Hvac - Study guides, Class notes & Summaries

HVAC (EPA Certification Exam Section 608) Questions With Verified Solutions | ALREADY PASSED | LATEST REVISED UPDATE What does a metering device do? - ANSWER The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - ANSWER Heat is absorbed in the evaporator. What happens in the evaporator? - ANSWER Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At...

Before working on an electric furnace the tech should - ans-Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - ans-detects current leaks to groound the conductor in an electric heat element is usually made of - ans-Nichrome An example of resistive load is - ans-crankcase heater an example of an inductive load is - ans-motor an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the p...

HVAC JOURNEYMAN EXAM AND PREP TEST EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS TOP RATED VERSION FOR ALREADY A GRADED WITH EXPERT FEEDBACK|BRAND NEW!|REVISED

CM 4221 Final Exam Questions and Answers | Latest Update | 2024/2025 | Already Passed **Which procurement method is typically not used to procure a constructor?** - a. None of these - b. Best value - c. Job order contracting - d. Low bid - e. Qualifications-based selection c. Job order contracting **Which management activity involves coordinating subcontractors, planning construction sequences, and developing effective communication?** - a. None of these - b. Controllin...

High-efficiency condensing HVAC systems produce excessive _______________. - condensate T/F: A moisture meter comes in both invasive and non-invasive models. - true A home inspection is a non-invasive, _____________ examination of a residential property. - visual A home inspector is required to ______________ the energy source. - describe A home inspector is required to describe the heating ____________. - method _______________ is an effective means of inspecting for water leaks and mois...

Mechanical Technologist Grade 1 CWEA Certification Exam Study Guide 2024 with Verified Answers| 100% Correct| 100% Score What is an oxygen-acetylene torch? - A welding torch that uses fuel gas and oxygen to weld or cut metals What does CMMS stand for? - Computerized Maintenance Management System What does OMM stand for? - Operations and Maintenance Manual What does SOP stand for? - Standard Operating Procedure What does SCADA stand for? - Supervisory Control and Data Acquisition What doe...

A heat source capable of maintaining at least __________ should serve every habitable space in houses in almost all regions. - 68F Burning natural gas creates _______________. - Water vapor and carbon dioxide Burning natural gas with Oxygen yields CO2, water vapor and _______. - Heat As hot gases cool, they release a lot of heat energy as the change their state from __________. - Gas to a liquid If combustion air is inadequately supplied to a gas furnace, ___________ will be produced. - C...

HVAC NATE Heat Pump Exam 2024 Questions and Answers (2024/2025) (Verified Answers)q1

JLTV Test B Questions and Answers Already Passed Which is the only JLTV variant with a two-seat configuration? A. GP B. HGC C. CCWC D. UTL D. UTL Which of the following lights indicates that you will NOT be able to adjust the ride height? A. LVD B. SPNSN ERROR C. SPNS NOT LEVEL D. CTIS FAULT B. SPNSN ERROR What are the benefits of the vehicle design using half shafts instead of straight axles on the JLTV? A. To account for angles produced by suspension movement. B. To ensu...