Which of the following is the advantage of electric braking? It avoids wear of track More heat is generated during braking Motor continues to remain loaded during braking It is instantaneous TRUE ANSWER : ? YOUR ANSWER : ?
For 25 kV single phase system power supply frequency is 100 Hz 25 Hz 60 Hz 50 Hz TRUE ANSWER : ? YOUR ANSWER : ?
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when None of the listed here Wheel base of axles is more Both of the listed here Degree of curvature is more TRUE ANSWER : ? YOUR ANSWER : ?
The steam engine provided on steam locomotives is Single acting condensing type Double acting condensing type Single acting non-condensing type Double acting non-condensing type TRUE ANSWER : ? YOUR ANSWER : ?
The rate of acceleration on suburban or urban service is in the range 0.2 to 0.5 km phps 15 to 25 km phps 5 to 10 km phps 1.6 to 4.0 km phps TRUE ANSWER : ? YOUR ANSWER : ?
Specific energy consumption is least in _______ service. Urban None of the listed here Main line Suburban TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following state capitals is not on broad gauge track ? Bhopal Chandigarh Jaipur Lucknow TRUE ANSWER : ? YOUR ANSWER : ?
Specific energy consumption becomes More with high train resistance Less if distance between stops is more More on steeper gradient All of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Main traction systems used in India are, those using Diesel engine locomotives Steam engine locomotives Electric locomotives All of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
For three-phase induction motors which of the following is the least efficient method of speed control? Combination of cascade and pole changing Rheostat control Pole changing Cascade control TRUE ANSWER : ? YOUR ANSWER : ?