1) Write down the factors that are affecting the schedule speed of a train.
2) Write down the difference between dead weight and accelerating weight of a locomotive?
3) What do you understand by tractive effort?
4) Write down the advantages of electric braking.
5) Why three phase traction system employing induction motors is now obsolete give reasons?
6) Write down the different types of braking methods.
7) Describe the current trends in AC traction systems?
8) Write down the advantages of pantographs?
9) (a) Draw the typical speed-time curve for (1) Main line service and to sub – urban services in electric Traction.
(b) Describe the mechanics of train movement in detail.
10)(a) What is multiple unit control in electric train and describe each one of them in detail?
(b) What are various braking systems and describe them in detail?