LNG needs to be kept at what temperature to remain a liquid?
A) 32°F (0°C) B) 0°F (-18°C) C) -40°F (-40°C) D) -260°F (-127°C)
D
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When interpreting meter readings in autoranging mode ____________
A) Convert the reading prefix to base units if needed B) Note the prefix indicated by the meter C) Both A and B D) Neither A nor B
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What is the primary design challenge for CO2 refrigeration systems?
A) The high GWP of CO2 refrigerant B) CO2 refrigerant operates in a vacuum at low temperatures C) The high operating pressures of CO2 refrigerant D) The high refrigerant cost
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Explain restrictive or proprietary specifications
What will be an ideal response?
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Explain how a system's refrigeration effect can be determined
What will be an ideal response?
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