JOURNEYMAN CLOSED BOOK # 11 Exam 2024

JOURNEYMAN CLOSED BOOK # 11 Exam 2024 A -Answer-A ____ is a protective device for limiting surge voltages by discharging or bypassing surge current, and it also prevents continued flow of follow current while remaining capable of repeating these functions. a. Surge arrester b. Automatic fuse c. Fuse d. Circuit breaker B -Answer-A _____ conductor is one having one or more layers of non-conducting materials that are not recognized as insulation. a. Bare b. Covered c. Insulated d. Wrapped A -Answer-In a DC circuit, the ratio of watts to voltamperes is __________. a. Unity b. Greater than one c. Less than one d. Cannot tell what it might be A -Answer-A current limiting overcurrent protective device is a device which will ___ the current flowing in the faulted circuit. a. Reduce b. Increase c. Maintain d. None of these D -Answer-The horsepower rating of a motor _________. a. Is a measure of motor efficiency b. Is the input to the motor c. Cannot be changed to watts d. Is the output of the motor C -Answer-A common fuse and circuit breaker works on the principal that _______________. a. Voltage develops heat b. Voltage breaks down insulation c. Current develops heat d. Current expands a wire A -Answer-The voltage will lead the current when the ___________ in the circuit. a. Inductive reactance exceeds the capacitive reactance b. Reactance exceeds the resistance in the circuit c. Resistance exceeds the reactance d. Capacitive reactance exceeds the inductive reactance B -Answer-______ is a self-acting, operating by its own mechanism when actuated by some impersonal influence, as for example, a change in current strength, pressure, temperature, or mechanical configuration. a. Remote-control b. Automatic c. Semi-automatic d. Controller A -Answer-A 1000 watt, 120 volt lamp uses electrical energy at the same rate as a 14.4 ohm resistor on _____. a. 120 volts b. 115 volts c. 208 volts d. 240 volts A -Answer-When using compressed air to clean electrical equipment the air pressure should not exceed 50 pounds. The main reason is higher pressures _____________. a. May loosen insulating tape b. May blow dust to surrounding equipment c. Introduce a personal hazard to the user d. May rupture the air hose D -Answer-Which of the following is not used to fasten equipment to concrete? a. Expansion bolt b. Lead sheath c. Rawl plug d. Steel bushing C -Answer-A single-pole switch to operate a light will have the wiring connected in the ____ conductor. a. Grounded b. Identified c. Ungrounded d. Neutral A -Answer-The decimal equivalent of 9/16 is _____________. a. 0.5625 b. 0.675 c. 0.875 d. None of these B -Answer-The information most useful in preventing the recurrence of a similar type accident when making out an accident report would be ___________. a. The nature of the injury b. The cause of the accident c. The weather conditions at the time d. The age of the person involved C -Answer-Artificial respiration after a severe electrical shock is necessary when the shock results in ________. a. Broken limbs b. Bleeding c. Stoppage of breathing d. Unconsciousness B -Answer-If the circuit voltage is increased, all else remains the same, only the _____ will change. a. Resistance b. Current c. Ampacity d. Conductivity D -Answer-The two methods of making joints or connections for insulated cables are soldered connections and by means of solderless connection devices (wirenuts). The advantage (s) of a solderless connection is/are ____. I. Will not fail under short circuit due to melting of solder II. Mechanical strength as great as solder III. Reduces the time required to make a splice a. I only b. I & II only c. II & III only d. I, II & III C -Answer-When accidentally splashing a chemical into the eyes the best immediate first aid solution is to ____. a. Look directly into the sun b. Rub the eyes with dry cloth c. Flush eyes with clean water d. Close eyes quickly D -Answer-It is generally not good practice to supply lamps and motors from the same circuit because _____. I. It is more economical to operate motors on a higher voltage than that of a lighting circuit