WorksheetsTraction control
Total questions: 10
Worksheet time: 5mins
Which of the following is an advantage of electric traction over other methods of traction ?
(a) Faster acceleration
(b) No pollution problems
(c) Better braking action
(d) All of the above
Which of the following is the voltage for single phase A.C. system ?
(a) 230 V
(b) 440 V
c) 5 kV
(d) 15 kV
Long distance railways use which of the following ?
(a) 200 V D.C.
(b) 25 kV single phase A.C.
(c) 25 kV two phase A.C.
(d) 25 kV three phase A.C.
The speed of a locomotive is controlled by
(a) flywheel
(b) gear box
(c) applying brakes
(d) regulating steam flow to engine
In India diesel locomotives are manufactured at
(a) Ajmer
(b) Varanasi
(c) Bangalore
(d) Jamalpur
_______ locomotive has the highest operational availability.
(a) Electric
(b) Diesel
(c)Steam
(d)All the above
Which of the following drives is suitable for mines where explosive gas exists ?
(a) Steam engine
(b) Diesel engine
(c) Battery locomotive
(d) Any of the above
In tramways which of the following motors is used ?
(a) D.C. shunt motor
(b) D.C. series motor
(c) A.C. three phase motor
(d) AC. single phase capacitor start motor
Electric locomotives in India are manufactured at
(a) Jamalpur
(b) Bangalore
(c) Chittranjan
(d) Gorakhpur
Specific energy consumption becomes
(a) more on steeper gradient
(b) more with high train resistance
(c) less if distance between stops is more
(d) all of the above
