A. more on steeper gradient
B. more with high train resistance
C. less if distance between stops is more
D. all of the above
Related Mcqs:
- The specific energy consumption of a train depends on which of the following ?
A. Acceleration and retardation
B. Gradient
C. Distance covered
D. All of the above - Specific energy consumption is least in ________________ service?
A. main line
B. urban
C. suburban - Specific energy consumption is affected by which of the following factors ?
A. Retardation and acceleration values
B. Gradient
C. Distance between stops
D. All of the above - _______________watt-hours per tonne km is usually the specific energy consumption for suburban services?
A. 15—20
B. 50—75
C. 120—150
D. 160—200 - When a pentavalent impurity is added to a pure semiconductor, it becomes________________?
A. An insulator
B. An intrinsic semiconductor
C. p-type semiconductor
D. n-type semiconductor - Energy consumption in propelling the train is required for which of the following?
A. Work against the resistance to motion
B. Work against gravity while moving up the gradient
C. Acceleration
D. All of the above - In case of a steam engine an average coal consumption per km is nearly________________?
A. 150 to 175 kg
B. 100 to 120 kg
C. 60 to 80 kg
D. 28 to 30 kg - Which of the following uses electric energy and does not convert it into any other form ?
A. transformer
B. motor
C. D.C generator
D. A.C generator - capacitor is to have an energy content of 20J it must be placed across a potential difference of________________?
A. 4 volts
B. 9 volts
C. 2 volts
D. 1 vol - In a charged capacitor the energy resides in________________?
A. magnetic hield
B. electric field
C. nuclear field
D. gravitational field
