Voltages - Study guides, Class notes & Summaries
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BICSI Practice Test exam 2023 with 100% correct answers
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The 2 main considerations concerning the existing cabling are? - correct answer Grandfathered system 
Abandoned cable 11-25 
 
The type of cutover where cross-connects are relocated one pair after another until completed is called a - correct answer rolling cut 11-28 
 
Which practice involves moving the customer to a temporary office space until their section of the retrofit is completed and then moving them back to their recabled office space? - correct answer Swing space phasing 
 
Whic...
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Maintenance Tech 2-3 Conventional - NCTI In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - ANSWER-Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power suppl
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Maintenance Tech 2-3 Conventional - NCTI 
In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced 
by DC power supplies? - ANSWER-Common Voltage includes +5, +12 and +24 
VDC 
Why do many optical nodes accept two independent power supplies? - 
ANSWER-For redundant Powering of the node. 
What is an option available on most optical nodes for connectin to the power 
supply? - ANSWER-Through a power cable that is connected from the power 
supply directly to the power port of t...
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Electrician NCCER |354 questions| with correct answers
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Which article of the NEC covers grounding? CORRECT ANSWER Article 250 
 
What is a dropout plate? CORRECT ANSWER Metal plate with a curve surface for cable to follow as it passes from the tray 
 
All of the following are common service voltages in the United States Except: CORRECT ANSWER 372/575 3-Phase, 4-wire 
 
What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device 
 
What will happen when one or more coils in a winding are grounded? CORRECT A...
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ATT Test 9 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
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ATT Test 9 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What voltages are considered LOW (TTL logic)? 
 
 
Answer: 
0.8 volts or less 
 
 
 
Q: What voltages are considered HIGH (TTL logic)? 
 
 
Answer: 
2V or more 
 
 
 
Q: Voltages between 0.8V and 2V are considered what? 
 
 
Answer: 
Unknown, Float, Switching 
 
 
 
Q: How many different classes of IC integration are there? 
 
 
Answer: 
5 
 
 
 
Q: SSI is a class of integration with how many compon...
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CWEA E/I Level 3 Questions and Answers 100% Correct
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CWEA E/I Level 3 Questions and Answers 100% CorrectCWEA E/I Level 3 Questions and Answers 100% Correct 
If the potential difference across the coil is low, the coil will: 
A-draw too much current 
B-become too hot 
C-Produce too much magnetic force 
D-not heat up - ANSWER-D-not heat up 
 
The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? 
A-Class I 
B-Class II 
C-Class III 
D-Class IV - ANSWER-A-Class I 
 
Which of the following reduce...
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NCCER Electrical Level 1 Mod 4 Electrical Theory 2023/2024
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NCCER Electrical Level 1 Mod 4 Electrical Theory 
Which of the following is true regarding a series circuit? 
The current flow is the same through all resistors. 
 
 
Which of the following is true regarding a parallel circuit? 
It has more than one path for current to flow. 
 
 
Which of the following is true regarding a series-parallel circuit? 
If 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)...
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The Associate CET Study Guide || A+ Guaranteed.
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B+, or supply voltages in electronics products, is considered to be: 
 
A. +5 to +12 VDC 
B. 0 to 30 V DC 
C. +12 to 300 V DC 
D. The anode or plate voltage supply correct answers D. The anode or plate voltage supply 
 
Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _________. 
 
A. 5 microamps 
B. 500 microamps 
C. 5 milliamps 
D. 50 milliamps correct answers B. 500 microamps 
 
Shaded components ...
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NETA level II exam questions & answers 2023
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NETA level II exam questions & answers 2023 What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? 
 
Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. 
 
 
At what current level does ...
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NERC Final Assessment Exam Correct answers (Already GRADED A)
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When using a dynamic schedule and the energy profile in an hour is >250 MW and the actual hourly integration deviates from the hourly energy profile by ____ the tag must be modified. 
A. 100 MW 
B. 10% 
C. 50 MW 
D. 25% 
B. 10% 
 
 
Dry steam plants, flash steam plants, and binary cycle power plants are the three main types of what kind of generating plant? 
A. Nuclear generators 
B. Combustion turbine generators 
C. Geothermal generators 
D. Hydroelectric generators 
C. Geothermal generators...
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NCCER ELECTRICAL LEVEL 3 Module 6 Distribution Equipment exam questions and answers
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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...
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