Squirrel cage - Study guides, Class notes & Summaries

NORA Oil Heat Exam Review Questions + Answers Rated 100% Correct!! 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 bett...

Compressors, Fans, and Blowers Test Questions with Answers The flow of air or gas is carried by the __________ created by the energy transmitted to the gas by the rotating wheel - Answer-pressure differential If no resistance to flow exists, no inlet and outlet duct, the fan provides the gas with ________ only, and no compression or rarefaction occurs. - Answer-velocity energy It consists of an impeller of the squirrel-cage type, operating within a scroll-type housing and including drivi...

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 - Answer 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 - Answer A-Class I Which of the following reduces high voltages and currents to save values for measurements? A-auto transformer B-megohmmeter C-ins...

NCCER Test Marking Scheme 100% Verified A UL listed rod type ground electrode must have minimum length of - - 8'' in a circuit of pure capacitance, the current leads the voltage by - - 90 degrees The standard unit for measuring the cross sectional area of wire is the - - circular mil the drawing scale is most likely to be found in the - - drawing title block what is the minimum number of overload sensing units required for all three phase motors - - 3 what is the resultant di...

Journeyman Electrician Final Exam Questions and Answers 100% Solved 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...

Journeyman Exam 1 & 2 Questions And Answers 100% Verified _______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II - answerAns. b A phenomenon where a circuit stores electrical energy is called ______. a. Inductance b. Capacitance c. Resistance d. Susceptance - answerAns. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an elec...

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 tighter boilers Water o...

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 C) Get better atomization - ANSWER B)Push flue gases through...

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-megohmmeter C-instrument transf...

in a guardrail system; the guardrail can be made of any of the following except? - Answer-Rope banding What is type USE cable primarily used for? - Answer-Direct burial in the earth Electrical gloves should be inspected before each use to determine: - Answer-The maximum voltage they can stand. Which of the following is the classified location where combustible fibers are always present? - Answer-Class 3, Division 1 As the load decreases on a squirrel cage induction motor; its power f...