Hvac exam questions - Study guides, Class notes & Summaries

HVAC EXAM QUESTIONS AND ANSWERS

BOMA-HVAC Exam Questions With Verified Solutions In an A/C system where air comes from both a hot duct and a cold duct that is supplied from a mixing terminal is called - answerA dual duct system An A/C system in which the zone control is obtained by mixing hot and cold air at the unit in response to a room thermostat is called a - answerMultizone system Heating and cooling load calculations take the _______________ into consideration. - answerSensible heat and latent heat Which of the f...

HVAC Excellence - ELECTRICITY Exam Questions and Answers Already Passed Current flow is: The flow of electrons in the circuit. Impedance is: Opposition to alternating current flow. Like charges; repel each other. Any material that will readily release electrons is called; A conductor The symbol for current is; I Which of the following materials would be best suited for use as a semi-conductor? silicon The safety ground conductor is usually color coded; green or bare. An ...

Electricity for HVAC Exam Questions and Answers All Correct What does NEC stand for? - Answer-National Electric Code What is Ampacity? - Answer-The current carrying capacity of wire or cable expressed in amperes or amps. What is EMF? - Answer-Electromotive Force (volts) What is Amperage? - Answer-The measurement of electrical flow in a conductor. You check volts in parallel or series? - Answer-parallel You check amps in parallel or series? - Answer-series What is Voltage? - An...

Boma hvac Exam Questions With Verified Solutions What happens when room temperature soda is poured into a glass of ice ? - answerThe ice melts because it is absorbing heat from the soda . The compressor in a refrigeration system - answerpumps the refrigerant throughout the system To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . - answerpressure differential switch The total pressure of a confined mixture of gases is the sum of the pressures of...

BOMA – HVAC Exam Questions And Revised Correct Answers Two basic categories of chillers are the ANSWER : compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation ANSWER : circulation The primary function of an expansion device is to ANSWER : produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far e...

ASD Exam Questions With 100% Correct Answers 2023 Category 1 - Correct Answer-Category of Water that originates from sanitary water source (Clean) Catetroy 2 - Correct Answer-Category of Water that is contaminated; may cause discomfort or sickness (Grey) Category 3 - Correct Answer-Category of Water that is grossly contaminated; includes toxins, pathogens Special Situation - Correct Answer-Regulated or hazardous materials Class 1 - Correct Answer-Class of water that has least amount...

Hvac Exam Questions With Verified And Updated Solutions. The coolant bypass solenoid valve provides a second path for coolant to flow between the engine block and the: - answerThermostat housing The heater core is an air to liquid heat exchanger similar to a radiator. - answerfalse the 1.6l gtdi engine uses the no-flow coolant strategy in the engine block to: - answerBoth a and b on vehicles equipped with the auto start-stop feature, such as the 2014 fusion, the cabin heater coolant pump...

HVAC Gas Heat certification exam Questions and Answers 100% Pass A gas furnace is to be installed in a garage. The national standards require that the burners and ignition sources must be located ______ above the floor - Correct Answer ️️ -18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is - Correct Answer ️️ -Temperature on- temperature off Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut o...