SECOND YEAR ( SEM - III ) MODULE - V : UPS , Batteries

Quiz

 

1. what is the full form of ups ?
   1.   uninterruptible power supply
   2.   unwanted power supply
   3.   unused power supply
   4.   uninstall power supply
2. which is provides uninterrupted power to the load ?
   1.   smps
   2.   ups
   3.   rectifier
   4.   regulator
3. what is the function of relays in ups ?
   1.   voltage increase
   2.   voitage decrease
   3.   electrically operate switch
   4.   current decrease
4. what is the measured unit of ups output rating ?
   1.   voltage
   2.   amphere
   3.   volt ampere
   4.   farad
5. which one is used for to smooth out and filter fluctuations in voltage in ups ?
   1.   bettery
   2.   relay
   3.   electrolytic capacitor
   4.   fans
6. what is the life expectancy of battery in ups ?
   1.   10-20 years
   2.   5-10 years
   3.   8-10 years
   4.   3-5 years
7. what is the full form of mov in ups ?
   1.   main oxide varistors
   2.   metal oxide voltage
   3.   metal oxide varistors
   4.   metal oxide value
8. which is most commonly used battery type in a ups ?
   1.   dry cell
   2.   flat cell
   3.   round cell
   4.   valve -regulated lead acid battery
9. what is the ambient temperature for the rated capacity of a ups battry ?
   1.   25'c
   2.   25'f
   3.   10'c
   4.   10'f
10. which one is general category of modern ups system ?
    1.   serious ups
    2.   netutral ups
    3.   line interactive ups
    4.   extreme ups
11. what is the full form of smf battary ?
    1.   special multi free
    2.   sealed maintenance free
    3.   special mains free
    4.   sealed multi free
12. what is the full form of eol in ups ?
    1.   lnital of life
    2.   earning of life
    3.   expert of life
    4.   end of life
13. which in used i the rotating type ups system to supply the mains ?
    1.   altermator
    2.   dc moniter
    3.   dc generator
    4.   battery bank
14. what is the minimum time period for check water level of the battry ?
    1.   every 50 days
    2.   every 15 days
    3.   every 5 days
    4.   every 30 days
15. what is the efficiency of standby ups type ?
    1.   high
    2.   very high
    3.   low
    4.   low - medium
16. which battry do not require any kind of regular maintenance ?
    1.   automobile batteries
    2.   lead acid batteries
    3.   smf batteries
    4.   nickel-cadmium batteries
17. which is used for checked by battery capacity ?
    1.   electric tester
    2.   neon tester
    3.   volt meter
    4.   load tester
18. which is affected by irregular maintenance ?
    1.   battery
    2.   relay
    3.   fan
    4.   capacitor
19. which test is used to ascertain whether the battery plates are defective ?
    1.   opan volt test
    2.   cadmium test
    3.   high discharge test
    4.   specific gravity te
20. what is the character must be a battery electrode ?
    1.   a semi conductor
    2.   an insulator
    3.   a good conductro
    4.   a bad cond
21. which primary cell have the lowest voltage ?
    1.   lithium
    2.   zinc chloride
    3.   mercury
    4.   carbon zinc
22. which is used in electrolytes, to prevent local action in battery ?
    1.   pump water
    2.   distilled water
    3.   tap water
    4.   mineral water
23. which is the example of battery back up ?
    1.   cpu
    2.   ups
    3.   smps
    4.   electrolyte
24. what is the backup duration for 600 va ups ?
    1.   5 to 10 minites
    2.   1 to 5 minites
    3.   15 to 20 minites
    4.   30 to 45 minites
25. what is the battery back up ?
    1.   to increase memory
    2.   to reduce the memory
    3.   to provide additional memory
    4.   to provide continuous power