Please Log in or Register for more.

The dielectric strength of transformer oil is expected to be?

The dielectric strength of transformer oil is expected to be?

210 views

asked Mar 19, 2018 by anonymous

1 Answer

Answer :

The dielectric strength of transformer oil is expected to be 33 kV.

answered Mar 19, 2018 by anonymous

Please log in or register to answer this question.

Related Questions

Define Dielectric Strength for transformer oil. State its value for new transformer oil.

Define Dielectric Strength for transformer oil. State its value for new transformer oil.
Last Answer : Dielectric strength is defined as the maximum voltage that can be applied to across to the Fulid with out electrical breakdown is called Dielectric strength.

85 views 1 answer

asked Apr 16, 2020 by anonymous

Define : (i) Dielectric strength (ii) Breakdown voltage

Define : (i) Dielectric strength (ii) Breakdown voltage
Last Answer : (i) Dielectric strength: The voltage which a dielectric material can withstand without breaking down (without losing its dielectric property) is called its dielectric strength. It is represented by kV/mm ... or is no longer an insulator) for a specified thickness, is its breakdown voltage.

109 views 1 answer

asked Sep 4, 2018 by anonymous

What is dielectric strength of an insulating material? What is its unit?

What is dielectric strength of an insulating material? What is its unit?
Last Answer : Dielectric Strength: The dielectric strength of an insulating material is the maximum voltage which the insulating medium can withstand without breakdown. Unit is volts per millimeter (V/mm), or kV/mm or kV/cm

112 views 1 answer

asked Sep 4, 2018 by anonymous

What is dielectric breakdown strength?

What is dielectric breakdown strength?

77 views 0 answers

asked Mar 10, 2018 by anonymous

63 The dielectric strength of transformer oil is expected to be A. 1kV B. 33kV C. 100kV D. 330 kV

63 The dielectric strength of transformer oil is expected to be A. 1kV B. 33kV C. 100kV D. 330 kV
Last Answer : B. 33kv

16 views 1 answer

asked Jul 21, 2021 by jyoti kurekar

Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk

Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk
Last Answer : (i) Polyvinyl Carbide(PVC):it is used in insulation of wires and cables in domestic wiring as well as in aircraft and factory wiring (any one) (ii) Glass: 1) Alkaline glasses are used for ... with wax or varnishes are used in windings of magnet coils and small medium sized mechanics (any one)

138 views 1 answer

asked Aug 4, 2019 by anonymous

State any four dielectric materials.

State any four dielectric materials.
Last Answer : Ceramics, distilled water, paper, mica, polyethylene, and glass. Metal oxides

74 views 1 answer

asked Aug 4, 2019 by anonymous

The power factor of dielectric :

The power factor of dielectric : (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)
Last Answer : The power factor of dielectric : (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)

162 views 1 answer

asked Apr 30, 2018 by anonymous

The bridge most suited for accurate measurement of relative permittivity of dielectric materials is

The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge.
Last Answer : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is Schering Bridge.

120 views 1 answer

asked Apr 28, 2018 by anonymous

The frequencies and voltage used in Dielectric heating are

The frequencies and voltage used in Dielectric heating are (A) 10 – 30 MHz, upto 25 kV (B) 50 – 60 Hz, upto 25 kV (C) 10 – 30 MHz, upto 100 V (D) 50 – 60 Hz, 110 V – 230 V
Last Answer : The frequencies and voltage used in Dielectric heating are 10 – 30 MHz, upto 25 kV

118 views 1 answer

asked Apr 28, 2018 by anonymous

Dielectric loss in a capacitor is best measured by

Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge
Last Answer : Dielectric loss in a capacitor is best measured by Schering Bridge

139 views 1 answer

asked Apr 25, 2018 by anonymous

What is the difference between an insulator and a dielectric?

What is the difference between an insulator and a dielectric?
Last Answer : Dielectric is the another name for insulator.

113 views 1 answer

asked Mar 11, 2018 by anonymous

What is meant by dielectric heating?

What is meant by dielectric heating?

84 views 0 answers

asked Mar 11, 2018 by anonymous

What is dielectric withstand voltage?

What is dielectric withstand voltage?

62 views 0 answers

asked Mar 10, 2018 by anonymous

Has anyone (in this case a true warrior) ever made you feel like a giant ass, but in a really good way? (Someone that inspires you with their strength and determination)

Has anyone (in this case a true warrior) ever made you feel like a giant ass, but in a really good way? (Someone that inspires you with their strength and determination)
Last Answer : I’m having a hard day today. Someone I really love and look up to has read me the riot act and made me feel terrible. It hasn’t or doesn’t help me or inspire me and it doesn’t make me feel good. Sorry it is just a really hard day and things are pretty rough.

1 view 1 answer

asked Feb 27 by anonymous

A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.

A magnetic circuit has effective iron length of 100 cm and it is wound with 800 turns of wire carries 1 A. Find the magnetic field strength.
Last Answer : magnetic field strength

267 views 1 answer

asked Mar 30, 2020 by anonymous

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

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

84 views 0 answers

asked Aug 8, 2018 by anonymous

Define magnetic field strength and state its unit.

Define magnetic field strength and state its unit.
Last Answer : Magnetic field strength is the force experienced by a unit N-pole when placed at any point in a magnetic field is known as magnetic field strength or magnetizing force. Magnetising force or magnetic field ... unit of length is metre. So the unit of magnetic field strength is ampere turns per metre.

109 views 1 answer

asked Aug 8, 2018 by anonymous

The electric breakdown strength of insulating materials depends on

The electric breakdown strength of insulating materials depends on (A) Nature of applied voltage (B) lmperfection of dielectric material (C) Pressure, temperature and humidity (D) All or these
Last Answer : The electric breakdown strength of insulating materials depends on (A) Nature of applied voltage (B) lmperfection of dielectric material (C) Pressure, temperature and humidity (D) All or these

991 views 1 answer

asked May 8, 2018 by anonymous

What are three ways you can increase the strength of an electromagnet?

What are three ways you can increase the strength of an electromagnet?

77 views 0 answers

asked Mar 14, 2018 by anonymous

A transformer oil must be free from?

Last Answer : A transformer oil must be free from moisture.

68 views 1 answer

asked Mar 19, 2018 by anonymous

Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds?

Last Answer : Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds 150°C.

197 views 1 answer

asked Mar 19, 2018 by anonymous

How impressive is my record for this physical challenge?

How impressive is my record for this physical challenge?
Last Answer : Cool, but I don’t think anyone would really care except you. What does hitting the headlight on your boat have to do with anything, I don’t get it. lol

0 views 1 answer

asked Mar 1 by anonymous

What beauty comes from tragedy?

What beauty comes from tragedy?
Last Answer : answer:Henryk Mikolaj Górecki turned the tragedy of the Holocaust into incredibly beautiful, soul-stirring music, LENTO SOSTENUTO TRANQUILLO MA CANTABILE (from Symphony No. 3, Symphony of Sorrowful Songs ). Sorry, ... commercial to get through on YouTube, but it's worth it to listen to this music.

1 view 1 answer

asked Feb 28 by anonymous

Was there ever a bad time in your life that you later look upon with nostalgia?

Was there ever a bad time in your life that you later look upon with nostalgia?
Last Answer : answer:Definitely can relate; I even asked a similar question awhile back. For me it was being very ill; I know it sounds pretty mental to miss being ill, but sometimes when responsibilities pile up, I ... when my only priority was to get better. Usually I'm very glad to be healthy now, though.

0 views 1 answer

asked Feb 27 by anonymous

How can I stop being this sensitive?

How can I stop being this sensitive?
Last Answer : Take your time making your mind up about a person. Value yourself and the time you give to people.:)

1 view 1 answer

asked Feb 27 by anonymous

Does your state have a strong Citizens Arrest Law?

Does your state have a strong Citizens Arrest Law?
Last Answer : In Wisconsin, it’s not even clear if an airport security guard can detain someone he witnesses committing a crime on video monitor.

1 view 1 answer

asked Feb 27 by anonymous

Can Wii Fit help me gain muscle?

Can Wii Fit help me gain muscle?
Last Answer : No. Even its aerobic “improvement” claims are often disputed.

1 view 1 answer

asked Feb 27 by anonymous

Is there anything that you have ever been through in your life where afterwards you realized that you're a stronger person than you thought previously?

Is there anything that you have ever been through in your life where afterwards you realized that you're a stronger person than you thought previously?
Last Answer : Suicide of my first husband then later the suicide of my baby brother, who had found my first husband. The only way I survived was my kids and the Grace of God.

2 views 1 answer

asked Feb 26 by anonymous

Explain the effect of Harmonics on the Transformer.

Explain the effect of Harmonics on the Transformer.
Last Answer : Effect of Harmonics on the Transformer: 1. Core loss: Harmonic voltage increases the hysteresis and eddy current losses in the lamination. The amount of the core loss depends on ... small core vibrations. 5. Saturation problem: Sometimes additional harmonic voltage causes core saturation.

127 views 1 answer

asked May 22, 2020 by anonymous

List two special feature of welding transformer.

List two special feature of welding transformer.
Last Answer : Special features of welding transformer: i) It is a step down transformer that reduces the source voltage to a voltage desired according to the demands of the welding process. ii) Having large primary turns and less ... V ii) Secondary voltage - 40 to 60 V iii) Secondary current - 200 to 600 A

150 views 1 answer

asked May 22, 2020 by anonymous

State two applications of isolation transformer

State two applications of isolation transformer
Last Answer : Applications of isolation transformer: i) Isolates the load equipment from supply ground: ii) Reduction of voltage spikes iii) It acts as a decoupling device. iv) Protects loads from harmonic distortion.

54 views 1 answer

asked May 22, 2020 by anonymous

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

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%.

270 views 1 answer

asked May 22, 2020 by anonymous

Equivalent circuit of transformer

Equivalent circuit of transformer
Last Answer : Equivalent Circuit Diagram of Transformer Referred to Primary: V1 -Primary Input voltage I1 - Input Current I0- Exciting current/ No load current Im- Magnetizing component ... equivalent of secondary terminal voltage ZL- Load impedance ZL ′- Primary equivalent of load impedance

381 views 2 answers

asked May 17, 2020 by anonymous

Single phase transformer

Single phase transformer
Last Answer : Single phase Transformer Transformer

261 views 1 answer

asked May 16, 2020 by anonymous

What is the use of transformer?

What is the use of transformer?
Last Answer : The use of transformer is to do lower or raise the voltage or currents in an electrical circuit. That's quite so simple.

159 views 1 answer

asked May 15, 2020 by anonymous

Transformer on DC

Write about transformer on DC.
Last Answer : Transformer on DC : Transformer cannot work on DC. Transformer works on electromagnetic induction principle. Electromagnetic induction principle means when flux linking with coil changes and EMF induced in it ... winding insulation will burn. https://youtu.be/TVp_0fIfxqY

248 views 1 answer

asked May 10, 2020 by anonymous

Even at no-load, a transformer draws current from the mains. Why?

Even at no-load, a transformer draws current from the mains. Why?

114 views 0 answers

asked Apr 28, 2020 by anonymous

State and justify which of the following two transformers is better: Transformer A = 4% voltage regulation Transformer B = 6% voltage regulation

State and justify which of the following two transformers is better: Transformer A = 4% voltage regulation Transformer B = 6% voltage regulation
Last Answer : Transformer A with 4% voltage regulation is better. Justification: Voltage regulation refers to the percentage change in secondary voltage when load is changed from no-load to full-load with primary voltage ... 4% voltage regulation, which is less as compared to 6% of transformer B, it is better.

179 views 1 answer

asked Jul 27, 2019 by anonymous

State any four characteristics of core type transformer.

State any four characteristics of core type transformer.
Last Answer : Characteristics of core type transformer: i) It has one window. ii) It has one magnetic circuit. iii) Core surrounds the winding. iv) Average length of core is more. v) Area of cross ... Better cooling for winding. vii) Mechnical strength is comparatively less. viii) Repair and maintenance is easy.

132 views 1 answer

asked Jul 27, 2019 by anonymous

Explain construction and working of single phase Auto transformer.

Explain construction and working of single phase Auto transformer.
Last Answer : Construction of single phase auto transformer: (i) It has only one winding wound on a laminated circular magnetic core. (ii) The core is made of silicon steel stampings. (iii) The two terminals of the ... help of handle. 5) The same transformer can be used as step-up or step down auto-transformer

345 views 1 answer

asked Jul 26, 2019 by anonymous

No-load current in a transformer?

Last Answer : No-load current in a transformer lags behind the voltage by about 75°.

90 views 1 answer

asked Mar 19, 2018 by anonymous

The purpose of providing an iron core in a transformer is to?

Last Answer : The purpose of providing an iron core in a transformer is to decrease the reluctance of the magnetic path.

203 views 1 answer

asked Mar 19, 2018 by anonymous

In the transformer which winding has got more cross-sectional area?

Last Answer : In the transformer low voltage winding has got more cross-sectional area.

256 views 1 answer

asked Mar 19, 2018 by anonymous

A transformer cannot raise or lower the voltage of a D.C. supply because?

Last Answer : A transformer cannot raise or lower the voltage of a D.C. supply because Faraday's laws of electromagnetic induction are not valid since the rate of change of flux is zero.

344 views 1 answer

asked Mar 19, 2018 by anonymous

Primary winding of a transformer?

Last Answer : Primary winding of a transformer could either be a low voltage or high voltage winding.

86 views 1 answer

asked Mar 19, 2018 by anonymous

Which winding in a transformer has more number of turns ?

Last Answer : High voltage winding in a transformer has more number of turns.

363 views 1 answer

asked Mar 19, 2018 by anonymous

Efficiency of a power transformer is of the order of?

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

99 views 1 answer

asked Mar 19, 2018 by anonymous

The no load current in a transformer lags behind the applied voltage by an angle of about?

Last Answer : The no load current in a transformer lags behind the applied voltage by an angle of about 75°.

188 views 1 answer

asked Mar 19, 2018 by anonymous

In a transformer routine efficiency depends upon?

Last Answer : In a transformer, routine efficiency depends upon load current and power factor of load.

133 views 1 answer

asked Mar 19, 2018 by anonymous

Show More ⇦ Previous Next ⇨