Theory of Machine A pantograph is a mechanism with Turning pairs Rolling pairs Higher pairs Lower pairs Turning pairs Rolling pairs Higher pairs Lower pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tan(φ + α) T = W.r tanα T = W.r tanφ T = W.r tan(φ - α) T = W.r tan(φ + α) T = W.r tanα T = W.r tanφ T = W.r tan(φ - α) 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 tan(φ - α) P = W cos(α + φ) P = W tan(α + φ) P = W tan(α - φ) P = W tan(φ - α) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Structure Inversion Machine Compound mechanism Structure Inversion Machine Compound mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The length of a simple pendulum which gives the same frequency as the compound pendulum, is kG² + l₁ kG + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ kG² + l₁ kG + l₁ (kG + l₁²)/ l₁ (kG² + l₁²)/ l₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Ball and socket joint Ball bearing and roller bearing Lead screw of a lathe Bolt and nut Ball and socket joint Ball bearing and roller bearing Lead screw of a lathe Bolt and nut ANSWER DOWNLOAD EXAMIANS APP
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