Hvac unit 20 Study guides, Class notes & Summaries

MCC HVAC MIDTERM EXAM QUESTIONS AND ANSWERS 100% PASS List at least five factors that must be controlled if a comfortable indoor environment is to be maintained. - Correct Answer ️️ -The factors that must be controlled include temperature, humidity, air motion, dust, bacteria, odors, toxic gases, and ionization. ((Ref: 1/1)) Describe in simple terms the basic process by which a refrigerant transfers heat energy. - Correct Answer ️️ -A refrigerant is used to transfer heat when it c...

Asbestos Practice Exam 2 Questions and Answers Already Passed ACM stands for Asbestos Containing Material The operating agency for each public school building in which fraible asbestos containing materials have been identified shall monitor airborne asbestos levels in each sampling area. For at least how many hours during a period of normal activity must this monitoring be done? it must be done for 8 hours What portion of insurance coverage for medical exams and monitoring as required by law m...

Hvac Journeyman Exam 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. - 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 ...

Asbestos Maryland Practice Exam 2 2024/2025 ACM stands for - CORRECT CORRECT-Asbestos Containing Material The operating agency for each public school building in which fraible asbestos containing materials have been identified shall monitor airborne asbestos levels in each sampling area. For at least how many hours during a period of normal activity must this monitoring be done? - CORRECT CORRECT-it must be done for 8 hours What portion of insurance coverage for medical exams and monit...

HVAC EXCELLENCE EXAM QUESTIONS AND ANSWERS 100% PASS Heat which causes a change in temperature of a substance is called - Correct Answer ️️ -sensible heat, Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process la called? - Correct Answer ️️ -latent heat Heat added to the refrigerant in vapor state after the evaporation process is called, - Correct Answer ️️ -superheat A scroll compressor moves refrigerant by means of; - Cor...

Hvac Journeyman Exam Questions and Answers Updated 2024/2025. 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 ...

HVAC CONTRACTOR EXAM COMPLETE SOLUTIONS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter ️voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve ️thermostatic expansion valve when installing a re...

Asbestos Practice Exam 2 Questions With Verified Correct Answers | Updated ACM stands for - ANSWER Asbestos Containing Material The operating agency for each public school building in which fraible asbestos containing materials have been identified shall monitor airborne asbestos levels in each sampling area. For at least how many hours during a period of normal activity must this monitoring be done? - ANSWER it must be done for 8 hours What portion of insurance coverage for medica...

HVAC Excellence Study Guide With Accurate Solutions. Heat which causes a change in temperature of a substance is called. - answersensible heat. Heat added to a substance without a rise in temperature; (example: liquid refrigerant to gas) this process is called? - answerLatent heat Heat added to the refrigerant in a vapor state after the evaporator process is called. - answerSuperheat A scroll compressor moves refrigerant by means of. - answerInvolute spirals The movement of heat by way o...

Asbestos Practice Exam 2 Questions With Verified Correct Answers | Updated ACM stands for - ANSWER Asbestos Containing Material The operating agency for each public school building in which fraible asbestos containing materials have been identified shall monitor airborne asbestos levels in each sampling area. For at least how many hours during a period of normal activity must this monitoring be done? - ANSWER it must be done for 8 hours What portion of insurance coverage for medica...