An ideal vapor-compression heat pump cycle using R-134a is used to heat a house. The insidetemperature is 22°C, the outside temp
erature is 0°C. Saturated vapor at 2.2 bar enters thecompressor, saturated liquid leaves the condenser at 8 bar. The mass flow rate is 0.2 kg/s.
Calculate:
(a) the power input to the compressor, in kW.
(b) the coefficient of performance.
Calculate:
(a) the power input to the compressor, in kW.
(b) the coefficient of performance.
1 answer:
Answer:
(a) The power input to the compressor= 3.47 KW
(b) The coefficient of performance=9.90
Explanation:
The solution and complete explanation for the above question and mentioned conditions is given below in the attached document.i hope my explanation will help you in understanding this particular question.
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Answer:
The settlement that is expected is 1.043 meters.
Explanation:
Since the pre-consolidation stress of the layer is equal to the effective stress hence we conclude that the soil is normally consolidated soil
The settlement due to increase in the effective stress of a normally consolidated soil mass is given by the formula
where
'H' is the initial depth of the layer
is the Compression index
is the inital void ratio
is the initial effective stress at the depth
is the change in the effective stress at the given depth
Applying the given values we get