When a transmission line uses ground return, it is called a/an __________ line. A. ungrounded B. balanced C. unbalanced D. grounded

When a transmission line uses ground return, it is called a/an __________ line.
A. ungrounded
B. balanced
C. unbalanced
D. grounded
by

1 Answer

Answer :

C. unbalanced
by

Related questions

Transmission lines are either balanced or unbalanced with respect to _________. A. negative terminal B. input C. ground D. positive terminal

Description : Transmission lines are either balanced or unbalanced with respect to _________. A. negative terminal B. input C. ground D. positive terminal

Last Answer : C. ground

What type of balun (balanced-to-unbalanced) is used in high frequency applications? A. Transformer type balun B. A specially configured coaxial transmission line C. A specially configured parallel-wire line D. A λ/2 transformer balun

Description : What type of balun (balanced-to-unbalanced) is used in high frequency applications? A. Transformer type balun B. A specially configured coaxial transmission line C. A specially configured parallel-wire line D. A λ/2 transformer balun

Last Answer : B. A specially configured coaxial transmission line

A transmission line consisting of two conductors that have equal resistance per unit length. A. Unbalanced line B. Open-wire line C. Balanced line D. Coaxial line

Description : A transmission line consisting of two conductors that have equal resistance per unit length. A. Unbalanced line B. Open-wire line C. Balanced line D. Coaxial line

Last Answer : C. Balanced line

Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common talking circuit is composed of two ungrounded wires. C. The ringing circuit has two grounded wires connected to each station. D. The talking and calling circuits are electrically dependent upon each other.

Description : Which of the following statements is correct concerning the circuits in a sound powered telephone system? A. The ringing circuit is composed of only one common wire to ground. B. The common ... connected to each station. D. The talking and calling circuits are electrically dependent upon each other.

Last Answer : Answer: B

An ungrounded antenna near the ground A. acts as a single antenna of twice the height B. is unlikely to need an earth mat C. acts as antenna array D. must be horizontally polarized

Description : An ungrounded antenna near the ground A. acts as a single antenna of twice the height B. is unlikely to need an earth mat C. acts as antenna array D. must be horizontally polarized

Last Answer : C. acts as antenna array

The outer conductor of a coaxial transmission line is always grounded at the A. Input only B. Input and output C. Output only D. Point of high SWR

Description : The outer conductor of a coaxial transmission line is always grounded at the A. Input only B. Input and output C. Output only D. Point of high SWR

Last Answer : B. Input and output

Ungrounded neutral transmission system is not recommended because of system (a) insulation being overstressed due to over voltages (b) insulation overstress may lead to failure and subsequent phase to phase faults (c) being inadequately protected against ground fault (d) all of the above

Description : Ungrounded neutral transmission system is not recommended because of system (a) insulation being overstressed due to over voltages (b) insulation overstress may lead to failure and subsequent phase to phase faults (c) being inadequately protected against ground fault (d) all of the above

Last Answer : (d) all of the above

The antenna efficiency of an HF grounded vertical antenna can be made comparable to that of a half-wave antenna A. By installing a good ground radial system B. By isolating the coax shield from ground C. By shortening the vertical D. By lengthening the vertical

Description : The antenna efficiency of an HF grounded vertical antenna can be made comparable to that of a half-wave antenna A. By installing a good ground radial system B. By isolating the coax shield from ground C. By shortening the vertical D. By lengthening the vertical

Last Answer : A. By installing a good ground radial system

How can the antenna efficiency of an HF grounded vertical antenna be made comparable to that of a half-wave antenna? A. By lengthening the vertical B. By installing a good ground radial system C. By shortening the vertical D. By isolating the coax shield from ground

Description : How can the antenna efficiency of an HF grounded vertical antenna be made comparable to that of a half-wave antenna? A. By lengthening the vertical B. By installing a good ground radial system C. By shortening the vertical D. By isolating the coax shield from ground

Last Answer : B. By installing a good ground radial system

Which of the following represents a characteristic of an ungrounded electrical distribution system? A. Accidental contact between one line and ground does not cause an outage. B. Double ground faults on different phases will not cause an outage. C. Ground detection systems are unnecessary. D. Accidental contact between one line and ground will always cause an outage.

Description : Which of the following represents a characteristic of an ungrounded electrical distribution system? A. Accidental contact between one line and ground does not cause an outage. B. Double ground faults on ... unnecessary. D. Accidental contact between one line and ground will always cause an outage.

Last Answer : Answer: A

If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded

Description : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then  (A) zero sequence currents are present on both sides of the transformer  (B) ... side  (D) zero sequence currents are present on the primary side but not on the secondary side

Last Answer : If an unsymmetrical line to ground fault occurs at the secondary terminals of a delta/star, ungrounded transformer, then zero sequence currents are absent on both sides of the transformer 

If the terminating impedance is exactly equal to the characteristic impedance of the transmission line the return loss is ___________. A. zero B. one C. infinite D. None of these

Description : If the terminating impedance is exactly equal to the characteristic impedance of the transmission line the return loss is ___________. A. zero B. one C. infinite D. None of these

Last Answer : C. infinite

The transformer which transforms unbalanced line to a balanced line is better known as

Description : The transformer which transforms unbalanced line to a balanced line is better known as  (A) Impedance transformer (B) Amplifier (C) Balun (D) Oscillator

Last Answer : The transformer which transforms unbalanced line to a balanced line is better known as Balun 

Ungrounded neutral transmission system is not recommended because of system?

Last Answer : Ungrounded neutral transmission system is not recommended because of system insulation being overstressed due to over voltages, insulation overstress may lead to failure and subsequent phase to phase faults, being inadequately protected against ground fault.

Is a A child being pushed on a swing a balanced or unbalanced force?

Description : Is a A child being pushed on a swing a balanced or unbalanced force?

Last Answer : Feel Free to Answer

Is an An asteroid traveling through space at a constant speed a balanced or unbalanced force?

Description : Is an An asteroid traveling through space at a constant speed a balanced or unbalanced force?

Last Answer : Feel Free to Answer

What are the forces on a kicked soccer ball balanced or unbalanced How do you know?

Description : What are the forces on a kicked soccer ball balanced or unbalanced How do you know?

Last Answer : What is the answer ?

If a book is hanging from a rope are the forces balanced or unbalanced and why?

Description : If a book is hanging from a rope are the forces balanced or unbalanced and why?

Last Answer : The forces at work are balanced. Gravity is pulling the book (and the rope) down, and the rope exerts an equal and opposite force to keep the book suspended.

balanced vs unbalanced transportation models differentiated?

Description : balanced vs unbalanced transportation models differentiated?

Last Answer : 17. What major benefits do corporations and investors enjoy because of the existence of organized security exchanges

Differentiate between: (a) Reactants and products (b) A balanced and an unbalanced chemical equation

Description : Differentiate between: (a) Reactants and products (b) A balanced and an unbalanced chemical equation

Last Answer : (a) Reactants and products Reactants 1. The substances that react with one another are called reactants. 2. Reactants are written on the left hand side of equation. Products 1. The new substances formed are ... are not equal to the number of elements on product side. 2. Ex- H2 + Cl2 → 2HCl

Which of the following systems produce a vibration in the foundation? (A) Coupled machine(B) Uncoupled machine (C) Balanced machine (D) Unbalanced machine

Description : Which of the following systems produce a vibration in the foundation? (A) Coupled machine(B) Uncoupled machine (C) Balanced machine (D) Unbalanced machine

Last Answer : (D) Unbalanced machine

Which of the following systems produce a vibration in the foundation? (A) Coupled machine (B) Uncoupled machine (C) Balanced machine (D) Unbalanced machine

Description : Which of the following systems produce a vibration in the foundation? (A) Coupled machine (B) Uncoupled machine (C) Balanced machine (D) Unbalanced machine

Last Answer : (D) Unbalanced machine

Which of the following systems produce a vibration in the foundation? a) Unbalanced machine b) Balanced machine c) Coupled machine d) Uncoupled machine

Description : Which of the following systems produce a vibration in the foundation? a) Unbalanced machine b) Balanced machine c) Coupled machine d) Uncoupled machine

Last Answer : a) Unbalanced machine

When there are several projects are executing simultaneously, matrix organization allows a better companywide A. Balance of resources B. Prioritized resources C. Balanced capital D. Unbalanced resources

Description : When there are several projects are executing simultaneously, matrix organization allows a better companywide A. Balance of resources B. Prioritized resources C. Balanced capital D. Unbalanced resources

Last Answer : Balance of resources

If no. of rows are not equal to number of columns and the matrix elements are profit elements then the problem is: a. Balanced and Maximization Transportation problem b. Unbalanced and Maximization Transportation problem c. Balanced and Maximization Assignment problem d. Unbalanced and Maximization Assignment problem

Description : If no. of rows are not equal to number of columns and the matrix elements are profit elements then the problem is: a. Balanced and Maximization Transportation problem b. ... Transportation problem c. Balanced and Maximization Assignment problem d. Unbalanced and Maximization Assignment problem

Last Answer : a. Balanced and Maximization Transportation problem

If no. of rows are equal to number of columns and the matrix elements are Time elements then the problem is: a. Balanced and Minimization Transportation problem b. Unbalanced and Minimization Transportation problem c. Balanced and Minimization Assignment problem d. Unbalanced and Minimization Assignment problem

Description : If no. of rows are equal to number of columns and the matrix elements are Time elements then the problem is: a. Balanced and Minimization Transportation problem b. ... Transportation problem c. Balanced and Minimization Assignment problem d. Unbalanced and Minimization Assignment problem

Last Answer : c. Balanced and Minimization Assignment problem

If profit, sales, production, etc is given then it is _________ a. Balanced problem b. Unbalanced problem c. Maximization problem d. Minimization problem

Description : If profit, sales, production, etc is given then it is _________ a. Balanced problem b. Unbalanced problem c. Maximization problem d. Minimization problem

Last Answer : c. Maximization problem

If cost, time, etc is given, then it is ________ a. Balanced problem b. Unbalanced problem c. Maximization problem d. Minimization problem

Description : If cost, time, etc is given, then it is ________ a. Balanced problem b. Unbalanced problem c. Maximization problem d. Minimization problem

Last Answer : d. Minimization problem

If the number of jobs is not equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Description : If the number of jobs is not equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Last Answer : b. Unbalanced

If the number of jobs is equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Description : If the number of jobs is equal to the number of resources, then the problem is term as _____ assignment problem a. Balanced b. Unbalanced c. Equal d. Unequal

Last Answer : a. Balanced

The loads on distributors systems are generally (a) balanced (b) unbalanced (c) either of the above (d) none of the above

Description : The loads on distributors systems are generally (a) balanced (b) unbalanced (c) either of the above (d) none of the above

Last Answer : (b) unbalanced

Define for polyphase circuit (i) Balanced load (ii) Unbalanced load. Draw one example circuit for each type of load.

Description : Define for polyphase circuit (i) Balanced load (ii) Unbalanced load. Draw one example circuit for each type of load.

Last Answer : i) Balanced Load: Balanced three phase load is defined as star or delta connection of three equal impedances having equal real parts and equal imaginary parts.  Example circuit:  ii) ... satisfy the condition of balance, then it is called as unbalanced load.  Example circuit:

Define balanced and unbalanced load in three phase circuit.

Description : Define balanced and unbalanced load in three phase circuit.

Last Answer : Balanced Load: When all the imedances of 3 phases are equal in magnitude and of same nature then load is said to be balanced.  Unbalanced Load: When all the imedances of 3 phases are not equal in magnitude and of different nature then load is said to be unbalanced.

The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is

Description : The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is  A) 1 B) 2 C) 3 D) 4

Last Answer : B

Which antenna is not grounded at one end? A. Hertz B. Marconi C. Dipole D. Whip

Description : Which antenna is not grounded at one end? A. Hertz B. Marconi C. Dipole D. Whip

Last Answer : C. Dipole

One of the following prevents a transmitter from emitting a signal that interferes with other stations on frequency during the test. A. Use of low height antenna B. Use of grounded antenna C. Use of dummy antenna D. Use of shielded antenna radiator

Description : One of the following prevents a transmitter from emitting a signal that interferes with other stations on frequency during the test. A. Use of low height antenna B. Use of grounded antenna C. Use of dummy antenna D. Use of shielded antenna radiator

Last Answer : C. Use of dummy antenna

What is the characteristic impedance of a single wire with a diameter d= 0.25 mm placed at the center between grounded parallel planes separated by 1 mm apart. The wire is held by a material with a velocity factor of 0.75. A. 85 Ω B. 63 Ω C. 50 Ω D. 75 Ω

Description : What is the characteristic impedance of a single wire with a diameter d= 0.25 mm placed at the center between grounded parallel planes separated by 1 mm apart. The wire is held by a material with a velocity factor of 0.75. A. 85 Ω B. 63 Ω C. 50 Ω D. 75 Ω

Last Answer : D. 75 Ω

What happens when the common terminal of V+ and V- sources is not grounded?

Description : What happens when the common terminal of V+ and V- sources is not grounded?

Last Answer : If the common point of the two supplies is not grounded, twice the supply voltage will get applied and it may damage the op-amp

The total propagation delay time from transmission to reception of signals from a ground transmitter to ground receiver with angle of elevation at 10 degrees respectively is A. 273 ms B. 239 ms C. 275 ms D. 260 ms

Description : The total propagation delay time from transmission to reception of signals from a ground transmitter to ground receiver with angle of elevation at 10 degrees respectively is A. 273 ms B. 239 ms C. 275 ms D. 260 ms

Last Answer : A. 273 ms

The total space loss of transmission and reception for two ground stations with uplink frequency 8GHz and a downlink of 6 GHz with angle of elevations of 3˚ and 7˚ A respectively is A. 403 dB B. 100 dB C. 20 dB D. 215 dB

Description : The total space loss of transmission and reception for two ground stations with uplink frequency 8GHz and a downlink of 6 GHz with angle of elevations of 3˚ and 7˚ A respectively is A. 403 dB B. 100 dB C. 20 dB D. 215 dB

Last Answer : A. 403 dB

Man-made noise is usually from _______. A. transmission over power lines and by ground wave B. sky-wave C. space-wave D. troposphere

Description : Man-made noise is usually from _______. A. transmission over power lines and by ground wave B. sky-wave C. space-wave D. troposphere

Last Answer : A. transmission over power lines and by ground wave

I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?

Description : I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?

Last Answer : My understanding is that the surge protector helps keep your equipment safe. And the grounding helps keep you safe. The surge protector will trip a circuit so any power spikes won't damage your stuff that is ... least that is how my brother in law explained it to me. (he is a licensed electrician)

A voltmeter located on a control panel has been operating correctly for six months, suddenly burns out. After removing it, it is found that neither side of the meter has been grounded. When installing the new meter it should be __________. A. grounded to the negative side B. connected to a large resistor between the positive side and the ground C. installed exactly as the old installation D. grounded to the positive side

Description : A voltmeter located on a control panel has been operating correctly for six months, suddenly burns out. After removing it, it is found that neither side of the meter has been grounded. When ... side and the ground C. installed exactly as the old installation D. grounded to the positive side

Last Answer : Answer: C

A satellite stay in orbit because the following two factors are balanced A. Satellite weight and speed B. Gravitational force and centrifugal force C. Centripetal force and speed D. Satellite weight and the pull of the moon and sun

Description : A satellite stay in orbit because the following two factors are balanced A. Satellite weight and speed B. Gravitational force and centrifugal force C. Centripetal force and speed D. Satellite weight and the pull of the moon and sun

Last Answer : B. Gravitational force and centrifugal force

What mixer type has the lowest spurious signals? A. Double-balanced B. Single-balanced C. Super-heterodyner D. Heterodyner

Description : What mixer type has the lowest spurious signals? A. Double-balanced B. Single-balanced C. Super-heterodyner D. Heterodyner

Last Answer : A. Double-balanced

The output of a balanced modulator is ____________. A. LSB and USB B. LSB C. USB D. Carrier

Description : The output of a balanced modulator is ____________. A. LSB and USB B. LSB C. USB D. Carrier

Last Answer : A. LSB and USB

In the phase shift method, How many circuits must be balanced? A. None of these B. 1 C. 4 D. 2

Description : In the phase shift method, How many circuits must be balanced? A. None of these B. 1 C. 4 D. 2

Last Answer : D. 2