For the following questions answer them individually
Which of the following statements is not true for couplings ?
The sum of the tensions when the belt is running on the pulley is
A steel bar is fixed at both ends. If the bar is heated, it will develop
For a screw, the angle of helix ($$\alpha$$) is related to the lead (L) and mean screw thread diameter (d) as
A slider crank chain is a four bar linkage consisting of
In wheel and differential axle, the velocity ratio is given by
In a hartnell governor, 800 N force is exerted on the sleeve at minimum radius and 1200 N force is exerted at minimum radius. If slleve lift is 20 mm, the value of spring stiffness (S) is
The minimum and minimum speeds of a flywheel during a cycle are $$N_{1} and N_{2}$$ r.p.m. respectively. The coefficient of steadiness of the flywheel is