3 years ago

True or false? Shops can mix refrigerants

Engineering

1 answer:

Naya [18.7K]3 years ago

4 0

Answer:

True

Explanation:

It is legal to mix refrigerants but it depends on the shop whether they mix or not refrigerants

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Which of the following can minimize engine effort in save fuel

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Answer:

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How to Save Fuel

Keep your vehicle's engine in good condition.

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3 years ago

Read the following statement.

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A 2-m^3 rigid tank contains nitrogen gas at 500kPa and 300K. Now the gas is compressed isothermally to a volume of 0.1 m. The wo

stira [4]

Answer:

(d) 2996 kJ

Explanation:

We have given initial volume $v_1=2m^3$

initial pressure $p_1=500\ kPa$

initial temperature $T_1=300\ K$

we know that during isothermal process the work done is given by

$W=p_1v_1ln\frac{v_2}{v_1}$

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putting all these value in formula of work done

$W=500\times 2\times ln\frac{0.1}{2}$

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so wok done =2995.8 kJ

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3 years ago