Naukari4u

Naukari4u

LHB TL & AC MCQ (106-130)
  1.  What is the Efficiency of Emergency Battery Charger (of REBC)?
  1. ≥ 80% @ Full Load
  2. ≥ 85% @ Full Load
  3. ≥ 90% @ Full Load
  4. ≥ 95% @ Full Load
Show Answer
Correct Answer » ≥ 90% @ Full Load

 

  1.  What is the voltage setting for the input AC under-voltage protection?
  1.  280 ± 5V AC
  2.  300 ± 5V AC
  3. 320 ± 5V AC
  4. 380 ± 5V AC
Show Answer
Correct Answer » 300 ± 5V AC

 

  1.  What is the voltage setting for the input AC over-voltage protection?
  1. 430 ± 5 V
  2. 450 ± 5 V
  3. 480 ± 5 V
  4. 460 ± 5 V
Show Answer
Correct Answer » 480 ± 5 V

 

  1.  What is the voltage setting for the output over-voltage protection?
  1. 120 ± 2 V DC
  2. 130 ± 2 V DC
  3. 136 ± 2 V DC
  4. 140 ± 2 V DC
Show Answer
Correct Answer »136 ± 2 V DC

 

  1.  What is the Ampere setting for the Overload protection?
  1.  15+20% Amp.
  2.  20+20% Amp.
  3.  35+10% Amp.
  4.  35+20% Amp.
Show Answer
Correct Answer » 35+20% Amp.

 

  1. How many amperes three pole MCBs are installed for AC input protection?
  1. 10 Amp.
  2. 15 Amp.
  3. 20 Amp.
  4. 25 Amp.
Show Answer
Correct Answer » 20 Amp.

 

  1. Which fuses are installed for output protection?
  1. 20 Amp. HRC fuse
  2. 25 Amp. HRC fuse
  3. 30 Amp. HRC fuse
  4. 40 Amp. HRC fuse
Show Answer
Correct Answer »   40 Amp. HRC fuse

 

  1. How many volts set for the Input supply overvoltage?
  1. 240 +05% V
  2. 240 +10% V
  3. 240 +15% V
  4. 240 +20% V
Show Answer
Correct Answer » 240 +15% V

 

  1.  How many volts set for the Input supply under-voltage?
  1. 240- 05% V
  2. 240 – 10% V
  3. 240 – 15% V
  4. 240 – 20% V
Show Answer
Correct Answer »  240 – 15% V

 

  1. How many ampere single pole MCBs are installed for AC input protection?
  1. 10 Amp.
  2. 15 Amp.
  3. 20 Amp.
  4. 25 Amp.
Show Answer
Correct Answer » 20 Amp.

 

  1. What is the current limit for Output?
  1. 10 Amps.
  2. 15 Amps.
  3. 20 Amps.
  4. 24 Amps.
Show Answer
Correct Answer »  24 Amps.

 

  1. What is the rating of the control Transformer used for the Mobile/laptop charger circuit?
  1. 1 kVA
  2. 2.5 kVA
  3. 3 kVA
  4. 5 kVA
Show Answer
Correct Answer »  2.5 kVA

 

  1.  What is the input voltage of the control Transformer used for the Mobile/laptop charger circuit?
  1. 110 V AC
  2. 230 V AC
  3. 415 V AC
  4. 750 V AC
Show Answer
Correct Answer » 230 V AC

 

  1. What is the Lighting circuit operating Voltage?
  1. 12 V DC
  2. 24 V DC
  3. 110 V DC
  4. 110 V AC
Show Answer
Correct Answer » 110 V DC

 

  1.  What is the type of Toilet exhaust fans used in the LHB AC coach?
  1. Single inlet centrifugal type
  2. Double inlet centrifugal type
  3. Radial type
  4. None
Show Answer
Correct Answer » Double inlet centrifugal type
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LHB TL & AC MCQS
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