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HVAC Metering Devices Exam Questions with Answers The piping between the condenser and the metering device is called? A Suction line B Discharge line C Expansion line D Liquid line - Answer-D Liquid line Which component is NOT a type of metering device? A Capillary tube B Bare tube C Automatic expansion valve D Thermostatic expansion valve - Answer-B Bare tube The diagram of an automatic expansion valve separates the atmospheric pressure and the system pressure. A True B False - ...

HVAC FINAL EXAM QUESTIONS AND ANSWERS ALL CORRECT Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure - Correct Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - Removing heat from the room. The four types of cooling mechanisms are: - Evaporative, Thermoelectric, Absorption, Mechani...

HVAC Exam Questions with Correct Answers What is the difference between the Oxygen we breath and the ozone in the earths stratosphere - Answer-Ozone is a form of oxygen, with each molecule consisting of three atoms of oxygen O3 , The oxygen we breath contains two atoms, O2 Describe the difference between good and bad ozone - Answer-Good Ozone like the stratosphere protects the earth from harmful ultraviolet rays from the sun, Bad Ozone, Like the Troposphere is considered unwanted ozone bec...

HVAC Exam Questions with Correct All Answers An electric heating unit in a duct system is classified as a - Answer-forced draft convector Radiant heat is transferred by? - Answer-infrared rays The limit switch is used on the electric element assembly to - Answer-open the circuit to the element if the furnace overheats Technician "A" says that a fusible link can be jumped out temporarily to allow the customer to get heat until the next business day. Technician "B" says that if the...

HVAC Exam Questions with All Correct Answers The refrigerant in a condenser in a refrigeration system . - Answer-rejects heat The condenser in a refrigeration system . - Answer-Answer: All of the above A normally operating water-cooled condenser is operating with a 10°F differential between water in and water out. If scale forms on the water tubes and the entering water is 85°F, which of the following is possible? - Answer-d. Both a and b are correct. a. The outlet water temper...

HVAC Electricity Exam Questions with Correct Answers Amp Rating and Breaker size for - #14, #12, #10, #8, #6, #3 - Answer-14-15,15 12-20,20 10-30,30 8-45,40 6-65,60 3-105,100 Residential lighting and receptacle circuits use what type of wire? - Answer-14-2 AWG (14-gauge, 2-wire, plus bond) conductors Ampacity - Answer-The amount of current a conductor is rated to handle safely. NMD - Answer-Non-metallic-sheathed cable(dry) - for exposed wiring in dry or damp locations NMW - A...

HVAC Electrical Test Questions with Correct Answers Current flow is - Answer-the flow of electrons in the circuit impedance is - Answer-opposition to alternating current flow like charges - Answer-repel each other Any material that will readily release electrons is called - Answer-a conductor the symbol for current is - Answer-I Which of the following materials would best be suited for use as a semi-conductor - Answer-silicone the safety ground conductor is usually color cod...

HRM 361 Final Test Questions with Correct Answers (1) Total rewards - Answer-monetary and nonmonetary rewards provided by companies to attract, motivate, and retain employees; pay and benefits Federal/state minimum wage laws - Answer-Fair Labor Standards Act (FLSA): primary federal law affecting compensation which is enforced by the Wage and Hour Division of the U.S. Department of Labor; FLSA sets a minimum wage to be paid to a broad spectrum of covered employees. Congressional action must ...

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HVAC Electrical Test Questions with All Correct Answers There are four principle Electrical Quantities: - Answer-1. Voltage reped by E 2. Amperage reped by I 3. Wattage reped by P 4. Ohms reped by R Ohm's Law is expressed by the principle formula of - Answer-E/I*R The Power Formula is expressed by the principle formula of - Answer-P/I*E To determine the real power capability of an electrical service you must take into account - Answer-Phase, Voltage, and Amperage Having Sub-pa...