Hvac test - Study guides, Class notes & Summaries

HVAC Pretest BOMA ACTUAL EXAM| TEST PREPARATION QUESTIONS WITH VERIFIED SOLUTIONS| LATEST AND COMPLETE Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide

________ is the volume of a substance per unit of the substance - specific volume _____________ is the measurement of sensible heat - dry bulb temp ____________is the point that represents the properties of air before it goes through a process - initial condition -Wet-Bulb temp - temp (degrees F) indicated by a thermometer with a wet wick attached to its bulb. The wick is located in a moving air stream to encourage evaporation 1st Law of Thermodynamics: - heat cant be destroyed but can be ...

how much resistance must be placed in 120V curcuit in order to limit the current to 2Amps - 60 Ohms when current flows in a 2 wire circuit such as 120v, if a clamp on amp meter is clamped around both wires what measurment would you expect. - 0 amps - due to cancellation of 2 fields Current flow is? - The flow of electrons in the circuit. What is the symbol for impedence in an AC CIrcuit. - Z Impedence is? - Oppostion to Alternating current flow. If contacts become b...

HVAC ELECTRIC TEST EXAM QUESTIONS AND ANSWERS How much resistance must be placed in a 120 volt circuit in order to limit the current to 2 amps? - ANS When current flow in a tow wire circuit (such as 120 volts), if a clamp on amp meter is clamped around both wires, what measurement would you expect? - ANS Current flow is - ANS Which of the following is the symbol for impedance in AC circuit? - ANS Impedance is - ANS If contacts become badly pitted, it is a...

HVAC TEST QUESTIONS AND ANSWERS

BOMA-HVAC TEST WITH COMPLETE SOLUTIONS The man whose work is considered the real beginning of the science of air-conditioning _____. Willis Carrier Psychrometry refers to the relationship between _____ and _____. Humidity; air The amount of moisture in the air compared to how much it can hold is _____. Relative humidity The human bodies well being depends upon the _____. Bodies metabolism The device used to determine the moisture content of air is the _____ psychrometer Of the fuels...

HVAC JOURNEYMAN TEST UPDATE ACTUAL EXAM ALL QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) 100- PASS SOLUTION -ALREADY GRADED A+

Compressor Unit 23 HVAC Test 1 Questions with Verified Solutions large industrial refrigeration and air condition systems - Answer-The screw type compressor is used primarily in______. residential air conditioning - Answer-Rotary compressors are used primarily in_______. volume of the space between the bottom of the valve plate and the top of the piston at top dead center - Answer-The clearance volume of a compressor cylinder is the ______. it allows a compressor design with less cl...

HVAC Excellence Study Guide) for Electric Test 2024 Quizzes & Ans!!

Two locations where a cold air return should be installed - open area of a wall and low to the ground Which of the following is the law of thermodynamics? - heat moves toward a place with lower intensity Sensible heat describes - how hot something feels Latent heat is measured in - british thermal units What is the amount of heat energy required to evaporate 1 pound of water? - 970 btu In an air conditioning system and refrigeration system, what occurs in the evaporator? - the refrigeran...