Electrical nccer 2023 Study guides, Class notes & Summaries

NCCER MILLWRIGHT PRACTICE EXAM 2 LATEST 2023 WITH COMPLETE SOLUTION @STUVATE- STUVIA On a pedestal grinder, the gap between the grinding wheel and work rest should not exceed: - 1/8 inch The kind of abrasive material used in grinding wheels for general purpose applications is: - aluminum oxide A blotter is used on a grinding wheel to: - protect the flanges from the abrasize grit, display information about the wheel and compensate for the uneven surfaces on the wheel Flanges should at l...

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

How DC motors operate? - correct answer -Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) - correct answer -The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. - correct answer -Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long...

Light energy that is NOT absorbed by an object can be _____. - correct answer -reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - correct answer -3,000°K The resistance of a tungsten filament is ______. - correct answer -much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. - correct answer -bromine gas Durin...

The minimum bending radius for 3" rigid conduit is _____. - correct answer -13" The minimum bending radius for 1/2" rigid conduit is _____. - correct answer -4" The maximum number of 90° bends allowed between pull points in a conduit system is ______. - correct answer -four A saddle bend is counted as ____. - correct answer -60°-180°, depending on the type of bends When referring to the two bends required to make an offset in a length of conduit, which of the following is alwa...

If the heater in a fixed IEC bimetallic overload relay fails, - correct answer -the entire overload relay must be replaced The nameplate of a motor indicates that the motor has an FLC of 15A and a service factor of 1.15, how much additional current can this motor safely handle for intermittent power demands? - correct answer -15A(1.15)= 17.25; 17.25A - 15A= 2.25A The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the ___. - correct ans...

Which of the following is true regarding a series circuit? - correct answerThe current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - correct answerIt has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - correct answerIf a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads. Two branches of a circuit (R1 and R2) across a 1...