Voltage regulator Study guides, Class notes & Summaries

NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update Since 1992, the United States Department of Energy has required that all furnaces sold and installed from that date on must have an AFUE of no less than: A: 70% B: 75% C: 78% D: 80% - correct answer C: 78% Many pre-1992 furnaces have efficiencies around . A: 10% B: 40% C: 60% D: 80% - correct answer C: 60% Today, furnaces with AFUE ratings greater than are available. A: 85% B: 90% C: 100% D: 110% - correct ...

PA Appraisers License Questions and Answers 2023 How is a diamond condition fixed? By pulling the damage for length. Diamond is a length condition. When measuring a unibody vehicle, it is discovered that the left front rail is 111mm from spec in width. What condition is this? Width is calculated from the center out, so a value of -111mm on the left rail shows sway to the right and in toward centerline. A collision damaged vehicle is discovered to be down in height at opposite en...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask 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.. - Answe...

NERC Prep - Bal, Int, & Trans Exam Questions and Answers Graded A+. What group can approve a change in the Disturbance Recovery Period for an Interconnection? a. NERC Interconnection Working Group b. NERC Operating Committee c. NERC Regional Council d. NERC Disturbance Analysis Working Group c. Check targets and equipment - What is the first thing an operator should do after a relay operation? a. Check power system stabilizers b. Notify adjacent Transmission and Balancing areas c. Che...

circuit breaker mean? a. The breaker is inexpensive b. The breaker will have lots of nuisance trips c. The breaker will trip out regardless of conditions d. The breaker will only trip at 150% of its rated amperage b. 8 amps (E-11 Table XII Conductor Ampacity - Flexible Cords) - ANSWER maximum current carrying capacity for an flexible cord of 16 AWG with 2 current carrying conductors inside the engine spaces is a. 6 amps b. 8 amps c. 10 amps d. 20 amps c. only in one direction - ANS...

ATT Test 8 (NEW 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION When reverse biased higher than Vz, what is the output voltage of shunt regulator? Answer: Vz QUESTION Which component changes resistances to maintain constant V out (zener diode regulator)? Answer: Q1 QUESTION Which component sets output voltage (zener diode regulator)? Answer: D1 (holds Q1 at Vz) QUESTION The voltage on emitter is establ...

If the scheduled frequency must be adjusted for a time error correction, what would the PJM operator set the frequency schedule to for a fast clock? - correct answer 59.98 What is the PJM regulation requirement for the off-peak period? - correct answer 525 Which of the following PJM reserves are NOT synchronized? - correct answer Non-synchronized (quick-start) What is the margin in relationship to regulation requirement that is used by PJM for assigning or de-assigning regulation?...

ATT Test 8 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Which rectifier is the least efficient using only half the input? Answer: Half-wave Q: Which two rectifiers require two input signals 180 degrees out of phase? Answer: Full-wave and bridge Q: Which rectifier uses a center tapped transformer? Answer: Full wave Q: How is frequency determined for half wave rectifier? Answer: Output frequency is same as i...

True - Answer- True or False: Heat sinks should be attached to LM350 voltage regulators using #6 screw, #6 hex nut, and star lock washers Simplifies troubleshooting, provides feedback on the integrity of assembly, and is worth points - Answer- Assembling region 1 only, then testing to verify functionality before proceeding is important because: Immediately before UV light exposure - Answer- When is photo tool placed on top of photoresist? False - Answer- True or False: 40/60 solder has ...

An inter-circuit short can cause: - ANSWER -" All of the above; Unrelated circuits to operate simultaneously; Components to work at reduced capacity; An over-current situation" Which of the following is addressed by ABYC A-32? - ANSWER -Power conditioning and conversion LED navigation lights are required to meet: - ANSWER -72 Colregs Which of the following are recommended for 3-phase shore power? - ANSWER -Power conditioning and phase-rotation monitoring Which of the following ...