A. plugging
B. mechanical braking
C. regenerative braking
D. rheostatic braking
Related Mcqs:
- Battery operated scooter for braking uses________________?
A. plugging
B. mechanical braking
C. regenerative braking
D. rheostatic braking - Battery operated trucks are used in________________?
A. steel mills
B. power stations
C. narrow gauge traction
D. factories for material transportation - Which of the following braking systems on the locomotives is costly ?
A. Regenerative braking on electric locomotives
B. Vacuum braking on diesel locomotives
C. Vacuum braking on steam locomotives
D. All braking systems are equally costly - Which of the following is the advantage of electric braking ?
A. It avoids wear of track
B. Motor continues to remain loaded during braking
C. It is instantaneous
D. More heat is generated during braking - Which of the following braking systems is used on steam locomotives ?
A. Hydraulic system
B. Pneumatic system
C. Vacuum system
D. None of the above - The braking retardation is usually in the range__________________?
A. 0.15 to 0.30 km phps
B. 0.30 to 0.6 km phps
C. 0.6 to 2.4 km phps
D. 3 to 5 km phps
E. 10 to 15 km phps - If a transistor is operated in such a way that output current flows for 60o of the input signal, then it is ______________ operation?
A. Class A
B. Class B
C. Class C
D. None of the above - The battery connections required to forward bias a pn junction are_________________?
A. +ve terminal to p and –ve terminal to n
B. -ve terminal to p and +ve terminal to n
C. -ve terminal to p and –ve terminal to n
D. None of the above - A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are___________?
A. 2 V, 4 V
B. 2 V, 2 V
C. 2 V, 6 V
D. 4 V, 6 V - The positive (+) and negative (-) ends of the battery are called ___________?
A. circuit diagram
B. battery knobs
C. battery terminals
D. battery sides
