A.40?C
B.60?C
C.20?C
D.50?C
Related Mcqs:
- Which of the following differences between water at the surface and the lower levels of the oceans is utilized in ocean thermal energy conversion (OTEC) systems?
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- A mercury water manometer indicates a gauge difference of 400 mm. The difference in pressure, measured in metres of water, is
- Minimum horsepower of pump required for filling 50m3 water tank, 20 metres high from ground in 30 minutes by lifting water from a well 5 metres below the ground level is
- Average surface temperature of Alantic Ocean between the parallels of latitude is:
- During the afternoon the greatest temperature difference between the surface air and the air several meters above occurs on a __________?
- A wall 50 mm thick (thermal conductivity k = 40 W/m?C) has temperature difference on two surfaces of 100?C. What could probably change if the temperature difference of this wall drops to 100?C
- For protection of acquatic life in a fresh water stream sewage effluent should never lower the dissolved oxygen content lower than
- The temperature of surface water of oceans is about 25C and it is 5?C at the depth of few hundred meters in the:
- A uniform steel rope 400 metres long is hung vertically. The weight of the steel is 7.8 gm/cm3 and D = 2100 kg/mm2. The ratio of elongation of first 150 metres to that of first 300 metres would be