Series 150 amps 2 - Study guides, Class notes & Summaries

What is the voltage found at the TT terminals - ANS 24 volts What are the 8 steps of a no heat call - ANS 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is being used on a one or two pipe system ...

oxidation loss of electrons, positive charge atoms (anode) reduction gain of electrons, negative charged atoms (cathode) forms of corrosion uniform, crevice, galvanic (dissimilar metals) if two metals have to be couple then best to couple metals close together in the galvanic series, pitting, intergranular, selective leaching (dezincification, graphitization), velocity phenomena, environmental cracking (corrosion fatigue, hydrogen embrittlement, SCC (Carbonates/bicarbonates) ...

Electrical PE Exam Completed with Correct Answers Electrical PE Exam Completed with Correct Answers 1. Inductor impedance equation Z = jwL 2. How can a transformer, motor, or generator be saturated? The voltage/frequency ratio is altered. For example, this happens when excessive voltage is applied to the primary side or the frequency is too low. 3. What are some sources of triplen harmonics? Electronics, CFL lamps, electronics dimmers, etc. 4. What are the effects of triplen harmonic...

Lineman Apprentice Test The difference in a 3 wire & 4 wire distribution circuit is? - Answer- the Neutral wire What is the formula for power - Answer- P=VxI Transmission voltage is generally _________ to _________. - Answer- 138,000 to 765,000 volts If the diameter of the pole to be set is 10", the diameter of the hole should be ____ to allow sufficient room for tamping. - Answer- 16", 3" on each side of the pole What are the component parts of a distribution system? - Answer-...

candela - ANSWERS brightness of a fixture as observed at the retina of the observers eye flood lights - ANSWERS What was the fist type of airfield lighting used. Boundary lights - ANSWERS What was the first type of SIGNAL lights used. Transmissometer - ANSWERS A photoelectric system that provides an exact measurement (distance) of visibility. (RVR) ICAO Annex 14 - ANSWERS The basic document that has defined for the world the various types of lighting required and the photometric req...

MECHANICS EXAM NEIEP (2024/2025) QUESTIONS WITH VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS <UPDATED VERSION> The period of a sine wave is .0083 seconds. What is the frequency? - ANSWER 120 Hz f= 1/t With an effective value of 20.2 amps of AC current, what is the peak value - ANSWER 28.6 A waveform that has unequal rise and fall times with one being instantaneous is called a - ANSWER Sawtooth Like Magnetic Poles - ANSWER Repel Total Resistance is... - ANSWER a...

MK1 SWE Verified Questions and Correct Answers 2024 What type of o-ring is the most resistant to petroleum products - correct answer Buna-S What do you prime an FOP with? - correct answer Water What material are used for strainers? - correct answer Stainless steel or monel In a compressed air system, what causes the o-rings to fail to quickly? - correct answer Heat What do you use to measure resistance of a wire cover? - correct answer Meghometer Gallons per minute for a p-100 pump? - correct a...

CWEA E1 Study Set, question and answers with complete top solution Confined Space A space that: -is large enough to enter and work. -has limited or restricted means for entry. -is not designed for continuous occupancy. Hot Work Permit An employer's written authorization to perform work capable of providing a source of ignition. Inerting A form of purging or ventilating a confined space where an inert gas (such as nitrogen, carbon dioxide or argon) is used to displace the at...

CSLB B GENERAL PTICH rise/span what size of a circuit breaker can be installed on a line with 7 outlets 14 AWG wire? 15 amp; according to code, the conductor ampacity rating for a 14 gauge wire is 15 amps. for 12 gauges wire is 20 amps. the number of outlets does not determine the size of circuit breaker. how many roof squares are in the roof measuring 45' by 50'? 22.5; (45x50) / 100 (roofing squares made of 10'x10'). total drop for a 120' pipe with a 2% slope? 2'5" = 120x2%=2.4 ...

Elevator Mechanic Exam 2018, questions with accurate answers, 100% proven pass rate. Document Content and Description Below Elevator Mechanic Exam 2018 A Latching relay: Used for call registration,direction selection or as selector relays Two types are: Set/Rest are electrical and Mechanical Latching relays Need to know latching relay symbol, Its a box with shaded triangle in lower right hand corner. - Which relay do you need to Order 710 Pg, 7 RPM = 60 ∙ ƒ ÷ P÷2 = Step 1. 60 x Frequency ...