Answer / reddy

unit less ( density of battery elctrolyte / water density)

Answer / shailendra singh

It is a unitless quantity like power factor. the specific
gravity of a fully charged battery is 1280.

Answer / purushmallya

Its unit less quantity

Answer / mounika

UNIT LESS

Answer / nitish mathur

gm/cm3

Answer / krishan kumar

all are correct.
1.unit less ( density of battery elctrolyte / water density)
2 Its unit less quantity
3 It is a unitless quantity like power factor. the specific
gravity of a fully charged battery is 1280.
4 UNIT LESS
5 gm/cm3
6 It is Kilogram per meter cube or kg/m3
7 unit of GRAVITY IS g = 9.8 m/s2

Answer / pravin mahajan

Its answer is unitless

Answer / ashok bhatnagar

It is Kilogram per meter cube or kg/m3

Answer / vijay

unit of GRAVITY IS g = 9.8 m/s2

ups and invertor battery selection chart and full formula

2 Answers   APC,

what is the formula for transformer oil?

1 Answers  

Classify the different types of load.

6 Answers  

On load tap changer (OLTC) explode? Transformer Vector group: Ynd11 Rated Power: 353MVA Rated Current: 693A Voltage:294/20KV OLTC Type: T III Y1000 110/c 12193w Max Operation Current: 295A Step Voltage: 550V Arrangement in Tx windings: Y Connection Problem: Damage of Unit 1 Generator Transformer On Load Tap Changer (OLTC) Description of Incident: 9.00 a.m. :- Generator No Load test on excitation system started 10.30 a.m :- Carried out AVR change over test 11.30 a.m :- Preparation for Generator Manual Synchronizing test 12.00 a.m :- Manual Synshronizing test started. Observed incoming generator voltage higher than running voltage. CECR operator operated Generator Transformer OLTC to bring down the incoming generator voltage 12.03 a.m :-Generator Transformer abnormal alarm operated at Gen.Control Desk (CECR) CECR operater at Generator transformer bay informed that the transformer oil splashed out from OLTC. CECR operater informed that he heard explosion inside OLTC. Observed Oil level & Oil Flow alaram operated at Tranformer local annunciator. 12.05 am :- CECR operator 'Open Gen Field Breaker” 12.10 a.m. :- Elec1 team inspected the OLTC and found the OLTC rupture disk was broken and oil spilled at OLTC area. - Elec1 found the OLTC top cover bulging. Do anyone know why and possibility cause happen in this OLTC.

9 Answers  

1)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?

1 Answers  

What Different of Ht Side VCB & SF6

2 Answers  

How to calculate the cable size for particular load

2 Answers   Knight Frank,

difference between dol and rdol startors?

2 Answers   Vijai Electricals,

What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

what is the difference between on line & off line UPS

3 Answers  

How much of the total hydro power potential has been exploited so far in india?

0 Answers  

explain transformer ct connection?

0 Answers