Domestic electric circuit Study guides, Class notes & Summaries

CDFA Measurement Verification Practice Questions with Certified Solutions When is a service agent not required to notify the sealer of an adjustment to a device according to B&P Code Section 12515? When the adjustment is only for the purpose of maintaining the device in a zero balance condition What is the temperature range of electric metering components if not stated on the device - 20° C to 50° C -4° F to 122° F Who would amend NCWM for proposed changes to electric watt hour...

Custodian Test Prep Class 89 Questions with Verified Answers 10% - CORRECT ANSWER In high pressure electric generating plants in large buildings, heating the feed water from 70f to 180f with exhaust steam usually will decrease the fuel consumption by... Steam pipe in the room before the pneumatic steam valve - CORRECT ANSWER The direct room radiator with a pneumatically controlled steam heating system is cold, while the adjoining rooms are heated adequately. The first thing you would check...

circuit a complete, closed path through which electric charges can flow conduction transfer of electrons when one object touches another conductor a material in which charges can move easily. Most metals are fit this description because some of the electrons in metals are free to move about (they are delocalised). electrical energy power times time electron a negatively charged particle found outside the nucleus insulator a material in which charges canno...

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) What is the first thing a tech should do when arriving at a no combustion call? - AnswerAsk how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - A...

Multiple Choice Questions 1. The generation, supply and distribution subsector is responsible for electrical power generation, transmission and distribution from electrical power stations to: A. the first user B. the second user C. the end user D. the middle user 2. The generation, supply and distribution subsector employs a range of people, including: A. electrical engineers and operators, electrical lines workers and electricians B. mechanical engineers and operators, electrical lines...

Oil Burner's Test Questions 1-200 (Answered) Correctly To Score A+ In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must Increase Atomizing type burners were designed to burn which type of fuel Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil. A fuel oil storage tank cannot be installed In the furnace room with 5...

When a new burner is installed, what wiring must also be updated? - Answer-Breaker, properly rated wiring, properly installed and located emergency switch, properly installed and located thermal electric switch, properly installed and located service switch and properly installed and located low water cut off How long is an emergency replacement chimney forum good for and who's responsibility is it to see that it is replaced - Answer-90 days and the licensees What needs to be preformed be...

AC is an electron flow that _________________________ - ANSWER alternates back and fourth The ______ is often used as a graphical representation of alternating current - ANSWER sine wave when a conductor rotates through one complete revolution it has generated _____ flow reversals - ANSWER two the __________of alternating current is the number of complete cycles that occur in a second. - ANSWER frequency Alternating current reaches a peak at ________________ electrical degrees - ANSW...

What is the first thing a tech should do when arriving at a no combustion call? - AnswerAsk how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answer- 300-10...

In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - Answer- Increase Atomizing type burners were designed to burn which type of fuel - Answer- Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - Answer- Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil. A fuel oil storage tank cannot be installed - Answer- In the furnace room with 5' of heating unit. The pri...