Hvac contractor Study guides, Class notes & Summaries

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer- 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 - Answer- thermostatic expansion valve when installing a reversing valve on a heat pump, ho...

HVAC Contractor Test 1 Questions and Answers Graded A+ An air conditioning and refrigeration contracting company must notify the department of all licensees who have assigned their licenses to the company and must notify the department within how many calendar days when any license whose license is assigned to the company has left the company 30 calendar days within ___ hours after a death of any employee as a result of a work related incident, you must report the fatality to the oc...

The International Mechanical Code considers a "flammable Vapor" to be concentration of flammable constituents in the air which exceeds _____________ percent of its flammability limit. : 25% During installation or service of electrical controls, a digital multimeter set to voltage must be connected in what manner? : In parallell Unvented fuel-burning room heaters are NOT permitted in a Group ___________ occupancy? : A According to the Code, smoke detectors shall be installed in re...

HVAC Contractor Prep Test 2 Complete Questions And Answers Graded A+ HVAC Contractor Prep Test 2 Complete Questions And Answers Graded A+ HVAC Contractor Prep Test 2 Complete Questions And Answers Graded A+

HVAC CONTRACTOR Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA+ An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter Correct Answer: 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. schrae...

CSLB B LICENSE GENERAL CONTRACTOR EXAM- QUESTIONS & ANSWERS (100% VERIFIED) CSLB B LICENSE GENERAL CONTRACTOR EXAM- QUESTIONS & ANSWERS (100% VERIFIED) If unused mortar stiffens due to hydration of cement, what must you do? - ANSWER - Discard the mortar What minimum time must you wait before caulking or grouting new tiles? - ANSWER - 24-48 Hours How long should you wait before installing tile on a shower pan? - ANSWER - 24 Hours Unstable dry rock, angular gravel, sandy loam, and coh...

HVAC Contractor Test 1 100% Correct Solved An air conditioning and refrigeration contracting company must notify the department of all licensees who have assigned their licenses to the company and must notify the department within how many calendar days when any license whose license is assigned to the company has left the company - Correct Answer ️️ -30 calendar days within ___ hours after a death of any employee as a result of a work related incident, you must report the fatality to ...

Hvac Contractor Exam Questions And Answers With Verified Solutions

HVAC Contractor Test 6 Complete Questions And Answers Graded A+ HVAC Contractor Test 6 Complete Questions And Answers Graded A+ HVAC Contractor Test 6 Complete Questions And Answers Graded A+

HVAC CONTRACTOR EXAM UPDATE WITH HIGHLY PREDICTED, CORRECT ANSWERS AND MULTIPLE QUESTIONS |A+ GRADED|