Trey papers

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 ...

The two primary types of motor enclosures classified by NEMA are ____. - CORRECT ANSWER 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) _____. - CORRECT ANSWER sealed windings(type) The NEMA frame designation for gasoline pump motors is ____. - CORRECT ANSWER G The letters FLA on a motor nameplate stand for ____. - CORRECT ANSWER fullload amps To determine the horsepower rating of a motor that is alr...

Any exposed live parts must be guarded if they are operating at - CORRECT ANSWER 50V or more between terminals Which of the following are most likely to use dynamic braking? - CORRECT ANSWER Forklifts In a DC series motor, how much of its full-load torque is developed at starting? - CORRECT ANSWER 500% For a given number of poles, which of the following determines the speed of an AC motor? - CORRECT ANSWER Frequency Which of the following motors is used where the required starting to...

NCCER ELECTRICAL LEVEL 2 MODULE 3 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED NCCER ELECTRICAL LEVEL 2 MODULE 3 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED

NCCER ELECTRICAL MODULE 2 (ELECTRICAL SAFETY) 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - CORRECT ANSWER safety shorting probe for safety, assume that any facility constructed before 1980 has? - CORRECT ANSWER asbestos with of the following is the threshold at which a power source is considered high voltage in the context of sa...

1. The mission of the fire service is usually mandated by law or ordinance enacted by the: (See pg. 12): authority having jurisdiction. 2. A fire department that provides a variety of public services such as fire suppression and emergency medical services in a coordinated manner is employing a(n) approach. (See pg. 12): all-hazard concept 3. What isthe most common type of fire department organizationalstructure? (See pg. 13): Scalar 4. Which fire department organizational principle refer...

What is the overall mission of the fire service? - CORRECT ANSWER Save lives and protect property and the environment An ______ concept allows all responders to use a similar, coordinated approach with a common set of authorities, protections, and resources - CORRECT ANSWER All Hazard A type of fire departmental organizational structure where decisions and information are directed from the top and filtered down through intermediate levels to the base can be described as: - CORRECT AN...

ESSENTIAL OF FIRE FIGHTING 7TH EDITION (ALL CHAPTERS) PRACTICE TEST 2024 QUESTIONS WITH CORRECT ANSWERS ALREADY PASSED AND VERIFIED Acute - CORRECT ANSWER Sharp or severe having a rapid onset and short duration. All-Hazard Concept - CORRECT ANSWER Provides a coordinated approach to a wide variety of incidents; all responders use a similar, coordinated approach with a common set of authorities, protections, and resources. Atypically Stressful Event - CORRECT ANSWER Term used in Nat...

Which element is included in the fire tetrahedron that is not part of the fire triangle model? - CORRECT ANSWER Chemical chain reaction In order to burn, fuel must be in a _____ state. - CORRECT ANSWER Gaseous Which statement about smoke is accurate? - CORRECT ANSWER Smoke has the potential to burn. Which is a measure of heat energy transfer rate? - CORRECT ANSWER Heat Flux Heat transfers from one body to another by three mechanisms: conduction, radiation, and: - CORRECT ANSWER Convect...

A Fire Fighter I would likely be assigned to: - CORRECT ANSWER set up lighting equipment to illuminate a scene. As part of a member assistance program, many fire departments offer tobacco cessation programs because tobacco can: - CORRECT ANSWER cause cancer, heart disease, and COPD. With regard to facility safety, NFPA 1500: - CORRECT ANSWER prohibits all tobacco use in the facilities. A type of fire departmental organizational structure where decisions and information are directed ...