Question 11. A point on a connecting link (excluding end points) of a double slider crank mechanism traces a

Question 12. In which of the following type of gear train the first gear and the last gear are co-axial.

Question 13. The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Question 14. To obviate axial thrust, following gear drive is used

Question 15. Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

Question 16. The mechanism consisting of three turning pairs and one sliding pair, is called a

Question 17. In an ideal machine, the output as compared to input is

Question 18. In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient.

Question 19. The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length)

Question 20. 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 $$\omega $$ 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