Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by 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) P = W tan(α + φ) P = W cos(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole All of these Motion of a piston in the cylinder of a steam engine Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole All of these Motion of a piston in the cylinder of a steam engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Peaucellier’s mechanism Grasshopper mechanism Robert’s mechanism Watt’s mechanism Peaucellier’s mechanism Grasshopper mechanism Robert’s mechanism Watt’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁.D₂ D₁ D₁/D₂ D₂/D₁ D₁.D₂ D₁ D₁/D₂ D₂/D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft carrying three rotors will have No node Two nodes Three nodes One node No node Two nodes Three nodes One node ANSWER DOWNLOAD EXAMIANS APP
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