Theory of Machine A pantograph is a mechanism with Lower pairs Higher pairs Rolling pairs Turning pairs Lower pairs Higher pairs Rolling pairs Turning pairs 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(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) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Simple train of wheels Reverted gear train Compound train of wheels Epicyclic gear train Simple train of wheels Reverted gear train Compound train of wheels Epicyclic gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Longitudinal vibrations None of these Transverse vibrations Torsional vibrations Longitudinal vibrations None of these Transverse vibrations Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO. The acceleration of the piston P with respect to the crank-pin C is given by ω² × NO ω² × CN ω² × QN ω² × CO ω² × NO ω² × CN ω² × QN ω² × CO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Crankshaft and flywheel Flywheel and engine frame Piston rod and connecting rod Cylinder and piston Crankshaft and flywheel Flywheel and engine frame Piston rod and connecting rod Cylinder and piston ANSWER DOWNLOAD EXAMIANS APP