How can I calculate the ground reaction of a grounded ship??

1 Answer

Answer :

‘reaction’? What do you mean? When it tips? If the hull tears?

Related questions

Description : Do you know anyone who was never grounded as a child?

Last Answer : Yes. Me (and my kids).

Description : Difference between earthing and grounding ?

Last Answer : In grounding the current carrying part like neutral of the transformer is directly connected to the ground. ... The grounding balanced the unbalanced load whereas the earthing protect the equipment and human from an electrical shock.

Description : Resistance grounding is normally used for :  (A) high voltage long over head transmission lines  (B) low voltage short over head transmission lines  (C) extra high voltage long over head transmission lines  (D) all the above

Last Answer : Resistance grounding is normally used for : low voltage short over head transmission lines

Description : How can I obtain the longitudinal strength of a ship??

Last Answer : answer:Welcome to ask-public. Look, I've been around boats and sailed for nearly all of my life. I love boats (though I've never built one). But I have no idea what it is you're asking ... naval architect or marine engineer with a very specific question about what it is that you're trying to learn .

Description : According to Coast Guard Regulations (46 CFR), the talking and calling circuits of a sound powered telephone system must be _____________. A. intrinsically safe B. independent of each other C. independently grounded D. connected to a common ground

Last Answer : Answer: B

Description : In preparing to take insulation resistance readings on a main generator, the windings should be grounded for about 15 minutes prior to the test to _____________. A. allow accurate zeroing of the meter ... the windings D. help the windings to cool to the same temperature as the ground test connection

Last Answer : Answer: C

Description : If all of the ground detection lamps burn with equal brilliance, whether the test button is depressed or released, then ___________. A. no grounds exist B. all phases are grounded C. all lamps show a ground D. all of the above

Last Answer : Answer: A

Description : In the illustrated test, if the lamp fails to light on any of the three windings then _________. EL-0027 A. all three windings are grounded and the motor should be sent out for repair B. ... the motor controller and the controller should be checked D. the test should be redone at a higher voltage

Last Answer : Answer: C

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

Description : If all three ground-detection lamps continue to burn at equal intensity after the test button is depressed and released, which of the listed conditions is indicated? A. No grounds exist B. All three phases are grounded C. The test switch is faulty D. The current transformers are shorted out

Last Answer : Answer: A

Description : The circuit illustrated represents a 2 wire DC ground detecting system. If the positive bus is grounded and the test button is pushed, which of the lamps will be brightest? EL-0008 A. X B. Y C. both will be equal brightness. D. both will go out.

Last Answer : Answer: C

Description : On a switchboard, if all three ground detection lamps remain burning at half intensity when the test button is depressed, which of the listed conditions is indicated? A. No grounds exist. B. All three phases are grounded. C. The test switch is grounded. D. The current transformers are shorted.

Last Answer : Answer: A

Description : To determine if a stator coil is grounded, you should use a/an _____________. A. ammeter B. ground detection lamp C. magneto D. megger

Last Answer : Answer: D

Description : The final step in testing a circuit for a ground involves the use of a megohmmeter. A grounded switch or cable will be indicated by a megohmmeter reading of ____________. A. 'zero' B. infinity C. steady in the high range D. unsteady in the low range

Last Answer : Answer: A

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

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

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

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

Last Answer : C. unbalanced

Description : In the inverting configuration when the noninverting input is grounded, the inverting input is at (signal, virtual) ground

Last Answer : Virtual.

Description : I live Q. I live in an old apartment building without grou in an old apartment building without grounded elect nded electrical outlets and I rical outlets and I cannot place a cannot place a ground rod outside in the Earth. What can I do?

Last Answer : If you don't mind a you don't mind a wire running through your apartmen wire running through your apartment, you could conn t, you could connect your Earthing ect your Earthing product to the cold ... Earthing mat in your office or in your office or place of work if place of work if practical.

Description : I sleep grounded at night but would like to ground myself during the day as well. What do you recommend? I do not walk recommend? I do not walk around barefoot outside (d around barefoot outside (dogs!).

Last Answer : Depending on your activities, you might choose between body bands and the universal mat. You can be more mobile with the bands. Put one around your wrist, or ankle, or knee. If our wrist, ... would give you the most bands would give you the most convenient groundi convenient grounding time. ng time.

Description : If I sleep on the ground in a sleeping bag am I grounded?

Last Answer : Some part of your body needs to be A. Some part of your body needs to be in direct con in direct contact with the Earth in order for you t tact with the Earth in order for you to get the full ... out of the sleeping bag in c out of the sleeping bag in contact with the Earth. ontact with the Earth

Description : I live in Chicago and my cement basement floor is cold, so I am reluctant to ground myself bare foot on that surface. Could I get grounded there by using an un-insulated metal container, filled with warm water and still get the same results?

Last Answer : Back to Top he floor is uncomfortable, you can use a metal conta le, you can use a metal container as you suggest.

Description : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Last Answer : Calculate the radius of the first Bohr orbit of a `He^(+)` ion and the binding energy of its electron in the ground state.

Description : Calculate the energy of hydrogen atom in the ground state given that the after Bohr orbit og hydrogen is `5xx10^(-11)m` and electronic charge is `1.6x

Last Answer : Calculate the energy of hydrogen atom in the ground state given that the after Bohr orbit og hydrogen is ` ... electronic charge is `1.6xx10^(-19) C`.

Description : A ground station is operating to a geostationary satellite at a 5° angle of elevation. Calculate the round-trip time between ground station and satellite. A. 275 s B. 275 ms C. 137.5 s D. 137.5 ms

Last Answer : B. 275 ms

Description : Why do we call sending a child to his/her room as "grounded" ?

Last Answer : It was originally a piloting term that got borrowed by parents. When pilots aren't allowed to fly for some reason-including bad behavior-they are said to be grounded (since they are stuck on the ... want, the term got applied in that context as well (originally as slang, but then it stuck).

Description : Does anybody know any ways to not get grounded?

Last Answer : Don’t mention it until he does. Then you can interrupt with, “I’ve been thinking about it a lot and I’m really sorry I used language Iike that.” If you don’t get punished, of course, you’ll have to watch your language. If he still insists on punishment, take it like a man.

Description : I am really struggling in algebra, and I'm afraid I'll be grounded if I fail. Any suggestions?

Last Answer : Ask for help.

Description : Is it bad that our washer and dryer are plugged into non-grounded outlets?

Last Answer : answer:You should absolutely be concerned. Here is some simple knowledge most people don't know. A power strip prevents your stuff from getting hurt. And it does a very bad job it it. Grounding keeps ... law is a licensed electrician and we had a long talk about this one night about 10 years ago.

Description : Have you ever digitally grounded your kids?

Last Answer : I was digitally grounded about four years ago, and oh man it was horrible, I felt disconnected, out of the loop and generally made me very moody, for the first work I resented my mother. ... shops, housekeeping and looking after my younger sister. Safe to say i'm happy I was digitally grounded.

Description : What is the best way to clean grounded-in cat feces?

Last Answer : Oh, brother. Can you afford the guys who steam clean carpets (is it a carpet issue or wooden floors)?

Description : What would you do if you were grounded from your iPad and computer, phone or any electronics?

Last Answer : I would not talk until I get them back!!

Description : One end of a cylindrical rod is grounded to a hemispherical surface of radius`R=20mm`.It is immersed in water`(mu=4//3)`.If the refractive index of th

Last Answer : One end of a cylindrical rod is grounded to a hemispherical surface of radius`R=20mm`.It is immersed in water`(mu ... is ................(determine)

Description : To draw the maximum current from a combination of cells, how should be the cells be grounded ?

Last Answer : To draw the maximum current from a combination of cells, how should be the cells be ... of internal and external resistance D. Mixed grouping

Description : What does it mean to say that a conducter is grounded?

Last Answer : It means the conductor insulation failed and come in contactwith ground or earth.

Description : Which of the following statements concerning electrical cables is correct? A. Where they pass through watertight bulkheads, they should be fitted with watertight stuffing boxes. B. Electric cable coverings should ... , or glued in place where nonmetallic insulation is used. D. All of the above.

Last Answer : Answer: A

Description : All electric cables passing through watertight bulkheads must be _____________. A. installed with watertight stuffing tubes B. grounded on both sides of the bulkhead C. fitted with unions on each side of the bulkhead D. welded on both sides of the bulkhead

Last Answer : Answer: A

Description : When using the test set-up shown in the illustration, the lighted lamp indicates the winding is ____________. EL-0027 A. grounded B. good C. open D. shorted

Last Answer : Answer: A

Description : When using a megohmmeter to determine which shunt field coil is grounded in a DC machine, you must ____________. A. insulate the field frame from the ship's hull B. disconnect each shunt ... C. use a motor driven high capacity megohmmeter D. remove all main line lead connections before testing

Last Answer : Answer: B

Description : Which of the listed conditions might contribute to very rapid wearing of a DC machine's commutator bars? A. A grounded commutator bar B. Using improper carbon brushes C. Aligning the front and rear mica V-rings improperly D. An open circuit in the armature

Last Answer : Answer: B

Description : An open armature connection in a DC propulsion motor could be caused by ____________. A. low-load operation B. clogged ventilation ducts C. sparking at the brushes D. a grounded shunt field coil

Last Answer : Answer: B

Description : When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Last Answer : Answer: B

Description : A circuit that has one of two wires in contact with the hull of a ship, is called a _____________. A. grounded circuit B. short circuit C. series circuit D. closed circuit

Last Answer : Answer: A

Description : A circuit with a blown fuse would be described as a/an _____________. A. short circuit B. open circuit C. bonded circuit D. grounded circuit

Last Answer : Answer: B

Description : In the illustration, the tan and white wires are connected to the solenoid valve. The solinoid valve is_________. EL-0043 A. in the liquid line before the TXV B. energized and open whenever the unit ... so the unit must be modified before using aboard ship D. the water inlet for the ice maker

Last Answer : Answer: D