack is given by tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam mechanism imparts following motion Reciprocating Rotating All of these Oscillating Reciprocating Rotating All of these Oscillating ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a flat collar pivot bearing, the moment due to friction is proportional to (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) (r₁³ - r₂³)/(r₁² - r₂²) (r₁² - r₂²)/(r₁ + r₂) (r₁³ - r₂³)/(r₁ - r₂) (r₁² - r₂²)/(r₁ - r₂) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of dwell of cam is defined as the angle 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 Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for definite displacement of the follower 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 Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system in dynamic balance implies that There will absolutely no wear of bearings The system is also statically balanced The system is critically damped There is no critical speed in the system There will absolutely no wear of bearings The system is also statically balanced The system is critically damped There is no critical speed in the system ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended ANSWER DOWNLOAD EXAMIANS APP
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