Refrigerants

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153105

120

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Which of the following refrigerants have the designation R-40

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153106

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Bromthymol blue is used to detect leaks in carbon dioxide systems. Which color indicates the presence of CO2?

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153108

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In testing for ammonia leaks, red litmus paper can be used. Which color will the paper turn if NH3 (ammonia) is present?

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153109

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How would you detect leaks in a CO2?

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153110

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Which of the following best describes the purpose of a Halide torch?

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153111

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When using a halide torch to test for a stronk leak in a Freon system the color of the flame will turn?

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153112

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Which of the following refrigerants will sublimate?

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153113

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Which of the following refrigerants are designated 718?

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153118

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For a given operating condition what can be said about the pressures of Ammonia and Freon-12?

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153120

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One of the following refrigerants has operating pressures that exceed 1000 PSIG?

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153121

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Which of the following best describes R-22?

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153122

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Which refrigerant does the number 744 designate?

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153124

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One of the disadvantages of using Carbon Dioxide is that it has a low critical temperature. Which of the following is closest to that value?

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153125

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Which of the following best describes the volume of a refrigerant, as its operating pressure decreases?

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153126

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Refrigerants

Question 1 of 1

Time Left

Which of the following refrigerants have the designation R-40

Select the correct answer(s).

(0/0)

Bromthymol blue is used to detect leaks in carbon dioxide systems. Which color indicates the presence of CO2?

Select the correct answer(s).

(0/0)

In testing for ammonia leaks, red litmus paper can be used. Which color will the paper turn if NH3 (ammonia) is present?

Select the correct answer(s).

(0/0)

How would you detect leaks in a CO2?

Select the correct answer(s).

(0/0)

Which of the following best describes the purpose of a Halide torch?

Select the correct answer(s).

(0/0)

When using a halide torch to test for a stronk leak in a Freon system the color of the flame will turn?

Select the correct answer(s).

(0/0)

Which of the following refrigerants will sublimate?

Select the correct answer(s).

(0/0)

Which of the following refrigerants are designated 718?

Select the correct answer(s).

(0/0)

For a given operating condition what can be said about the pressures of Ammonia and Freon-12?

Select the correct answer(s).

(0/0)

One of the following refrigerants has operating pressures that exceed 1000 PSIG?

Select the correct answer(s).

(0/0)

Which of the following best describes R-22?

Select the correct answer(s).

(0/0)

Which refrigerant does the number 744 designate?

Select the correct answer(s).

(0/0)

One of the disadvantages of using Carbon Dioxide is that it has a low critical temperature. Which of the following is closest to that value?

Select the correct answer(s).

(0/0)

Which of the following best describes the volume of a refrigerant, as its operating pressure decreases?

Select the correct answer(s).

(0/0)

Of the following thermal properties, which of the following is not desirable for a refrigerant?

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