A IS TWICE AS GOOD A WORKMAN AS B AND TOGETHER THEY FINISH A
PIECE OF WORK IN 14 DAYS.THE NUMBER OF DAYS TAKEN BY A ALONE
TO FINISH THE WORK IS
1.11 2.21 3.28 4.42
- 3 Answers
- 14192 Views
- Ramky, I also Faced
- E-Mail Answers
Answer Posted / vaibhav kumar
28
| Is This Answer Correct ? | 8 Yes | 18 No |
Post New Answer View All Answers
-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.
How Calculet The UPS AH In Load
A 15 kw squirrel cage motor having a maximum efficiency of 90% on a continuous full load has temperature rise of 42 degrees celcius after 30 min and 52 degrees celcius after 1 hr under the above operation conditions. a) calculate its final steady state temperature rise on continuous load and the heating time constatnt. b) if the motor is operated on a short load for 9 min estimate its temperature rise. c) calculate the maximum overload that can be applied on a short, 9 min rating so that the temperature rise is the same as the final steady state temperature rise on continuous load.
Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??
What is UPS and How do you maintain the UPS Maintenance? Brief Description on UPS maintenance.
What is the use of oil in transformers?
what is method for testing CT
we specify current in case of feeder but in case of distributor voltage, why?
how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
What is pi controller?
What is the disadventage of gland earthing(power cable) if any. ?
if we give 60 hz single phase supply to the transformer used in europe , than what will happen
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
What are protections for dty type transformers
