Basics Of Electricity ---- Being Power Distribution Products Like Mcbs/Mccbs By Legrand…

21 Questions | Total Attempts: 13

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Basics Of Electricity ---- Being Power Distribution Products Like Mcbs/Mccbs By Legrand - Quiz


Questions and Answers
  • 1. 
    1. What Is a meaning  of  AC  and DC in electricity ??
    • A. 

      Accerating Current

    • B. 

      Alternating Current

    • C. 

      Dilelectric Current

    • D. 

      Direct Current

  • 2. 
    2. Do we have AC or DC  at our home or Residential use?
    • A. 

      AC

    • B. 

      Both AC & DC

    • C. 

      DC

    • D. 

      None Of The Above

  • 3. 
    3. What is  Single Phase and Three Phase voltage levels in India??
    • A. 

      200/400 Volts

    • B. 

      180/390 Volts

    • C. 

      215/425 Volts

    • D. 

      250/480 Volts

  • 4. 
    4. Do Legrand has MCBs/ MCCBs suitable for AC and DC both application?
    • A. 

      True / Yes

    • B. 

      False / No

  • 5. 
    5. Do we select MCB as per Voltage rating or current rating?? 
    • A. 

      Only Voltage

    • B. 

      Only Current

    • C. 

      Both

    • D. 

      None Of The Above

  • 6. 
    6. Can we suggest DX3 AC MCB of Legrand  for DC application ? If yes/no then what will be its Voltage capacity for DC application?
    • A. 

      Yes

    • B. 

      No

    • C. 

      30V Dc

    • D. 

      40V Dc

    • E. 

      60V Dc

    • F. 

      80V Dc

  • 7. 
    7. Which type of protection MCB/MCCB offers in power line??
    • A. 

      High Voltage Tripping

    • B. 

      Low Voltage Tripping

    • C. 

      Low Current Tripping

    • D. 

      High Current Tripping

  • 8. 
    8. What is operating principle of MCB/MCCBs??
    • A. 

      Only Thermal

    • B. 

      Only Electronic

    • C. 

      Thermal/Electronic

    • D. 

      Thermal in MCB & Both in MCCB

  • 9. 
    9. According to operating principle which are two main type  of MCCBs in Legrand Range?
    • A. 

      Thermal MCCBs Only

    • B. 

      Electronic MCCBs Only

    • C. 

      Thermal/Electronic Both

    • D. 

      Thermal upto 1250A & Electronic upto 1600A

  • 10. 
    10. What is a accesory or part name used to get signal about position of  MCB and MCCB ?
    • A. 

      Undervoltage Coil

    • B. 

      Auxillary Contact

    • C. 

      Shunt Coil

    • D. 

      Aux/Fault Signaling Contact

  • 11. 
    11. How many frame sizes of DPX3 MCCBs do Legrand have ??  
    • A. 

      3 Size

    • B. 

      7 Size

    • C. 

      4 Size

    • D. 

      5 Size

  • 12. 
    12. What are different current ratings available in Legrand DPX3 MCCBs??    a) What is minimum Current rating ? [Blank] b) What Is Maximum Current rating?? [Blank]  
  • 13. 
    13. What do we mean by SP/SPN ?
    • A. 

      Separate pole /Separate Neutral

    • B. 

      Single Pole/ Single Pole without Neutral

    • C. 

      Single Pole /Single pole with advanced Neutral

    • D. 

      Side Pole/ Side pole with advanced Neutral

    • E. 

      None of the above

  • 14. 
    14. What are 3-5 USPs of LEGRAND MCBs ? A)[Blank] B)[Blank] C)[Blank] D)[Blank] E)[Blank]
  • 15. 
    15. Do legrand have Motorised MCB/MCCB??
    • A. 

      True / Yes

    • B. 

      False / No

  • 16. 
    16. DO Legrand has Drawout MCCB??  Which are applications of use of D/O MCCBs ??
    • A. 

      True / Yes

    • B. 

      False / No

  • 17. 
    17. What is use of Auxiliaries in MCB/MCCB? 4 uses minimum A)[Blank] B)[Blank] C)[Blank] D)[Blank]
  • 18. 
    18. What do we mean for   ICU  and ICS  in MCB/MCCB? 
    • A. 

      Useful current ICU/ Short current ICS

    • B. 

      Ultimate current/ Short Circuit current

    • C. 

      Ultimate Breaking Capacity/ Service Breaking Capacity    

    • D. 

      Inrush Current useful limit( ICU)/ Inrush Current Service limit( ICS)

  • 19. 
    19. How many times  Breaker is tested on fault current for ICU test?
    • A. 

      1

    • B. 

      3

    • C. 

      4

    • D. 

      2

  • 20. 
    20. How many Times Breaker is tested on fault current for  ICS  Test ?
    • A. 

      1

    • B. 

      3

    • C. 

      4

    • D. 

      2

  • 21. 
    21. How many operating Handles do Legrand has for MCCB with IP degree ?
    • A. 

      Only Direct Handle

    • B. 

      Direct & Very Depth Handel

    • C. 

      Only Very Depth

    • D. 

      No Handels availabe for offer for IP Protection use

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