For one ac cycles .. alternator needs to rotate??

please answer
by

1 Answer

Answer :

360 degree .

180 Degree Positive and 180 degree negative
by

Related questions

Which of the following statements is true concerning the operation of two alternators in parallel? A. The cycles per second of each alternator are the same. B. Both alternator governors must be set with the same amount of speed droop. C. The number of field poles must be the same on each alternator. D. The load must always be divided equally between alternators.

Description : Which of the following statements is true concerning the operation of two alternators in parallel? A. The cycles per second of each alternator are the same. B. Both alternator governors must be set ... be the same on each alternator. D. The load must always be divided equally between alternators.

Last Answer : Answer: A

The cycles per second developed by the alternator aboard your vessel is determined by _____________. A. the speed of the engine driving the alternator B. the resistance applied to the field rheostat C. the synchronous speed of induction D. the adjustments made to the voltage regulator

Description : The cycles per second developed by the alternator aboard your vessel is determined by _____________. A. the speed of the engine driving the alternator B. the resistance applied to the field rheostat C. the synchronous speed of induction D. the adjustments made to the voltage regulator

Last Answer : Answer: A

The amount of voltage induced in the windings of an AC generator depends mainly on _____________. A. the number of field poles energized B. the speed at which the stator windings rotate through the magnetic field C. the strength of the magnetic field D. all of the above

Description : The amount of voltage induced in the windings of an AC generator depends mainly on _____________. A. the number of field poles energized B. the speed at which the stator windings rotate through the magnetic field C. the strength of the magnetic field D. all of the above

Last Answer : Answer: C

An AC generator produces 60 Hz at 1800 RPM. If the generator speed is increased to 1830 RPM, the cycles will _____________. A. remain at 60 Hz B. increase to 61 Hz C. decrease to 59 Hz D. increase to 63 Hz

Description : An AC generator produces 60 Hz at 1800 RPM. If the generator speed is increased to 1830 RPM, the cycles will _____________. A. remain at 60 Hz B. increase to 61 Hz C. decrease to 59 Hz D. increase to 63 Hz

Last Answer : Answer: B

When paralleling two AC generators, the frequency (cycles) of the incoming generator, just prior to closing the circuit breaker, should be _____________. A. slightly less than the frequency of the generator on the line B. the same as the frequency of the generator on the line C. slightly more than the frequency of the generator on the line D. all of the above

Description : When paralleling two AC generators, the frequency (cycles) of the incoming generator, just prior to closing the circuit breaker, should be _____________. A. slightly less than the frequency of the generator on ... C. slightly more than the frequency of the generator on the line D. all of the above

Last Answer : Answer: C

The number of cycles per second occurring in AC voltage is known as the _____________. A. phase angle B. frequency C. wave form D. half mode

Description : The number of cycles per second occurring in AC voltage is known as the _____________. A. phase angle B. frequency C. wave form D. half mode

Last Answer : Answer: B

When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is?

Description : When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is? A.12 V B.120 V C.240 V D.2,400 V

Last Answer : When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is? A.12 V B.120 V C.240 V D.2,400 V

The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330

Description : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Last Answer : The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 ohms load. The turns ratio is 3:1. What is the secondary voltage? A.2 V B.20 V C.180 V D.18 V

Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor

Description : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

Last Answer : Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is? A.16.54 V B.1.65 V C.10.60 V D.5.93 V

What is the Difference between ac belt and alternator belt?

Description : What is the Difference between ac belt and alternator belt?

Last Answer : In some cars. one belt drives both the alternator and the airconditioning. In other cars, each has its own belt. Depends on thecar. The alternator belt runs whenever the engine is running, theAC belt turns, but is only running under load when the ACcompressor is turned on to get cold air.

What is the Difference between ac belt and alternator belt?

Description : What is the Difference between ac belt and alternator belt?

Last Answer : In some cars. one belt drives both the alternator and the airconditioning. In other cars, each has its own belt. Depends on thecar. The alternator belt runs whenever the engine is running, theAC belt turns, but is only running under load when the ACcompressor is turned on to get cold air.

An open occurring within the field rheostat of an AC generator can be detected by short circuiting its terminals and observing a ____________. A. negative deflection of the wattmeter pointer B. positive deflection of the wattmeter pointer C. buildup of alternator voltage D. low, but constant alternator voltage

Description : An open occurring within the field rheostat of an AC generator can be detected by short circuiting its terminals and observing a ____________. A. negative deflection of the wattmeter pointer B. ... of the wattmeter pointer C. buildup of alternator voltage D. low, but constant alternator voltage

Last Answer : Answer: C

The standard method of controlling the output voltage of a 440 volt, 60 Hz, AC generator is accomplished by adjusting the ____________. A. prime mover speed droop B. number of poles C. alternator field excitation D. load on the alternator

Description : The standard method of controlling the output voltage of a 440 volt, 60 Hz, AC generator is accomplished by adjusting the ____________. A. prime mover speed droop B. number of poles C. alternator field excitation D. load on the alternator

Last Answer : Answer: C

The frequency of an AC generator is adjusted by means of the ____________. A. main alternator field rheostat B. exciter field rheostat C. prime mover governor control D. equalizing reactor

Description : The frequency of an AC generator is adjusted by means of the ____________. A. main alternator field rheostat B. exciter field rheostat C. prime mover governor control D. equalizing reactor

Last Answer : Answer: C

The output voltage of a 440 volt, 60 Hz AC generator is controlled by the ______________. A. load on the alternator B. load on the prime mover C. speed of the prime mover D. exciter output voltage

Description : The output voltage of a 440 volt, 60 Hz AC generator is controlled by the ______________. A. load on the alternator B. load on the prime mover C. speed of the prime mover D. exciter output voltage

Last Answer : Answer: D

The output voltage of a three-phase alternator is regulated by the _____________. A. AC voltage to the armature B. AC voltage to the field C. DC voltage to the armature D. DC voltage to the field

Description : The output voltage of a three-phase alternator is regulated by the _____________. A. AC voltage to the armature B. AC voltage to the field C. DC voltage to the armature D. DC voltage to the field

Last Answer : Answer: D

The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the _____________. A. prime mover speed B. exciter output voltage C. load on the alternator D. number of poles

Description : The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the _____________. A. prime mover speed B. exciter output voltage C. load on the alternator D. number of poles

Last Answer : Answer: B

Why AC generator is called Alternator?

Description : Why AC generator is called Alternator?

Last Answer : An alternator is such a machine which produces alternation electricity. It is a kind of generator which converts mechanical energy into alternating electrical energy.

Why do clocks rotate in a "Clockwise" direction?

Description : Why do clocks rotate in a "Clockwise" direction?

Last Answer : Because that is the direction that the shadow on sun dials moved, at least on the northern hemisphere. That is my guess.

Besides a circle, is there any other shape that can rotate within a triangle?

Description : Besides a circle, is there any other shape that can rotate within a triangle?

Last Answer : Some sort of hexagonal shape with enough sides would, but aside from that I don’t think so. However some sides would loose contact, so if that is a requirement I would say no, there is nothing aside from a circle.

How can I rotate an object?

Description : How can I rotate an object?

Last Answer : I have taken a screenshot of the rotate options in Word that show up. Here’s the screenshot. screenshot of rotate object options You can access more rotate options to rotate it through any angle other than 90 degrees. I don’t know about open office.

With what software can I edit/rotate mov. files?

Description : With what software can I edit/rotate mov. files?

Last Answer : AVS4you is one of many free tools that allows you to do this.

How to make the Rotate command appear in Maya>?

Description : How to make the Rotate command appear in Maya>?

Last Answer : Do you mean that the manipulator handle doesn’t show or something else?

I need to rotate one windows in Windows 7?

Description : I need to rotate one windows in Windows 7?

Last Answer : answer:Rotation of the iPod window is driven by iPod movement, like any other app. VNC should not be locked down to a single vert/horz view. (Here is an example of it working correctly.) Perhaps you have an older VNC version. Try an update and it should work fine.

$10 to rotate the iBook trackpad?

Description : $10 to rotate the iBook trackpad?

Last Answer : Why not just use a mouse or external track pad? I think that would solve your dilemma. As for software I’ve never heard of anything that does this, so I’d be interested to see if anyone comes up with a find too.

What kind of small toys or devices click when you rotate them forwards and backwards? Seeking mechanism or design...

Description : What kind of small toys or devices click when you rotate them forwards and backwards? Seeking mechanism or design...

Last Answer : Gambling wheels and putting cards in your bike spokes come to mind

Is there a nes emulator that supports screen rotation? Or any other possible way to rotate the monitor's display?

Description : Is there a nes emulator that supports screen rotation? Or any other possible way to rotate the monitor's display?

Last Answer : SNES9x might handle screen rotation.

How to rotate iBook G4 display?

Description : How to rotate iBook G4 display?

Last Answer : Why do you need to read it in portrait? I dont think standing the notebook on its side is best for it or the hard drive.

How much is it to rotate and re-align my tires?

Description : How much is it to rotate and re-align my tires?

Last Answer : After reading your question's details, I'm thinking you might be needing a lot more than a tire rotation and re-alignment. Car versus street signs can't be good on the rest ... Here is today's public service message for you: Friends don't let friends drive drunk.

I need this "thing" that goes on the driver's seat and allows a handicapped person to sit on it, then rotate it (using their body) to position their feet on the pedals.

Description : I need this "thing" that goes on the driver's seat and allows a handicapped person to sit on it, then rotate it (using their body) to position their feet on the pedals.

Last Answer : lots of customized cars around here have swivel seats. Check with a local shop. Around here there are a ton of stereo/custom car shops

How do I rotate my tires on a FWD?

Description : How do I rotate my tires on a FWD?

Last Answer : you can really rotate them any way you want but i have found that the best way is to bring the front wheels back and cross them so they will wear evenly.

Is there a way I can rotate (landscape > portrait) a digital photo without changing its (Windows XP) timestamp?

Description : Is there a way I can rotate (landscape > portrait) a digital photo without changing its (Windows XP) timestamp?

Last Answer : Xp has several timestamps. Are you talking about the date modified timestamps? If so then no, you can't modify the picture without affecting that info. One option is to set your system time to the ... the time stamp will be basically the same as before. Let me know if this answers your question.

I recently bought a TV that allows me to rotate the picture so it is upside down, mirror image or upside down mirror image. Huh? Do you know why a person would need or want to this feature on a television set?

Description : I recently bought a TV that allows me to rotate the picture so it is upside down, mirror image or upside down mirror image. Huh? Do you know why a person would need or want to this feature on a television set?

Last Answer : Someone who watches TV through a mirror a lot?

how often do you need to rotate your tires?

Description : how often do you need to rotate your tires?

Last Answer : I've heard you should do this every 7500 miles, or every 2nd oil change.

What is the phenomenon that makes a spoked wheel when turning at a certain speed appear to rotate backward?

Description : What is the phenomenon that makes a spoked wheel when turning at a certain speed appear to rotate backward?

Last Answer : Don't remember what it's actually called, but basically-- the camera is capturing at, say, 30 frames per second, and at its simplest, the wheel is spinning at 30 times per second. With an 18" wheel, that ... symmetric. If the wheel has 6 spokes, than you could get the "stopping" at as low as 16 mph.

Adobe rotate and save?

Description : Adobe rotate and save?

Last Answer : Using the ‘rotate’ button only changes the way you are viewing the document; it doesn’t change the document itself. If you want the page to stay rotated after you close the file, click Document > Rotate pages, and specify which pages and in which direction. Then you can save those changes.

What is the use of homogeneous coordinates and matrix representation? a.To treat all 3 transformations in a consistent way b.To scale c.To rotate d.To shear the object

Description : What is the use of homogeneous coordinates and matrix representation? a.To treat all 3 transformations in a consistent way b.To scale c.To rotate d.To shear the object

Last Answer : a.To treat all 3 transformations in a consistent way

The resultant of a force acting on a body will be zero, if the body a.Rotates with uniform acceleration b.Moves along a curved path c.Rotates d.Does not rotate e.Rotates with uniform deceleration

Description : The resultant of a force acting on a body will be zero, if the body a.Rotates with uniform acceleration b.Moves along a curved path c.Rotates d.Does not rotate e.Rotates with uniform deceleration

Last Answer : d. Does not rotate

The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be a.46.4 b.26.74 c.11.6 d.3.2 e.17.7

Description : The number of revolutions through which a pulley will rotate from rest if its angular acceleration is increased uniformly from zero to 12 rad per sec2 during 4 sec and then uniformly decreased to 0 rad per sec2 during the next 3 sec would be a.46.4 b.26.74 c.11.6 d.3.2 e.17.7

Last Answer : b. 26.74

The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant of gravity and buoyancy forces of the body c.The same as centre of gravity d.The metacentre of the body e.The point in a body about which it can rotate horizontally and oscillates under the influence of gravity

Description : The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant ... .The point in a body about which it can rotate horizontally and oscillates under the influence of gravity

Last Answer : a. The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis

How is Flip tool different from Rotate tool? -Technology

Description : How is Flip tool different from Rotate tool? -Technology

Last Answer : Using a Flip tool on an image produces its mirror image.Whereas , Rotate tool helps to rotate an image by different angles.

Python : How to rotate the text on X-axis ticks in a Matplotlib plot -Web-Development

Description : Python : How to rotate the text on X-axis ticks in a Matplotlib plot -Web-Development

Last Answer : answer:

How does the earth rotate around its axis? -Do You Know?

Description : How does the earth rotate around its axis? -Do You Know?

Last Answer : answer:

How long does the earth rotate in an hour? -General Knowledge

Description : How long does the earth rotate in an hour? -General Knowledge

Last Answer : The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second--or roughly 1,000 miles per hour.

In which direction does the Earth rotate on its axis? -General Knowledge

Description : In which direction does the Earth rotate on its axis? -General Knowledge

Last Answer : answer:

How long does the earth rotate in an hour? -General Knowledge

Description : How long does the earth rotate in an hour? -General Knowledge

Last Answer : The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second--or roughly 1,000 miles per hour.

How long does the Earth take to rotate 1 degree longitude? -General Knowledge

Description : How long does the Earth take to rotate 1 degree longitude? -General Knowledge

Last Answer : answer:

what- The Ferris wheel has forty spokes. The center of rotation is the vertex of each triangle.How many degrees does the Ferris wheel rotate from one gondola to the next?

Description : what- The Ferris wheel has forty spokes. The center of rotation is the vertex of each triangle.How many degrees does the Ferris wheel rotate from one gondola to the next?

Last Answer : 9 degrees

How long does it take for Mercury to rotate on its own axis ?

Description : How long does it take for Mercury to rotate on its own axis ?

Last Answer : Mercury takes 57 days , 16 hours to rotate on its own axis .