Industrial Maintenance Final Exam Review Questions with 100% Complete Solutions

series - Correct Answer A(n) ____ circuit is a circuit that has two or more components connected such that there is only one path for current flow. insulator - Correct Answer ____ is a material that has a high resistance. closed - Correct Answer A(n) ____ circuit is a circuit having a complete path for current flow. ground - Correct Answer A(n) ____ circuit is a conducting connection between electrical equipment and the earth. evaporator - Correct Answer A(n) ____ is a heat exchanger through which heat is transferred to the low-pressure refrigerant liquid. thermostat - Correct Answer A(n) ____ is a temperature sensor inside a temperature-controlled space that sends signals to a control system in order to maintain a set temperature. air-cooled - Correct Answer ____ condensers are the most common condensers used in refrigeration systems. latent - Correct Answer ____ heat is heat energy that causes a change of state but no temperature change. condenser - Correct Answer A(n) ____ is a heat exchanger that removes heat from high-pressure refrigerant vapor. recovery - Correct Answer Refrigerant ____ is the process of removing refrigerant from a system and capturing it in a recovery cylinder, with no cleaning of refrigerant. 15 - Correct Answer A low-pressure boiler is a boiler that has an MAWP of up to ____ psi. 34.5; 212 - Correct Answer A boiler horsepower is the power available from the evaporation of ____lb of water per hour at a feedwater temperature of ____F. 100,000 - Correct Answer A therm is a unit of heat energy equivalent to ____ Btu. true - Correct Answer T or F: A package boiler is preassembled at the factory. primary - Correct Answer ____ air is air in the combustion process that regulates the rate of combustion. heat - Correct Answer Grade is a coal classification related to size, ash, and ____.