Squirrel cage - Study guides, Class notes & Summaries

Journeyman Electrician Exam 3 Questions With Solutions 100% Solved The MAXIMUM standard rating of the initial non-time-delay fuse for the branch-circuit, shortcircuit, and ground-fault protection of a 1 HP, three-phase, 208-volt, squirrel-cage AC motor shall be _____. a) 6 amperes b) 10 amperes c) 15 amperes d) 20 amperes C: 15 amperes Ref: 430.250; Tbl. 430.52; 430.52(C)(1), Ex.1 Sol: FLC of motor - 4.6 amperes x 300% = 13.8 amperes

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 ...

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 ...

The two primary types of motor enclosures classified by NEMA are ____. 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) _____. sealed windings(type) The NEMA frame designation for gasoline pump motors is ____. G The letters FLA on a motor nameplate stand for ____. full-load amps To determine the horsepower rating of a motor that is already installed and in place, ____. check the nameplate data Most industri...

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...

NCCER Electrical Level 2 Module 2 Motors: Theory and Application Sections 1-6 Questions and Answers The two primary types of motor enclosures classified by NEMA are ____. - ANS 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) _____. - ANS sealed windings(type) The NEMA frame designation for gasoline pump motors is ____. - ANS G The letters FLA on a motor nameplate stand for ____. - ANS ...

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 - ANSWERA: 6 feet to the protection apparatus Ref: 110.26(F)(1)(a) Branch circuit grounded conductors that are not connected to an overcurrent device shall be permitted to be sized at LEAST _____ of the continuous an...

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...

AWWA D 1 & D2 QUESTIONS AND ANSWERS GRADED A+ Alternating current (AC) Power in which the current flow reaches a peak In each direction only once per cycle Single phase Alternating current (AC) power in power in which the current flow reaches 3 peaks in each direction during each cycle. 3 phase The most common type of induction electric motor the rotor consists of a series of aluminum or copper bars parallel to the shaft resembling a squirrel cage. Squirrel cage induction motor...