method for improving string efficiency 

1 Answer

Answer :

The Methods of Improving String Efficiency:-  


1) By reducing value of ‘m’ or (‘k’) by using longer cross arm.

2) By Making of ‘m’ or (‘k’) equal to zero

3) By grading Insulator.

4) By Using guard ring.



Related questions

Last Answer : String efficiency is used for measuring the degree of utilization of SCR.

Description : Explain energy conservation technique “by improving power quality” for induction motor.

Last Answer : Energy conservation method in induction motor by improving power quality: Electrical energy can be conserved by improving the power quality. It can be achieved by avoiding voltage unbalance, maintaining ... losses can be minimized by using harmonic filter thus reducing the harmonics in the system.

Description : Do you have any string?

Last Answer : There is string in out garage. And it’s string, not twine. I’ve used it to tie a stuffed pork tenderloin. I also have yarn, which is like furry string.

Description : How To Make A String Can Telephone

Last Answer : Materials: 2 tin cans with one hole punched in bottom string Instructions: 1) Prior to the meeting, punch a hole in the bottom of each tin can using a nail and a hammer. 2) Thread string through hole in bottom of can and knot. 3) Pull string taut to ‘talk’ over the telephone.

Description : How to String a Tennis Racquet

Last Answer : How to String a Tennis Racquet If you're a professional tennis player, your racquet is your best friend. It'll need proper care, and one important maintenance task you need to do for it is ... forget to do this maintenance tactic, otherwise you'll find yourself with a faulty racquet in the court!

Description : The number of insulator discs (each rated 11 kV) required in a suspension type insulator string of 220 kV line is 

Last Answer : The number of insulator discs (each rated 11kV) required in a suspension type insulator string of 220 kV line is 16

Description : "Efficiency of thermal power station is low". — Justify. 

Last Answer : Justification: Efficiency of thermal power station is low":- Overall efficiency of T.P.P depends upon efficiency of boiler, turbine and alternator. The heat produced due to combustion of coal ... losses in thermal power plant is 71%, So efficiency of thermal power plant is less about 29% 

Description : Transformer efficiency

Last Answer : Transformer efficiency

Description : A transformer operates 24 hours day at full -load. It's full -load efficiency is :  (A) equal all day efficiency (B) more than all -day efficiency (C) less than all -day efficiency (D) equal to maximum efficiency

Last Answer : A transformer operates 24 hours day at full -load. It's full -load efficiency is : equal all day efficiency 

Last Answer : The efficiency of transformer is Greater than electrical Machine because there is no rotational losses in transformer and there is no air gap losses in transformer so losses is less in transformer compare to electrical machine so efficiency is higher in case of transformer.

Last Answer : Transformer efficiency is maximum when copper losses are equal to iron losses.

Description : SEER: Seasonal Energy Efficiency Ratio (SEER)

Last Answer : SEER: Seasonal Energy Efficiency Ratio (SEER), is most commonly used to measure the efficiency of a central air conditioner. The higher the SEER, the more efficient the system OR It is the ... the ratio of total capacity to the total KW energy usage at specific humidity and temperature condition.

Description : State why a transformer always have an efficiency of more than 90%.

Last Answer : As transformer is static device with no moving parts, the losses due to friction & windage are completely absent. Hence transformer has efficiency of more than 90%.

Description :  Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span 

Last Answer : Parameter LED CFL Lamp Efficiency  High (more than 70 lumen per watt) Comparatively less (50-60 lumen per watt) Life span (in working hours) 10000 3000

Description : Define PIV, TUF, ripple factor, efficiency of rectifier.

Last Answer : PIV: Peak Inverse Voltage (PIV) is defined as the maximum negative voltage which appears across non-conducting reverse biased diode. TUF : Transformer Utilization Factor (TUF) is defined as the ratio of DC output ... Efficiency of rectifier: η = DC output power/ AC input power = PLdc / Pac

Description : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Last Answer : What is the efficiency of Class-B amplifier?  A) 68.50% B) 78.50% C) 88.50% D) 98.50%

Description : The overall efficiency of Thermal Power Plant is equal to _______________ .  (A) Regenerative Cycle Efficiency (B) Renkine Cycle Efficiency (C) Carnot cycle efficiency (D) None of the above

Last Answer : The overall efficiency of Thermal Power Plant is equal to Regenerative Cycle Efficiency. 

Description : The rankine cycle efficiency of steam power plant is  (1) 60-80% (3) 30-45% (2) 45-80% (4) 20-30%

Last Answer : The rankine cycle efficiency of steam power plant is 30-45%

Description : Transmission efficiency of a transmission line increases with the

Last Answer : Transmission efficiency of a transmission line increases with the increase in power factor and voltage

Description : For high efficiency of transfer of power, internal resistance of the source should be?

Last Answer : For high efficiency of transfer of power, internal resistance of the source should be less than the load resistance.

Last Answer : The efficiency of diesel locomotives is nearly 20 to 25 percent.

Last Answer : The overall efficiency of steam locomotive is around 5 to 10 percent.

Last Answer : D.C. generators are normally designed for maximum efficiency around full-load.

Last Answer : The condition for maximum efficiency for a D.C. generator is variable losses equal to constant losses.

Last Answer : The range of efficiency for shaded pole motors is 5% to 35%.

Last Answer : The efficiency of a properly designed synchronous motor will usually fall in range 85 to 95%.

Last Answer : Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 percent full load.

Last Answer : The efficiency of a power transformer is of the order of 98 percent.

Last Answer : An ideal transformer will have maximum efficiency at a load such that copper loss equal to iron loss.

Description : For a transformer, operating at constant load current, maximum efficiency will occur at?

Last Answer : For a transformer, operating at constant load current, maximum efficiency will occur at unity power factor.

Description : The efficiency of two identical transformers under load conditions can be determined by?

Last Answer : The efficiency of two identical transformers under load conditions can be determined by back-to-back test.

Description : The efficiency of a transformer, under heavy loads, is comparatively low because?

Last Answer : The efficiency of a transformer, under heavy loads, is comparatively low because copper loss becomes high in proportion to the output.

Description : Which motor have more efficiency, synchronous motor or induction motor?

Last Answer : Synchronous motor has more efficiency.

Description : Practical method of improving string efficiency a) Increasing crass arms length b) Using different size of insulators c) Using different insulator materials d) Using of guard rings

Last Answer : Ans: Increasing crass arms length*

Description : What's the argument against putting a toilet (stool) in a shower stall?

Last Answer : Since the toilet paper would be getting wet, you are saying you would just clean yourself with soap and water?

Description : Hospital Quality?

Last Answer : You need to look at their outcomes and their budgets. Otherwise you have now basis on which to make the judgment.

Description : How can I easily release one drop of liquid dish soap at a time?

Last Answer : answer:Congrats. You found a person just as cheap as you are. I have a little pump soap dispenser that does exactly this. I made you a video of it. https://www.youtube.com/watch?v=ij_-04eKylY

Description : Does a car run more efficiently if it is used more often?

Last Answer : answer:No, but you are more efficient at using the car, because now you are familiar with its quirks and behaviors and it is second nature to you as you drive your daily commute. There may have ... s mileage was? And are you calculating this yourself or are you relying on a display from the car?

Description : What evolutionary advantage did the compulsion toward religion confer on humans?

Last Answer : Have there really been 110 billion humans? I think I’ll need a source for that. Every biologist I’ve ever heard mention it says that more people are alive today than have ever been alive in the past. So, we’re talking 16 billions, max.

Description : I am requesting recommendations on a really light efficient carry on?

Last Answer : I have a nylon sports bad that folds down to the size of a wallet, and expands to hold all the things you have mentioned. It is very lightweight, yet strong.

Description : Do you experience any social pressure to do things that are more productive?

Last Answer : answer:Nah, I don't pressure anyone to be productive. A lot of people I know and hang out with are very successful, so who am I to tell them what to do in the free time that they have?! Myself ... I do feel like I'm watching too much tv, I'll stop and go walk or something more productive though.

Description : Would it be more efficient in winter to have refrigerators and freezers be able to draw air from the outside?

Last Answer : answer:Food in my outside refrigerator freezes in the winter. It’s not such a great idea. As far as cooling, it’s cold as hell, though.

Description : Cost of refuse; Which municipal system can best handle a small amount of mixed small-sized refuse ?

Last Answer : I dump my dust-buster baggie into the woods. If there is something obvious, like a paper clip, baggie tie or diamond stud, I fish it out first.

Description : What labor saving device do you wish someone would invent now?

Last Answer : Self-clipping cat nails and self-cleaning litter box.

Description : What are some tricks and "systems" you have found help you to achieve high levels of productivity?

Last Answer : Simple method, but “to do” lists really help me get the muddle out of my head so that I can start attacking projects systematically. When I leave work for the week, I jot down what I want to start working on the next week.

Description : Do you live close enough to your work to bike or walk? Why/why not?

Last Answer : I do! We just moved to a house that is close enough to work/school for me to bike. I got a screaming deal on a Trek on Craig's List, now all I have to do is finish a tune-up on the bike ... roads. That being said, I live in a city with zero bike lanes and I will be taking sidewalks the entire route.

Description : Are your smoke alarms working?

Last Answer : answer:Yes, they are brand new. They weren't working for a long time. :X My neighbor, and close friend, was in a house fire and she is always on my case about my smoke alarms. Finally got them in ... 'm trying to figure out what type they are, but I can't see to read them where they are attached.

Description : Music buffs, which classic three-piece band did you believe was better overall?

Last Answer : Hendrix, Robin Trower, Frank Marino, Ted Nugent, Triumph..in that order. Out of your 3, I would give the nod to Rush for best use of sound.

Description : Pros and cons of recycling?

Last Answer : answer:There are really no cons to recycling, but, there IS personal choice and the math of logic. When I was married and raising a family I recycled a lot more than I do now as a single ... down and tossed into the underbrush, is sprouting into a bamboo bush under the giant poison oak bush. haha

Description : LED lights on cars. If only one is out, can you be pulled over by police?

Last Answer : I wouldn’t think so. But I don’t know.