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Inessa05 [86]
4 years ago
13

In-car temperature is controlled in a variable displacement compressor system by varying the capacity of the _______________, no

t by cycling the _______________ on and off.
Physics
1 answer:
Paha777 [63]4 years ago
6 0

Answer:

In-car temperature is controlled in a variable displacement compressor system by varying the capacity of the <em>refrigeration</em> not by cycling the <em>compressor </em>on and off.

Explanation:

A Variable Displacement Compressor (VDC) works in a separate and rather more efficient manner than the fixed displacement compressor (FDC). <em>The VDC automatically regulates the cooling effect of the refrigerator by changing its pumping capacity by means of a "wobbling piston" system. </em>

<em></em>

During times of peak load, the refrigeration pumping capacity is increased, delivering a large flow rate of refrigerant, thus giving a high refrigerating effect. The reverse happens during times of load refrigeration load.

<em>The fixed compressor tries to vary the temperature of the car by simply switching off the compressor</em>, and turning it on during times of low and peak loads.

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Answer:

b. Paramagnetism

Explanation:

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8 0
3 years ago
. The inner and outer surfaces of a 4-m × 7-m brick wall of thickness 30 cm and thermal conductivity 0.69 W/m-K are maintained a
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Answer:

\frac{dQ}{dt} = 966 W

Explanation:

As we know that the rate of heat transfer due to temperature difference is given by the formula

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here we know that

K = 0.69 W/m-K

A = 4 m x 7 m

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temperature difference is given as

\Delta T = 20 - 5 = 15 ^oC

now we have

\frac{dQ}{dt} = \frac{(0.69W/m-K)(28 m^2)(15)}{0.30}

\frac{dQ}{dt} = 966 W

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3 years ago
Given a force of 100 N and an acceleration of 10 m/s², what is the mass?
Zielflug [23.3K]
F=ma
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