Basic electricity in hvac - Study guides, Class notes & Summaries

Alternating current (AC) current that reverses its direction of flow periodically. Reversals generally occur at regular intervals. Ampere The amount of current required to flow through a resistance of one ohm with a pressure of one volt, measured with an ammeter. Atom the smallest part of an element that contains all the properties of that element. Compound A substance that is a combination of atoms from at least two different elements. Conductor A wire that is used for the path of e...

You are the security subject matter expert (SME) for an organization considering a transition from the legacy environment into a hosted cloud provider 's data center. One of the challenges you 're facing is whether the cloud provider will be able to comply with the existing legislative and contractual frameworks your organization is required to follow. This is a _________ issue. a. Resiliency b. Privacy c. Performance d. Regulatory D 76. You are the security subject matter expert (SME) ...

What is access control? - Answer-authorized entities can use a system when they need to. How is policy related to access control? - Answer-Policy driven control of access to systems, data, and dialogues. Examples of access control include barriers, passwords, and bio-metrics. What is the role of authentication in access control? - Answer-Verification (or not) of an individual's claim (usually of identity). What is the role of authorization in access control? - Answer-An entity (via his/her...

Basic Electricity-in HVAC Exam Study Guide. Alternating current (AC) - answercurrent that reverses its direction of flow periodically. Reversals generally occur at regular intervals. Ampere - answerThe amount of current required to flow through a resistance of one ohm with a pressure of one volt, measured with an ammeter. Atom - answerthe smallest part of an element that contains all the properties of that element. Compound - answerA substance that is a combination of atoms from at least ...

Professional Home Inspector Exam 2 NHIE/TREC - Q & A (Complete Solutions) What type of roof requires on interlayment of felt between courses? a. Wood shakes b. Roll roofing c. Wood shingles d. Slate shingles In an older home, a forced hot air furnace is replaced by a heat pump. The heat coming out of the register is: a. Hotter b. Cooler c. Same d. Depends on the air duct layout When inspecting kitchen cabinets: a. Observe that they are securely attached to the wall b. Remove everything from th...

DAT Test Bank Questions with Answers 100% correct | 2024 update DAT Test Bank Questions with Answers 100% correct | 2024 update Contains marking scheme Survey of Natural Sciences Which of the following viral genomes can be directly translated into protein by the host cell’s translation machinery? Double-stranded DNA Single-stranded DNA, coding (+) strand Double-stranded RNA Single-stranded RNA, coding (+) strand Single-stranded RNA, template (–) strand ...

Basic Electricity Hvac Final Exam Study Guide Questions And Answers 100% Pass Type of fuse used for inductive loads is the - answerTime Delay Type of fuse used for the resistive loads is - answerOne time (single element) A step down transformer has _________ turns of wire in the primary than in the secondary - answerMore The voltage rating of a capacitor must be _______ or __________ the capacitor being replaced - answerEqual or greater In a step up transformer, the primary voltage is __...

HVAC Electricity Chapter 7 Complete Solutions What are the two types of current use din the heating, cooling and refrigeration industries? AC (mostly) DC _____ current flows in only one direction. DC Brainpower Read More _____ current flows in alternating directions. AC What are the advantages of AC current over DC current? 1) cheaper 2) easier to produce 3) easier to transform from one voltage to another How is AC produced? by cutting through the magnetic field wit...

BEFO QUIZ QUESTIONS AND ANSWERS GRADED A+ Most fire departments are organized in a series of levels, with the intermediate levels made up of personnel assigned by: rank and duty Why is the division of labor necessary in the fire service? to prevent the duplication of effort Wildland firefighter which fire fighting personnel are trained specifically to extinguish fires in outdoor vegetation utility company Which organization or agency assists the fire department by shutting off natural gas li...

Is NFPA 921 a guide or a standard? - It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? - Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? - Analyze the data What step of the scientific method is deductive reasoning? - Test the hypothesis What are the four parts of the fire tetrahedron? - Fuel (reducing agent) He...