Theory of Machine The critical speed of a shaft depends upon its Stiffness and eccentricity Stiffness Mass and stiffness Mass Stiffness and eccentricity Stiffness Mass and stiffness Mass 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(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Crankshaft and flywheel Piston rod and connecting rod Cylinder and piston Flywheel and engine frame Crankshaft and flywheel Piston rod and connecting rod Cylinder and piston Flywheel and engine frame ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Along AO Perpendicular to OA At 45° to OA Parallel to OA Along AO Perpendicular to OA At 45° to OA Parallel to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Obtained by reversing the input and output motion Turning its upside down Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Obtained by reversing the input and output motion Turning its upside down ANSWER DOWNLOAD EXAMIANS APP
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