Theory of Machine Governor is used in automobile to Decrease the variation of speed Limit the vehicle speed Maximize the fuel economy Maintain constant engine speed Decrease the variation of speed Limit the vehicle speed Maximize the fuel economy Maintain constant engine speed 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, if N coincides with O, then Acceleration of the piston P is zero and its velocity is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum Acceleration and velocity of the piston P is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration and velocity of the piston P is maximum Acceleration and velocity of the piston P is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Equal to sum of other two Greater than sum of other two Less than sum of other two There is no such relationship Equal to sum of other two Greater than sum of other two Less than sum of other two There is no such relationship ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a link connecting double slider crank chain traces a Hyperbola Circle Parabola Ellipse Hyperbola Circle Parabola Ellipse ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the addenda on pinion and wheel is such that the path of approach and path of recess are half of their maximum possible values, then the length of the path of contact is given by (where r = Pitch circle radius of pinion, R = Pitch circle radius of wheel, and φ = Pressure angle) [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 [(r + R) sinφ]/2 [(r² + R²) cosφ]/2 [(r + R) cosφ]/2 [(r² + R²) sinφ]/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A foot step bearing and rotor of a vertical turbine form examples of Successfully constrained motion Completely constrained motion Incompletely constrained motion Partially constrained motion Successfully constrained motion Completely constrained motion Incompletely constrained motion Partially constrained motion ANSWER DOWNLOAD EXAMIANS APP