Esco Studienführer, Klassennotizen & Zusammenfassungen

HVAC AIR CONDITION ESCO 2024 QUESTIONS WITH CORRECT DETAILED ANSWERS

ESCO ELECTRICAL TEST QUESTIONS WITH CORRECT DETAILED ANSWERS 2024.

HVAC Electrical Final Test Questions And Answers Split-phase motor PSC CSCR Shaded pole motor Resistance reading to ground from the terminal of a good compressor CSR Best starting and running single-phase compressor - ANS A. Uses a start and run winding B. Uses a run capacitor C. Uses a run capacitor, start capacitor, and potential relay D. Simplest motor E. 3 megohms F.Only uses a start capacitor

A new split system should be checked for leaks by; - ans-pressurizing the system with a few ounces of system refrigerant and an inert gas. If a leaking appliance with a regulated refrigerant is not going to be repaired, it must be; - ans-retrofitted or retired within 12 months. C When an appliance containing 50 pounds or more of a regulated refrigerant leaks refrigerant at an annual rate of 125% or more, what must be included on the leak inspections records? - ans-Initial veri...

Heat which causes a change in temperature of a substance is called - ans-Sensible Heat Heat added to a substance without a rise in temperature is called - ans-Latent Heat Heat added to refrigerant in a vapor state after the evaporation process is called - ans-Superheat A scroll compressor moved refrigerant by means of - ans-Involute spirals The movement of heat by way of fluid is called - ans-Convection The movement of heat through a solid object is called - ans-...

A room contains two fuel burning appliances. The total btu input of both appliances is 125,000 BTU's. How many cubic feet are required for the room NOT to be considered confined space? - ans-125,000/1000 = +50 6250 What is the maximum length of the flexible gas connector going to a furnace? - ans-6' Given: A 75,000 btu furnace with three burners and a recommended manifold pressure of 3.5 in W.C. What size should the orifices be if the furnace is installed in Salt Lake? - ans-...

using an ohmmeter, there is 120 VAC between high speed and ground wires, this indicates - ans-open if temperature rise is too high... - ans-increase fan speed how many of the 3 OSHA conditions defining confined spaces must be met - ans-all 3 what causes the temperature limit safety switch to shut off the burner - ans-fan motor failure flashback indicates - ans-the gas is flowing slower than the speed at which burn is occurring what type of connector is used to contr...

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 - ans-18 inches A good description of how a bi-metal fan switch operates the blower motor on a gas furnace is - ans-Temperature on- temperature off Redundant gas valves used on gas furnaces have - ans-Dual gas shut off seats Burning one cubic foot of liquefied petroleum gas completely will produce approximately ______ BTUs - ...