LHB TL & AC MCQ (136-150) |
- What is method adopted to keep the cells Voltage in uniform condition?
- Boost charging
- Normal charging
- Equalizing charging
- Trickle charging
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Correct Answer » Equalizing charging
- What are the means of Boost charging and with what capacity charging is done?
- 1/2th of rated current for 5 Hours
- Higher rate for short period @ 2.25 V/cell
- Rated current for 1 hour
- None of the above
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Correct Answer » Higher rate for short period @ 2.25 V/cell
- What is the charging current for boost charging?
- 1.5 X normal charge rate
- 2 times the normal current
- 2.5 times the normal current
- 3 times the normal current
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Correct Answer » 1.5 X normal charge rate
- What is the voltage per cell maintained for float charging?
- 1.8 V/cell at constant potential mode
- 2.0V/cell at constant potential mode
- 2.2V/cell at constant potential mode
- 2.4V/cell at constant potential mode
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Correct Answer » 2.4V/cell at constant potential mode
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- What is the capacity of the battery is expressed in?
- Ampere hours
- Watts
- Watt -Hours
- Horse Power
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Correct Answer » Ampere hours
- What are the modes of charging a Lead Acid Battery?
- Constant potential mode
- Constant current mode
- Both A&B
- None of the above
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Correct Answer »
- Constant potential mode
- Constant current mode
- What is the full form of VRLA?
- Valve Regulated Lead Acid Cell
- Valve released lead Acid Cell
- Valve Regulated Low Acid Cell
- None of the above
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Correct Answer » Valve Regulated Lead Acid Cell
- What is the working principle of the VRLA battery?
- Pressure release
- Hydrogen recombination
- Oxygen recombination
- None of the above
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Correct Answer » Oxygen recombination
- What else is a VRLA battery called?
- Maintenance-free batteries
- Sealed maintenance-free (SMF) Cell
- Sealed Cell
- None of the above
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Correct Answer » Sealed maintenance-free (SMF) Cell
- To increase the voltage of the battery, cells are connected in
- Series
- Parallel
- Series/Parallel
- None of the above
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Correct Answer » Series
- What is the main purpose for providing the battery bank?
- Alternator Voltage is fluctuating
- Supply to the coach in case of feeder supply failure.
- Battery Voltage is constant
- None of the above
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Correct Answer » Supply to the coach in case of feeder supply failure.
- What is the applied with cell connecter to prevent sulphation?
- Paint
- Kerosene
- Grease
- Petroleum jelly
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Correct Answer » Petroleum jelly
- What is the method of charging recommended for VRLA batteries?
- Constant current
- Constant voltage
- Constant Voltage Constant Current
- None of the above
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Correct Answer » Constant Voltage Constant Current
- What is the open-circuit voltage of the battery bank used for AC Coaches with VRLA battery?
- 100 V
- 105 V
- 115V
- 130 V
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Correct Answer » 115V
- What is the Speed potential of a power car coach?
- 140 kmph.
- 160 kmph.
- 180 kmph.
- 200 kmph.
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Correct Answer » 160 kmph.
LHB TL & AC MCQS |
- LHB TL & AC MCQ (1-15)
- LHB TL & AC MCQ (16-30)
- LHB TL & AC MCQ (31-45)
- LHB TL & AC MCQ (46-60)
- LHB TL & AC MCQ (61-75)
- LHB TL & AC MCQ (76-90)
- LHB TL & AC MCQ (91-105)
- LHB TL & AC MCQ (106-120)
- LHB TL & AC MCQ (121-135)
- LHB TL & AC MCQ (136-150)
- LHB TL & AC MCQ (151-170)
- LHB TL & AC MCQ (171-190)
- LHB TL & AC MCQ (191-210)
- LHB TL & AC MCQ (211-230)
- LHB TL & AC MCQ (231-250)
- LHB TL & AC MCQ (251-270)
- LHB TL & AC MCQ (271-285)