Squirrel cage - Study guides, Class notes & Summaries

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...

Journeyman Electrician Exam Questions and Answers 2023 Graded A+ For other than one-and two-family dwellings, when building a new electrical service, at least one (1) 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be located within at LEAST _____ of the electrical service equipment? -ANS>> 50 feet The ampacity of a conductor is defined by the NEC to be the maximum current, in amperes, a conductor can carry continuously under the conditions of use without exce...

NEIEP 800 FINAL EXAM 2024 WITH 100 REAL EXAM QUESTIONS AND CORRECT ANSWERS (100% CORRECT ANSWERS) NEIEP 800 FINAL EXAM MOST RECENT VERSION 2024 (NEW!!) Refer to the NEIEP Moving Walk Straight-Line Diagram. If both inspection switches (INSP sw.) are in the downward position, how will that affect the operation of the walkway? - ANSWER-The walkway would not run. Refer to the NEIEP Moving Walk Final Layout. What is the correct wellway-towellway distance? - ANSWER-134' 11" (True/False) Th...

Journeyman Exam 1 & 2 Questions and Answers Already Passed _______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II Ans. b A phenomenon where a circuit stores electrical energy is called ______. a. Inductance b. Capacitance c. Resistance d. Susceptance Ans. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an electrical installation...

NEIEP 800 Final Exam V2 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Belted walkways use a tensioning device at the tail end to maintain the proper tension on the treadway belt and is normally maintained at _____ lbs. Answer: 3000 QUESTION (True/False) The speed governor switch on moving walks not driven by an induction motor directly connected to the driving machine (aka AC squirrel cage), will cause power to be remove...

Journeyman Electrician Final Exam Questions and Answers 100% Pass When determining the initial standard size time-delay fuse for branch-circuit, short-circuit, and ground-fault protection for a threephase, continuous duty, squirrel cage, AC motor, the fuse shall have a rating of _____ of the FLC of the motor. When the value determined does not correspond to a standard ampere rating, the next higher standard rating shall be permitted. a) 175 percent b) 150 percent c) 225 percent d) 250 percen...

If two 10-ohm resistors are connected in series, what is the total resistance of these resistors? - correct answer 20 ohms In a split-phase motor, how much greater is the starting current when compared to the full-load current? - correct answer 6 to 8 times The terminals of a motor can be identified using a battery and a ___ - correct answer voltmeter A 5-ohm and a 20-ohm resistor are connected in parallel. What is the total resistance of these two resistors? - correct answer 4 ohms ...

What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air correct answersD)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney correct answersB)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers C) Get better atomization correct answersB)Push ...

NORA Oil Heat Exam Review Questions 100% Solved What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air D)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers C) Get better atomization...

Journeyman Electrician Exam Questions with Complete Solutions The continuity of the equipment grounding conductor system used to reduce electrical shock hazards for portable electrical carnival equipment shall be verified ____. - Answer-each time the equipment is connected Where the outer sheath of Type MI cable is made of steel _____. - Answer-a separate equipment grounding conductor shall be provided Electrical equipment such as distribution panelboards, motor controllers, and motor co...