Which of the following is not a criteria for the mechanical design of an overhead line? O Minimum distance between conductor and earth O Maximum clearance between the conductor and ground O Tensile stress of the conductor O Thermal capacity of the conductor must be adequate

Which of the following is not a criteria for the mechanical design of an overhead line? O Minimum distance between conductor and earth O Maximum clearance between the conductor and ground O Tensile stress of the conductor O Thermal capacity of the conductor must be adequate

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter10: Using Wire Tables And Determining Conductor Sizes

Section: Chapter Questions

Problem 4PP: 4. Eight 10 AWG aluminum conductors with Type THWN insulation are installed in a single conduit....

See similar textbooks

Related questions

Q: In a 3-phase, 4-wire system, the currents in R, Y and B lines under abnormal conditions of loading…

A: The solution can be achieved as follows.

Q: . Which among these statements is false or incorrect? A. The shape of the Sag Span Curve is…

A: Choose the correct option Which among these statements is false or incorrect regarding to the sag.…

Q: 23. A grounding conductor helps prevent a shock hazard in the event that an ungrounded, or hot,…

A: The explanation is as follows.

Q: 1. _______ is not considered an effective ground-fault current path. a) Ground b) Equipment…

A: Choose the correct option 1. _______ is not considered an effective ground-fault current path. Fill…

Q: (i) List any three factors to be considered for mechanical design of overhead lines (ii) An overhead…

A: (i). Three factor for mechanical design of over head transmission lines are a. Weight of the…

Q: (ii) An overhead transmission line is supported at a river crossing by two towers of height 35 m.…

A: The weight, sag, and length of the conductor is determined as shown below

Q: The cost of a single phase overhead feeder is OMR 7 a per km ( a is area of cross section in sq mm)…

A: It is given that: For 1m of length and 1mm2 cross-section area of conductor,Resistance=162Ωcost of…

Q: In an over head transmission line the conductor weight with ice loading is 1.85 kg. The total weight…

A: We have to calculate the weight due to wind per unit length

Q: The towers of height 45 m and 85 m respectively support a transmission line conductor at water…

Q: A single-conductor belted cable of 5 km long has a conductor diameter of 2 cm and an inside diameter…

A: Consider the given question;

Q: Which among these statements is false or incorrect? O A. The length of the Sag is generally small…

A: We need select the incorrect statement.

Q: A transmission line subjected to wind and ice loading with a span of 65 m between level supports has…

A: Given length of span l =65 m weight of conductor =w=3.5 kg Total weight =wt =6 kg weight of ice wi…

Q: With respect to conductor insulation, describe the following location ratings: a. Dry b. Damp c. Wet

Q: 3. The towers of height 35 m and 95 m respectively support a transmission line conductor at water…

Q: 1.A. When a grounding electrode conductor is connected to the grounded conductor within a…

A: (1.A) According to Section 250.24(B) of National electricity code (NEC) , When ground electrode…

Q: a) (i) Describe the main purpose of insulators in overhead transmission lines. (ii) Explain the…

A: transmission lines- Electrical transmission lines are very high Voltage, high power circuits usually…

Q: () List any three factors to be considered for mechanical design of overhead lines

A: According to our expert policy only one individual question is to answered.kindlybrepost the…

Q: A transmission line has a span of length 250 m and the weight of the conductor per metre length is…

A: The solution can be achieved as follows.

Q: Calculate the value of full-load absorbing reactive loss for 3-phase, 450 MVA, 50 Hz, 400kV, 400 mm2…

Q: Determine the best current density in amperes/mm2 for a three phase overhead line. The line is in…

A: Given that,ρ=1.73Ω-mJ=6200 Kg/m3Cost of Conductor =Rs. 3/KgTotal time=2000 hoursWeight=6200 Kg/m3Let…

Q: 1) What is the allowable ampacity of a single #2 THHN conductor that is installed in a conduit with…

A: It is asked to find the the allowable ampacity of a single #2 AWG THHN conductor that is installed…

Q: QUESTION 5 a) What is the difference between neutral and earth? b) Differentiate between…

A: In a three phase system, there are two ways to connect a three phase load. Star/Wye Connection.…

Q: Which among these statements is false or incorrect? A. The length of the Sag is generally small…

A: The sag is the difference between the height on which the conductor is leveled on the pole and the…

Q: The span of an overhead line is 220 m, weight of conductor is 604 kg/km and ultimate tensile…

Q: _______ is not considered an effective ground-fault current path. a) Ground b) Equipment grounding…

A: “Since you have asked multiple questions, we will solve the first question for you. If youwant any…

Q: 14. If the center conductor of a coaxial cable is made to have smaller diameter, all other things…

Q: An overhead transmission line conductor consists of hard drawn copper conductor of diameter 15 mm,…

Q: Restrictions on types of conduits used for installing service, sub panel, emergency service panel.

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: In a power system having three conductors A, B and C of a 3-phase line carrying currents IA, IB and…

A: The three-phase line is represented by the phase A, B, and C, the current across the given conductor…

Q: The towers of height 45 m and 85 m respectively support a transmission line conductor at water…

Q: ) List any three factors to be considered for electrical design of overhead lines

A: List any three factors to be considered for electrical design of overhead lines. as per our…

Q: a) High Voltages are preferred for Transmission of Electricity. Why? b) Why Generation Voltage…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Example 2: Calculate maximum sag of a line with the conductor material over all diameter o.889cm,…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A protective conductor connecting exposed conductive parts of equipment to the main earthing…

A: In earthing a conductor is used to connect the exposed conductive parts(metallic parts) of various…

Q: Airframe Electrical System Question: Why should solid, round conductor wire be avoided in aircraft?…

A: Solid, round conductor wire should be avoided in aircraft because, due to flight vibration and…

Q: Which of the following criteria is correct for the mechanical design of the overhead line? Minimum…

A: Design parameters of design mechanical design of the overhead line.

Q: (a) (i) Describe the main purpose of insulators in overhead transmission lines. (ii) Explain the…

Q: An overhead transmission line has a span of 250 m and the weight of the line conductor is 0.68 kg…

Q: A set of conductors is used to supply residential unit with a total load current of 60 A at a…

Q: Explain the meaning of the term “bundle conductor transmission line" and discuss the effects of its…

A: A single-stranded conductor is used for transmitting the power from one end to the other ends when…

Q: The towers of height 45 m and 80 m respectively support a transmission line conductor at water…

Q: An overhead line is supported between two towers which are at the same vertical height from the…

Q: Which of the following criteria is correct for the electrical design of the overhead line? O Tensile…

A: Need to find the criteria for Electrical design of overhead line

Q: 15 A certain type of Suspension Type Insulator is used to sustain heavy tensile loads of conductors…

A: Given that Suspension type insulator is used to sustain heavy tensile loads of conductors when the…

Q: what is the effect of skin effect in resistance of transmission line conductors

A: The explanation is as follows.

Q: a) High Voltages are preferred for Transmission of Electricity. Why? b) Why Generation Voltage…

Q: The towers of height 45 m and 80 m respectively support a transmission line conductor at water…

Q: single-phase power line comprises two conductors each with a radius 8.0 mm and spaced 1.2 m apart in…

Q: o (i) Describe the main purpose of insulators in overhead transmission lines. (ii) Explain the…

A: The explanation is as follows.

Concept explainers

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

Question

100%

Which of the following is not a criteria for the
mechanical design of an overhead line?
O Minimum distance between conductor
and earth
O Maximum clearance between the
conductor and ground
O Tensile stress of the conductor
O Thermal capacity of the conductor must
be adequate

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Please Explanation with Hand Written proper calculation with Draw. Other wise leave the Question. A overhead transmission line comprising of two parallel conductors having 1.5 cm of diameter of each. Conductor spacing is 1m. Calculate the or inductive reactance of line at 50 Hz frequency.
15 A certain type of Suspension Type Insulator is used to sustain heavy tensile loads of conductors when the line has to turn a corner or stop at a dead end. Select one: True False
On the 1km long dc distributor above the applied voltage at point O is 200V. Lengths ??? = 100?,??? = 600? and the impedance for the conductor material per 10000m is ?? = 5 < 53.130Ω. Calculate:a. The potential at point C b. Current along section OC of the distributor
2.a. What's defined as an assembly consisting of a service raceway, guy wires or braces, service head, andany fittings necessary for the termination and support of overhead service conductors?A. Drip loopB. Service lateralC. Service dropD. Service mast 2.b. What's likely to happen when connected parallel conductors are different lengths?A. An NEC violationB. Misidentification of conductor cablesC. An uneven distribution of currentD. Conductor termination
The voltage drop percentage for a panel feeder with a no continuous load of 180A, using 3/0 THWN copper conductors at 480V, three-phase, and a length of 248' is
n an ungrounded electrical systems with conductors installed in grounded metal raceways and enclosures, what is the voltage from the current carrying conductors to the metal raceways and WHY?
What is the rated ampacity per phase for six No. 3/0 THHN copper current-carrying conductors with two conductors per phase ( parallel) and all conductors installed in the same conduit? a. 280 b. 315 c. 320 d. 360 Please show work/code references to go with if possible!
1)Restrictions on types of conduits used for installing service, sub panel, emergency service panel. 2Requirements for underground or overhead services. 3Type of protection requirements for raceways containing conductors (i.e.conductor sizes). 4Temperature correction factors associated with installation. 8. Voltagedropconsiderations
1) What is the allowable ampacity of a single #2 THHN conductor that is installed in a conduit with eight total current-carrying conductors? Assume the conduit is located on the roof (1/4” above the roof) in Nebraska (maximum ambient temperature is 42 degrees Celsius). 2) What is the allowable ampacity of a #8 AWG TW conductor installed in a dry location with an ambient temperature of 52 degrees Fahrenheit?.
For the overhead line of configuration shown in Figure 4.33 operating at 60 Hz and a conductor temperature of 700C, determine the resistance per phase, inductive reactance in ohms/mile/phase, and the current-carrying capacity of the overhead line. Each conductor is ACSR Cardinal of Table A.4.
Overhead transmission-line conductors are bare with no insulating cover. (a) True (b) False
a. How many feet of 2-conductor bell wire cable are required? ______ b. How many feet of 3-conductor bell wire cable are required? ______