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Question

The Normal Boiling Point (NBP) of ammonia is

The correct answer is

-33.3°C

Ammonia boils at approximately −33.3°C at the normal atmospheric pressure of 101.325 kPa (1 atm). The normal boiling point is the temperature at which its vapour pressure equals 1 atm.

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Important Questions from Refrigerants

  1. In Lithium-Bromide refrigeration system, Lithium-Bromide is used as

  2. The condenser and evaporator tubes in a Freon refrigeration plant are made of _____.

  3. Improper flaring is directly related with _______.

  4. When retrofitting a CFC-12 system to an HFC-134a system, Which two items must be installed or replaced?

  5. Freon group of refrigerant are ________

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