# What is the permissible flux density in case of cold rolled grained oriented steel?

139 views
What is the permissible flux density in case of cold rolled grained oriented steel?

The permissible flux density in case of cold rolled grained oriented steel is 1.7 Wb/m2.

## Related questions

89 views

Description : Flux density formula

Last Answer : Flux density formula

833 views

Description : Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.

Last Answer : (i) Magnetic flux density (B): It is the magnetic flux per unit area measured at right angles to the flux path. (Its unit is weber/m2 or tesla).  (ii) Reluctance: It is the ... flux to set up through it and it is reciprocal of reluctance. Permeance = 1/ Reluctance. Unit: weber/ampere.

90 views

Description : Give the relation between magnetic field strength, magnetic flux density and permeability.

145 views

Description : Define magnetic flux density and state its formula.

Last Answer : The magnetic flux per unit area is called as magnetic flux density. Magnetic flux density is denoted by B. The formula for magnetic flux density is Weber per metre square or Tesla. Mathematically ... the unit of magnetic flux density is Weber per metre square which is also called as Tesla.

381 views

Description : In an induction motor if the flux density is reduced to one-half, of its normal value then the torque will  (1) reduce to one-half (2) reduce to one-fourth (3) remain unchanged (4) increase four times

Last Answer : In an induction motor if the flux density is reduced.to one-half, of its normal value then the torque will reduce to one-fourth

248 views

Last Answer : If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by Blv.

166 views

Last Answer : Flux density is denoted by B. And it is given as B = flux/ area Where, the unit of flux is Weber and unit of area is meter square. So the unit of flux density is weber per meter square which is also called as Tesla.

3.0k views

Description : Justify the statements. 1. IGBT uses a vertically oriented structure. 2. IGBT is preferred as a power switch over both power BJT and MOSFET. 3. Punch through IGBT structure are more popular and are widely used.

Last Answer : 1. IGBT uses vertically oriented structure. IGBT use vertically oriented structure to reduce the resistance and to increase the current flow area. Hence IGBT uses vertically oriented ... DC circuit applications. Hence punch through IGBT structure are more popular and are widely used.

503 views

Description : The permissible voltage variation in transmission and distribution system is:  (A) ± 0.1% (B) ± 1% (C) ±10% (D) ± 25%

Last Answer : The permissible voltage variation in transmission and distribution system is: ±10%

378 views

Description : The path of magnetic flux in a transformer should have?

Last Answer : The path of magnetic flux in a transformer should have low reluctance.

10 views

Description : For 275 kV transformers, using cold rolled grain oriented steel, which of the following values of flux density may be used? (a) 1.0 Wb/m2 (b) 1.1 Wb/m2 (c) 1.3 Wb/m2 (d) 1.6 Wb/m2 (e) None of the above

Last Answer : (d) 1.6 Wb/m2

9 views

Description : Steel Shovels

Last Answer : Steel shovels are the best. They have all the good qualities of a shovel with a wooden handle bar, and more. Steel shovels, for one thing, will last you a long, long time. Steel shovels might be ... . Try to consider these things before you make a choice. Will it be tough steel, or lighter wood?

18 views

Description : How to Install a Steel Door and Frame

Last Answer : How to Install a Steel Door and Frame Installing a steel door and frame for safety is a good project to consider. The door and frame often come as a set, making the process easier. After the ... board width. Nail new wallboard in place so that it stays against the door frame. Tape and plaster.

10 views

Description : How to Polish Stainless Steel

Last Answer : How to Polish Stainless Steel Contrary to what its name suggests, the gleam of stainless steel items can be marred by grime, dirt, and mildew, making them look shabby. Normal washing, at ... life to your old stainless steel fixtures by applying any of the household solutions or commercial cleansers.

3.5k views

Description : The function of steel wire in ACSR conductors is (A) To take care of surges. (B) To reduce corona. (C) To reduce inductance. (D) To provide additional mechanical strength

Last Answer : The function of steel wire in ACSR conductors is To provide additional mechanical strength

163 views

Description : Which of the following is the advantage of using CRGO steel in transformers? A) High magnetic flux density B) Low permeability C) Both A and B D) None of these

Last Answer : It definitely High Magnetic Flux Density since a crgo steel has always a more around 3% of silicon proportion among the remaining ferrite which make cold rolled grain oriented steel having high flux magnetic ... for more about the crgo core you can learn here https://nicoreindia.com/crgo-core/

421 views

Description : Silicon steel is used in electrical machines because it has?

Last Answer : Silicon steel is used in electrical machines because it has low hysteresis loss.

111 views

Description : Hard steel is suitable for making permanent magnets because?

Last Answer : Hard steel is suitable for making permanent magnets because it has good residual magnetism.

169 views

Description : Define the following terms and state their units: (i) Luminous intensity, (ii) Luminous flux

Last Answer : i) Luminous intensity: This is defined as the luminous flux emitted into a solid angle of space in a specific direction. Its unit is the candela.  OR  The luminous flux per unit solid angle ( ... energy radiated by the light source in all direction. The unit of luminous flux is lumen (lm)

1.2k views

Description : Describe the concept of leakage flux, useful flux and fringing with neat diagram.

129 views

Description : Define useful flux, leakage flux and fringing.

232 views

Description : Explain the leakage flux and its effect with the help of neat diagram.

622 views

Description : In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as  (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator

Last Answer : In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as synchronous generator

109 views

Description : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

Last Answer : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

223 views

Description : It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its .......... is held constant.

Last Answer : It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its armature current is held constant.

2.0k views

Description : The property of a material which opposes the creation of magnetic flux in it is known as?

Last Answer : The property of a material which opposes the creation of magnetic flux in it is known as reluctance.

79 views

Description : The unit of magnetic flux is?

Last Answer : The unit of magnetic flux is weber.

2.6k views

Last Answer : Interpole flux should be sufficient to neutralise both the armature reaction flux as well as commutating e.m.f. induced in the coil.

142 views

Description :  An energy signal has G(f) = 20. Its energy density spectrum is A) 20 B) 100 C) 400 D) 800

116 views

Description : In lead acid battery the density of acid indicates the  (1) charge of the battery (2) level of acid (3) e.m.f of the battery (4) damage of the plates

Last Answer : In lead acid battery the density of acid indicates the charge of the battery

16 views

Description : The cold rolled grain oriented steel has ______ permeability in the direction of the grain orientation. (a) minimum (b) maximum (c) nil (d) none of the above

2 views

Description : Does cold weather or a cold room really contribute to bone, muscle and joint pain?

Last Answer : Yes. My feet hurt the night when I walk barefoot in my house on a cold day.

2 views

Description : Would penguins let me huddle up with them on a cold winter night in the south pole?

Last Answer : They do fall for fake penguins, so it could work if you wore a penguin costume.

0 views

Description : Can being anemic make a person feel cold all the time?

Last Answer : For some types of anemia, apparently yes.

0 views

Description : Cooling off when hot, or warming up when cold, which is achievable quicker and more effectively accomplished?

Last Answer : It’s much easier for me to cool down. When I’m cold, it can be hours before I get warm again unless I’m provided with a very warm environment to recover in.

1 view

Description : Which part of your body can you not stand in the least to get cold?

Last Answer : Ears and stomach.

0 views

Description : Oh no I feel a cold coming on what should I do?

Last Answer : answer:Sambucol. Zicam. I know it’s just this side of Voodoo, but I believe it works. Hot bath, hot broth and to bed helps, too.

2 views

Description : If it's really, REALLY cold in your neck of the woods, what are some occupations you would hate to be employed in?

Last Answer : Working in the dairy section of the grocery store.

1 view

Description : Would you rather have a cold forever, or cancer?

7 views

Description : Most effective way to clear phlegm from the throat from a cold?

Last Answer : a nettie pot and hot salty water gargles. Stay away from dairy, and if you must eat dairy, eat it warm.

0 views

Description : How cold is it in your neighborhood tonight? Minus 10 F here.

Last Answer : 53°F Bbrrrr. I wish it would warm up.

0 views

Description : How much does being cold all the time impact your life?

Last Answer : I just got out of a hot bath. The temp in the room is in the high 60sF. I feel perfect. Why not take a hot bath?

1 view

Description : How can you treat dry, red cheeks brought on by winter cold?

0 views

Description : Why do your hands hurt when they are cold ?

Last Answer : To give you the idea you should warm them up before they are irreversibly damaged.

3 views

Description : Do you have any remedies for clearing up a cold sooner?

Last Answer : There are those lovely mint throat bonbons that you should be able to buy at any supermarket. Those should help. Or tea with honey.

1 view

Description : How cold is it in your "neck of the woods?"?

Last Answer : It is now a balmy 21 F ;)

1 view

Description : Which do you prefer heat or cold?

Last Answer : Cold! At least if you're cold, you can wear something warm and comfy, bring out the blankets and hot water bottles, put on the heater and get something hot to drink, and everything is all warm and fuzzy and ... sticky and wet - i hate having my jeans soaked on my backside! Oh, and i was born in May.

0 views

Description : How long will this cold last?

Last Answer : answer:My grandma Birdie Finkel said that no matter what you do, it is 7 days in and 7 days out. Treat the symptoms; rest, fluids, tea with honey (and possibly a jigger of rum), chicken soup, ice cream, ginger tea, Tylenol. Feel better, dear skfinkel.