NCCER Test Marking Scheme 100% Verified

NCCER Test Marking Scheme 100% Verified A UL listed rod type ground electrode must have minimum length of - Answer- 8'' in a circuit of pure capacitance, the current leads the voltage by - Answer- 90 degrees The standard unit for measuring the cross sectional area of wire is the - Answer- circular mil the drawing scale is most likely to be found in the - Answer- drawing title block what is the minimum number of overload sensing units required for all three phase motors - Answer- 3 what is the resultant distance between center bends for a 10-inch offset at 15 degrees - Answer- 38.7 inches What is the symbol for the secondary side of a transformer - Answer- x Most common transformer on an industrial site - Answer- single phase step down applications for heat tracing systems with self regulating control include those requiring a narrow operating range and - Answer- temperature sensitive fluids with a row of 3-4'', 3-2'' and 1-1'' conduits on each side for a straight pullbox what is the minimum distance between the opposite side walls of the box - Answer- 32'' As the mechanical load increases on a squirrel cage induction motor - Answer- torque decreases and stator current increases when installing cables smaller the 4/0 in cable tray, the allowable cable fill area must not be less than the sum of the cable - Answer- cross sectional areas Meter used to measure pulling tension - Answer- dynamometer