Interested to Buy Any Domain ? << Click Here >> for more details...
heat can flow from a body at low temperature to a body at
higher temperature only when ........ is supplied from an
external source
A). Voltage B). Current C). work D). Mass
- 7 Answers
- 9568 Views
- BMRCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / prasd
according to thermodynamic,the heat can flow from low
temperature to high temperature by external work. for
example air conditioner
| Is This Answer Correct ? | 22 Yes | 4 No |
Answer / ajeet
its "B" Electric...
Thermo electric devices do this. Thermo electric devices "pull heat" to one side and leave the other side cooler. Radiating the heat from the hot side causes the cool side to become cooler. Some computer heat-sinks are made from this stuff, DC powered drink coolers are often made from this. In inverse you can generate electricity by adding heat to one side and cooling it on the other, I think it's Mercedes that's experimenting with replacing alternators with this stuff.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / parth
the correct answer would be (d) mass.
see, when you put a hot iron rod in water, it will transfer
its heat to the water and cool down, without providing any
voltage, current or doing any work on it. the only thing
required is a sufficient amount of water. so sufficient
Mass of water is required.
| Is This Answer Correct ? | 3 Yes | 9 No |
IF HT CAPACITOR IN ON POSITION IS THERE ANY LOSSES I.S I SQURE OCCURS IN THE SYSTEM
why CRGO material used in transformer?
What is cross over distortion? How it can be eliminated?
types of transformers?
What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?
What is Mvar?how significant is in electrical energy transmission?
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?
What is the name of oil which is used in transformer?
how we findout a ignater is faulty or not?
The corona effect is more in a) summer b) winter c) dry weather d) humidity weather
what is the formula for calculating of dielectric strength of transformer oil.
-
Civil Engineering (5086) - Mechanical Engineering (4456)
- Electrical Engineering (16639)
- Electronics Communications (3918)
- Chemical Engineering (1095)
- Aeronautical Engineering (239)
- Bio Engineering (96)
- Metallurgy (361)
- Industrial Engineering (259)
- Instrumentation (3014)
- Automobile Engineering (332)
- Mechatronics Engineering (97)
- Marine Engineering (124)
- Power Plant Engineering (172)
- Textile Engineering (575)
- Production Engineering (25)
- Satellite Systems Engineering (106)
- Engineering AllOther (1379)
