Ac generators Study guides, Revision notes & Summaries

How many engine driven generators? Rating? CORRECT ANSWER-2 IDGs (Integrated Drive Generators) 115VAC, 400Hz, 40KVA What kind of APU? Rating? CORRECT ANSWER-Sundstrand APS 2300 115VAC, 400Hz, 40KVA What is the RAT rated at? CORRECT ANSWER-115VAC, 400Hz, 15KVA What is the Normal AC Electrical Priority? CORRECT ANSWER-- Onside (IDG) - Inside (APU) - Outside (GPU) - Cross-side (Opposite IDG) When does the RAT automatically deploy? CORRECT ANSWER-Loss of all AC power in flight (elec...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

NCTI Final Exam Maintance Tech 2-3 Conventional| New Update 2023/ 2024| Verified Questions and ANSWERs In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - ANSWER For redundant Powering of the node. What is an o...

How many networks make up the electrical system on the airplane? Why? CORRECT ANSWER-2 independent networks Redundancy and fault isolation What happens if a power generating source fails? CORRECT ANSWER-Bus ties automatically connect to provide no system degradation What components power the AC system? CORRECT ANSWER-2 Integrated Drive Generators (IDG) Auxiliary Power Unit (APU) Inverter Ram Air Turbine (RAT) AC GPU receptacle What components power the DC system? CORRECT ANSWER-2 ...

NCTI Final Exam Maintance Tech 2-3 Conventional| New Update 2023/ 2024| Verified Questions and ANSWERs In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - ANSWER For redundant Powering of the node. What is an o...

This is the third assignment required for unit 15 Electrical Circuits BTEC applied science. This assignment was awarded a distinction grade and it covers all the key aspects of the specification. Please do not copy use as a guide only, good luck!

DC MACHINES UNIT – II SYLLABUS D.C. Generators: Principle of Operation of D.C. generators, E.M.F Equation, O.C.C. of a D.C. Generator D.C. Motors: Principle of Operation of DC Motors, performance characteristics of dc motor, Speed Control of D.C. motor (Armature voltage control and Field flux control, voltage control method) Single phase Transformer: Principle of Operation, OC & SC test on transformer Three phase AC machines: Principle of Operation

Pumping Apparatus Driver/ Operator Exam |Questions and Verified Answers| 2023/ 2024 Update Q: How much does 1 gallon of water weigh? Answer: 8.34 lbs Q: What are the two types of electric power generators used in emergency services operations? Answer: •Portable Units •Apparatus-mounted Generators Q: What's is an inverter? Answer: Step-Up transformer that converts a vehicle's 12- or 24-volt DC current into 110- or 220-volt AC current Q: What are the ...

Mesa Airlines E-JET Systems Study Guide All Questions (Spring 2023) Already Passed How many networks make up the electrical system on the airplane? Why? 2 independent networks Redundancy and fault isolation What happens if a power generating source fails? Bus ties automatically connect to provide no system degradation What components power the AC system? 2 Integrated Drive Generators (IDG) Auxiliary Power Unit (APU) Inverter Ram Air Turbine (RAT) AC GPU receptacle What components power the D...

ABYC ELECTRICAL STUDY 1 QUESTIONS WITH COMPLETE SOLUTIONS The reverse polarity indicator is an LED with 2 legs. One of these legs have a resistor of - Correct Answer 25k Ohms Anodes used in cathodic protection systems shall be - Correct Answer painted with a protective barrier coating Oil pressure and temperature gauges are - Correct Answer installed in series What type of element are in series - Correct Answer the switches Voltage regulator ( inbetween output and breaker) - Correc...