Nccer exam - Study guides, Class notes & Summaries

NCCER Introduction to Construction Math Module 00102-15 Exam Questions and Answers (2023 / 2024) (Verified Answers)

NCCER Module 4 Intro to power tools Exam Questions and Answers 100% Pass A saw that has a thin one-piece blade that runs around guides, that runs around either end of the saw is a - Answer- Band saw A power miter saw combines a miter box with a - Answer- Circular saw An angle grinder is used to grind - Answer- Hard heavy materials The adjustable tool rest on a bench grinder should be positioned - Answer- One eighth of an inch from the grinding tool A good way to check the condition of th...

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...

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

NCCER Electrical module 3 (intro to electrical circuits) Exam Questions And Answers All Verified a circuit has a source voltage of 50v and a current of 10A, what is the power in watts? - ANS 500w voltage is defined as the? - ANS driving force that makes current flow in a circuit if a circuit has 12 amps of current and the resistance is 20 ohms, the applied voltage is? - ANS 240 volts if two 10 ohm resistors are connected in series, what is the total resistance of the resistors? ...

Which of the following is true with regard to switchboards Switchboards are used to subdivide large blocks of power When installing wiring within switchgear, use self adhesive cable ties every ___. 12" (300mm) The maximum voltage that a piece of equipment can withstand is known as its ____. Basic impulse insulation level (BIL) Bolted pressure switches are often used in place of ___. Circuit breakers A transformer's temperature rise rating refers to ___. The max...

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...