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HVAC Final Exam Electrical For Air Conditioning Accurate 100%(FULL SOLUTIONS PACK!!!)EXAM BUNDLEHVAC Final Exam Electrical For Air Conditioning Accurate 100%(FULL SOLUTIONS PACK!!!)EXAM BUNDLEHVAC Final Exam Electrical For Air Conditioning Accurate 100%(FULL SOLUTIONS PACK!!!)EXAM BUNDLEHVAC Final Exam Electrical For Air Conditioning Accurate 100%(

Evaporator Coil - ANSWER What component of an air conditioning system absorbs heat into the refrigerant Ventilation - ANSWER What does the V stand for in HVAC? Hot Surface Ignition - ANSWER What type of ignition is utilized by the furnaces in the shop? Air Conditioning - ANSWER What is the term for Refrigeration applied to the space temperature of a building? Electricity, L.P., Natural Gas - ANSWER What are the

True - ANSWER Copper wire bend easily, has good mechanical strength, resists corrosion, and can be easily joined. True - ANSWER Aluminum is a good conductor of electricity, however, it has a tendency to corrode. False - ANSWER Voltage drop in a conductor is of least importance when sizing wire. False - ANSWER The maximum recommended voltage drop for a branch circuit is eight percent. False - ANSWER The allowable voltage drop of most manufacturers is 15% below the nameplate rating. ...

Three tons of air conditioning is equal to how many BTUs? - ANSWER 36,000 The liquid line size is _______. - ANSWER 3/8" The discharge line should feel _____ to the touch. - ANSWER slightly warm The compressor should be on a level pad _____ inches above grade. - ANSWER 3 The electrical disconnect should be in direct line of sight and no more than ____ feet away from the compressor/condenser cabinet. - ANSWER 50 Insulation is wrapped around the: - ANSWER suction line Frost on t...

A listed smoke damper designed to resist the passage of smoke shall be provided at each point in a duct or air transfer opening penetrates a: (A)smoke barrier wall (B)fire rated wall (C)interior wall (D)corridor wall - ANSWER Corridor wall (IMC 607.5.4) Flexible air duct may be what length? (A)10' (B)2' (C)14' (D)6' - ANSWER 14' (IMC 603.6.1.1) The maximum vertical distance between the front lower lip of a canopy Type 1 hood and the appliance surface shall be ____ feet: (A)5' (B)3' ...

In a chiller, the refrigerant boils by ___________. - ANSWER absorbing heat from the water passing through it The four main components of a refrigeration system are - ANSWER compressor, condenser, evaporator, & metering device The difference between a contactor and a motor starter is: - ANSWER overload protection If refrigerant condenses at a temperature of 105 degrees F and the water leaves the condenser at a temperature of 95 degrees F, the ___________. - ANSWER condenser approach tem...

HVACR Practice Test Correct 100% What is the symbol for impedance? a. R b. I c. Z d. P - ANSWER z The safety ground conductor for A/C circuit is usually color coded ________. a. red b. green c. black d. white - ANSWER Green Resistance is _______. a. amperage b. electrical pressure c. opposition to current flow d. voltage applied to the circuit - ANSWER opposition to current flow How many watts of power are used by a heater operating at 480 volts and drawing 5 amps? a. ...

Defects on gas piping or fittings shall be _____.(A) repaired(B) replaced or repaired and retested(C) repaired by a certified welder(D) ignored, as the operating pressure is much less than the air test. - ANSWER B. Fitting shall be replaced or repaired and retested. UMC Section 1316.4.3 Every absorption refrigerating system supported from the ground shall rest on a concrete slab extending not less than _____ the adjoining ground level.(A) 3 inches below(B) 3 inches above (C) 6 inches below(D)...

In a (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: - ANSWER Operate at High Efficiency. What is one of the main reasons that reciprocating compressors are not 100% efficient? - ANSWER Clearance Volume A dirty evaporator and return air filters subsequently causes low evaporator pressures which will cause - ANSWER High Compression Ratios The automatic expansion valve (AEV) maintains a constant ______ in the evapor...

1. The correct way to short capacitor terminals before checking a capacitor with an ohmmeter is to use a _______ ohm resistor. - ANSWER 20,000 2. Fractionation occurs when __________ - ANSWER some of a blended refrigerant evaporates or condenses before the rest of the blend. 3. Refrigerant in vapor form is normally put into the system through the ______. - ANSWER suction line. 4. When charging a system with vapor refrigerant from a refrigerant cylinder, the cylinder will become ________...