The self GMD method is used to evaluate

1 Answer

Answer :

The self GMD method is used to evaluate inductance and capacitance

Related questions

Description : Self inductance formula

Last Answer : Self inductance formula

Description : Self induced voltage across an inductance

Last Answer : Self induced voltage across an inductance

Description : Why is self definition an important part of growing up?

Last Answer : There are so many possible paths to take - in careers, relationships, faiths, life experiences - that not knowing what's meaningful to you is paralyzing. We would miss out on so much if we didn't have any ... here the best it can be. Also, you'll fall for anything if you don't stand for something.

Description : Tesla'S Self Sustaining Energy

Last Answer : The current is equivalent to the water converted to gases in Tesla's description of the self-acting engine. The current would "escape" from the "sink" into whatever load was connected across the coil. ... his vision of "increasing human energy through the use of the sun's energy" become a reality.

Description : How to Do a Testicular Self Exam

Last Answer : How to Do a Testicular Self Exam Testicular cancer is a serious cause for concern among many men. It is also a sensitive topic; outside of jokes and ribbing, not too many men are willing ... these simple steps, you can halt the possibility of testicular cancer before it starts to ravage your body.

Description : The self inductance of a coil can be measured using (A) Wien’s Bridge (B) Schering Bridge (C) Anderson’s Bridge (D) Wheatstone Bridge

Last Answer : The self inductance of a coil can be measured using Anderson’s Bridge

Last Answer : Series motor has got maximum self relieving property.

Description : A synchronous motor can be made self starting by providing?

Last Answer : A synchronous motor can be made self-starting by providing damper bar.

Description : How is a three phase cage induction motor self starting?

Last Answer : Any type of induction motor is self starting. Because the reason for torqe production require two flux displaced by some angle theta.If theta is constant with time then torqe will be constant;if ... torqe also pulsating. In induction motor this angle theta is not pulsating.so it is self starting 

Description : Is induction motor is self starting?

Last Answer : Single phase induction motor is not self starting. Three phase induction motor is self starting.

Description : Describe fire extinguishing method.

Last Answer : (i) Carbon Dioxide Extinguishing Systems  This type is the most suitable & widely recommended one for electrical fires. Carbon dioxide (CO2) extinguishers are normally Class C ... particles to expand chemically inhibiting combustion and expelling the oxygen thereby smothering the flames.

Description : Merits of two wattmeter method

Last Answer : Advantages of Two Wattmeter Method for 3-Phase Power Measurement: 1) It is used for balanced as well as unbalanced load. 2) For the star type load, it is not necessary to ... reactive volt-amperes for balanced loads also. 7) The circuit connections are independent of load connection.

Description : Write one advantage and one disadvantage each for spring control method and gravity control method.

Last Answer : Advantages of Spring Control Method: 1) The spring-controlled meters may be used in any position. 2) In some instruments, springs can be used as current leads. 3) As springs are light in weight ... only. 2) Scale is non-uniform. 3) Control weights add to the weight of instrument.

Description : State any two disadvantages of one wattmeter method of measurement of 3 phase power.

Last Answer : State any two disadvantages of one wattmeter method of measurement of 3 phase power. Disadvantages of one wattmeter method:- 1. Only used for balanced load 2. It can not be used for ... connection then neutral point must be available 4. Delta connection must be opened to connect current coil.

Description : With neat diagram explain calibration of energy meter by direct loading method.

Last Answer : Calibration of Energy Meter by Direct Loading Method:  There are three methods for testing/calibration:  1. Long period dial test  2. Using rotary sub- standard meter  3. Using precision grade instruments  All ... of substandard meter in kWh  Then % error = [(D - DS)/DS] x 100

Description : Explain V- I method of measurement of medium resistance. 

Last Answer : In this method, use suitable source, ammeter and voltmeter and connect them as shown in the above diagram. Take reading of voltmeter and ammeter, then value of resistance = R = V/I Ω To minimise the error take 4 to 5 observation for the same resistance and take their average.

Description : Explain spring control method with neat diagram.

Last Answer : Spring Control Method: As shown in the figure the inner ends of the both springs are attahced to the spindle ,while outer end of upper spring is attached to the lever and outer end of ... the springs are twisted in opposite direction to the motion of pointer and produce controlling torque.

Description : List one advantage and one disadvantage of one wattmeter method. 

Last Answer : Advantages:  1) Only one wattmeter is used.  2) Less number of connections.  3) Cost required is less.  Disadvantages:  1) Used only for 3- Φ balanced load and not for ... be accessible for connecting the Pressure coil.  3) Delta connection must be opened to connect current coil. 

Description : List any four errors in induction type energy meter. Give method of compensation for each.

Last Answer : Errors in Induction Type Energy Meter with their Compensation:  1) Error due to friction: This error can be compensated by the additional shading band provided on the shunt electromagnet.  2) Phase ... error: This error can be compensated by providing a flux diverter' to the current magnet. 

Description : How to Choose a Birth Control Method

Last Answer : How to Choose a Birth Control Method Birth control methods depend on the couple's needs and commitment to the method. Some couples just need to prevent pregnancy while others wish to avoid sexually- ... unplanned sex, a broken condom or failure to take birth control pills two days in a row.

Description : How to Use the Rhythm Method

Last Answer : How to Use the Rhythm Method The rhythm method is one of the many natural ways of birth control. This technique is based on the length of your menstrual cycle. Here are some tips you can ... their phases. There are numerous natural birth control techniques. Use the one the best suits your needs.

Description : Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.

Last Answer : Types of Triggering: 1) Forward voltage triggering 2) Thermal triggering (Temperature triggering) 3) Radiation triggering (Light triggering) 4) dv/dt triggering 5) Gate triggering ... generated leakage current increases. This current gets multiplied internally and thyristor is turned on. 

Description : Illustrate with neat wiring diagram a single lamp control by two point method.

Last Answer : Single lamp control by two point method:  This system is commonly used for stair case wiring. It consists of two way switches (the switch operates always in one of the two possible positions) the ... the person will change the position of switch S2, so that the lamp will be switched OFF'.

Description : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Last Answer : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Description : Draw and explain bulk correction method for power factor & control.

Last Answer : Bulk correction method for power factor & control: i) Here individual starter controls the capacitors located at distribution panel. ii) Centralized compensation is employed in large industrial plants where many ... capacitor units in steps to maintain P.F. more than preset limit (0.95). 

Description : Explain energy conservation method in lighting system by using installation of separate transformer / servo stabilizer.

Last Answer : Energy conservation techniques by installation of separate transformer / servo stabilizer: The luminous efficiency of lamps depends upon the voltage applied across the terminals. It gives its best ... the voltage constant in that installation for giving best luminous efficiency of lamps.

Description : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity

Last Answer : The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity

Description : Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration C, more number of iterations and more time per iteration D. more number of iterations and less time per iteration

Last Answer : Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration ... of iterations and more time per iteration D. more number of iterations and less time per iteration

Description : The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge

Last Answer : The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge

Last Answer : Plugging braking method can bring the locomotive to dead stop.

Last Answer : Plugging method of braking is generally used in elevators.

Last Answer : Regenerative method of braking is based on that back e.m.f. is equal to the applied voltage.

Last Answer : The main disadvantage of the Ward-Leonard control method is high initial cost, high maintenance cost, low efficiency at light loads.

Last Answer : For constant torque drive armature voltage control speed control method is preferred.

Last Answer : Speed control by Ward Leonard method gives uniform speed variation in both directions.

Last Answer : Annual depreciation as per straight line method, is calculated by the capital cost minus the salvage value, is divided by the number of years of life.

Description : How many chances would you expect from others before labelling you?

Last Answer : One good honest chance is all it should take.

Description : How to develop a good daily routine?

Last Answer : answer:Pick one thing from the wish-list, and store the list away in a drawer. Take that one thing and integrate it into your reminder system (whatever that may be - phone, paper calender, ... would only involve repeating the process with the next item on your long list once the habit has stuck.

Description : What is your best feature and how do you think you would cope if you "lost" it?

Last Answer : My left foot, I fear if I lost it i’d hop about the place while adopting the acting style of Daniel Day Lewis.

Description : What's in it for me?

Last Answer : Egoism is not always bad. It is a matter of taking into account the wishes of yourself and those of another. It is about self-confidence and clearly define what you want and especially do not want. Many ... I decide who and when you can come see me. Not everybody likes that, but I really need that.

Description : When you say, "I believe..." what do you mean by "I"?

Last Answer : I mean myself, as a person. I know it sounds simpler than it is but it isn’t. insert your detail section here so I sound just as cool

Description : What kind of a villian are you?

Last Answer : duh…Caligula, of course

Description : What is your opinion of the label "Secular Humanist"?

Last Answer : I don’t think it was necessary to make such a classification for non religious people who believe in science but we sure do love to categorize things so of course we have to have a name for it.

Description : Is pride important to you?

Last Answer : There is good pride and bad pride. I try and hold on to the good and to hell with the bad.

Description : What is your ideal body type?

Last Answer : For an SO or for myself?

Description : Do you consider yourself Selfish or Altruistic?

Last Answer : answer:I lean more towards being altruistic. I am one of those helper type people. A good example would be that this is the 367th question I have answered, but I have only asked 8. My ex husband once ... other people, and he thought it wasn't healthy for me. He said I feel other people's pain.

Description : A conductor is composed of seven identical copper strands, each having a radius 'R'. Then what is self GMD (Geometric Mean Distance) of the conductor?  (A) 2.645 R (B) 2.177 R (C) 2.141 R (D) 1.21 R 

Last Answer : Self GMD of the seven strand conductor is 49th root of the distances. ThusDs = [(r')7 × (D²12 × D²26 × D14 × D17)6 × (2)6]1/49= [(0.7788 r)7 × (2²r² × 3 × 2²r² × 2²r × 2r)6]1/49 = 2r[3(0.7788)]1/7 = 2.177 r 61/49

Description : State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them. 

Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc  ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.

Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last Answer : Parts Insulating Materials  Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils.  ... Transformer bushings Porcelain  Insulation between transmission line and pole. Porcelain

Description : State the material used for making (1) Magnetic Core (2) Fuse element  

Last Answer : The material used for making of:  (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel  (2) Fuse Element: Tin- lead wire, Tinned copper wire