Squirrel cage - Study guides, Class notes & Summaries

NORA OIL HEAT EXAM REVIEW | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ 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 answer: 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 Correct answer: B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark...

NORA Oil Heat Exam Review Questions and Answers What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air - Answer ️️ -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 - Answer ️️ -B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers ...

The two primary types of motor enclosures classified by NEMA are ____. - CORRECT ANSWER open and totally enclosed An open AC squirrel cage motor that makes use of form-wound coils and an insulation system is known as a(n) _____. - CORRECT ANSWER sealed windings(type) The NEMA frame designation for gasoline pump motors is ____. - CORRECT ANSWER G The letters FLA on a motor nameplate stand for ____. - CORRECT ANSWER full-load amps To determine the horsepower rating ...

1. The field coils of a series motor are connected in series with the . - : armature 2. A(n) is used to provide the switching action required for continuous DC motor rotation.: Commutator 3. The most common class of insulation used in motor manufacturing and rewinding is NEMA .: Class B 4. Which type of motor requires brushes, slip rings, and an amortisseur wind- ing?: Synchronous motor 5. The two basic types of DC motor connections are the and : - Series; Shunt 6. Define slip.: the diffe...

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 - ️️B)Push flue gases through ti...

If two 10-ohm resistors are connected in series, what is the total resistance of these resistors? - ANSWER20 ohms In a split-phase motor, how much greater is the starting current when compared to the full-load current? - ANSWER6 to 8 times The terminals of a motor can be identified using a battery and a ___ - ANSWERvoltmeter A 5-ohm and a 20-ohm resistor are connected in parallel. What is the total resistance of these two resistors? - ANSWER4 ohms The normal location to provide overcurrent p...

Electrical - Motors Test Part 2 The synchronous speed at which a four-pole. 60Hz induction motor operates is _________ rpm. a. 6,900 b. 2,500 c. 1,140 d. 1,800 - 1,800 The most common service factor appearing on a motor's nameplate is: a. 115 b. 1.15 c. 2 d. 1.5 - 1.15 The _______represent(s) the stationary magnet of a DC motor. a. armature b. rotor c. commutator d. field poles - field poles The _______ DC motor is used where the required starting torque is high and spee...

CWEA E/I Level 3 Test If the potential difference across the coil is low, the coil will: A-draw too much current B-become too hot C-Produce too much magnetic force D-not heat up - D-not heat up The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? A-Class I B-Class II C-Class III D-Class IV - A-Class I Which of the following reduces high voltages and currents to save values for measurements? A-auto transformer B-megohmme...

Journeyman Electrician Questions and Answers with Verified Solutions 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? 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 exceeding ______? ...

Journeyman Electrician Exam 3 | Questions with 100% Correct Answers | Latest Update 2024 | Verified Where a water pipe passes over an indoor motor control center, leak protection apparatus shall have a MINIMUM clearance of _____. a) 6 feet to the protection apparatus b) 6 feet to the water pipe c) 6 1⁄2 feet to the protection apparatus d) 6 1⁄2 feet to the water pipe - A: 6 feet to the protection apparatus Ref: 110.26(F)(1)(a) Branch circuit grounded conductors that are not connected...