SSC JE Mechanical Engineering 2013
Instructions
For the following questions answer them individually
Question 104
For a screw, the angle of helix ($$\alpha$$) is related to the lead (L) and mean screw thread diameter (d) as
Question 108
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
Question 109
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
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