Hvac unit 1 - Study guides, Class notes & Summaries

0-20 DB Sound Level - Loudness: Very Faint Source: Whisper (5) 100-200 DB Sound Level - Loudness: Deafening Source: Generator (5) 20-40 DB Sound Level - Loudness: Faint Source: Quiet Conversation (5) 4 Primary Project Delivery Methods - - Design Bid Build - Design Build - CMAR - Multiple Prime Contracts (2) 4 Types of Shifting - Settlement, Upheaval, Sliding, Liquefaction. (4) 40-60 DB Sound Level - Loudness: Moderate Source: Average Conversation (5) 60-80 DB Sound Level - Loudness:...

Siemens Traction Exam Questions and Answers Latest Update. What circuit breaker is in a DMA? - ANSWER PA What circuit breaker is in a DMB? - ANSWER CCTV How many PEI per carriage? - ANSWER 2- both on A side, doors 1&2 What is inside the Traction Container? - ANSWER - Traction Control Unit - Traction Inverter What is inside the Static Inverter Unit? - ANSWER - Static Inverter X2 - Battery charger What is inside the High Voltage Container? - ANSWER - High Speed Circuit Breaker & Ground...

HVAC Test 1 Latest Update Graded A+ Absorption A refrigeration cycle where input energy is heat Adiabatic without gain or loss of heat Air Conditioning controlling air temperature humidity and quality Air Cooled Condenser a heat exchanger that transfers building heat to outdoor air Air Handler air moving equipment that can change air temperature humidity and quality BTU British thermal unit. 1 BTU will increase the temperature of 1 lb of water 1 degree F BTUH Rate of heat fl...

HVAC Final Exam Questions and Answers Already Passed What is an HVAC System? all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? Fans Pumps Compressor Evaporator What is a PTAC? Packaged Terminal Air Conditioner What is a PTHP? Packaged Terminal Heat Pump List the heat transfer equipment (3) Boiler Chiller Coil What is a zone? A zone is a separately controlled space or group spaces What is ...

HVAC Unit 1

AIC Prep UH Questions and Answers 100% Pass A 'place concrete' activity requires the placement of 2080 cubic yards. If the individual production rate is 2 cubic yards per work hour per person, with a 10-person crew and 8 hour workday, how many days are needed to complete this activity? a. 13 b. 26 c. 104 d. 130 - Correct Answer ️️ -a. 13 A topographical map is a drawing showing? a. Subsurface soil conditions b. A general profile view of the site c. Contour lines and elevations d...

HVAC Unit 1, 2 & 3

HVAC Unit 12 Basic Electricity and MagnetismWhat type of charge does an electron have? - correct answer Negative If five electrons combine with three protons, the net charge will be? - correct answer Negative Typical insulators are? - correct answer Glass, rubber, Plastic An ampre is? - correct answer A measure of the quantity of electrons flowing past a point in the electrical current in any given time If two light bulbs are wired in a series and one light bulb burns out, the other ...

HVAC UNIT 3 REVIEW TEST WITH COMPLETE SOLUTIONS Ice melts in ice boxes because a. heat flows through the insulated walls. b. heat flows through the doorway when it is opened. c. heat is moved into the box when warm food is placed in it. d. All of the above. D High-temperature refrigeration is that produced by a. heat from a furnace. b. an air-conditioning system, c. the vegetable cooling system of a refrigerator. d. the freezer section of a refrigerator. B A ton of refrigerat...

Unit 17 Types of Electric Motors / HVAC Unit 17 Review Questions and Review Test