and pdfTuesday, April 20, 2021 9:20:19 PM4

# Electrical Machines Interview Questions And Answers Pdf

File Name: electrical machines interview questions and answers .zip
Size: 20872Kb
Published: 21.04.2021

Answer: In transformer protection, harmonic restraint feature is incorporated to guard against magnetizing inrush current.

## 100+ TOP ELECTRICAL MACHINES LAB VIVA Questions and Answers

In case of motor it produces unidirectional torque. What is the choice of material for the yoke? It is defined as the distance on the periphery of the armature between two coil sides of a coil. Usually, it is expressed in terms of no of slots or degrees electrical. The factor by which there is a reduction in the emf due to short pitching of the coils is called coil span factor. It is defined as the ratio of the resultant emf when coils are short pitched to the resultant emf when coils are full pitched.

The factor by which there is a reduction in the emf due to distribution of coils is called distribution factor K d. The distribution factor is defined as the ratio of resultant emf when coils are distributed to the resultant emf when coils are concentrated. It is also known as winding factor or breadth factor.

Give the relation between electrical angle and mechanical angle. The angle through which an induced alternating emf travels for mechanical rotation of conductors is called an electrical degree.

For 2 pole machine, electrical angle is same as mechanical angle of rotation. The angle through which the rotor or conductors of the machine rotates physically is called Mechanical Angle.

While the angle through which is induced emf in the conductors travels is called Electrical Angle. The speed of the synchronous machine for which it produces alternating emf at a specified rated frequency for a fixed number of poles is called its synchronous speed.

It is denoted as N S. How it is converted to DC? The basic nature of the induced emf in a dc generator is alternating.

It is converted to dc using commutator. Save my name, email, and website in this browser for the next time I comment. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More. Primary Menu Inst Tools. Search for: Search.

Previous Article. Next Article. Questions and Answers in Electrical Machines. Related Articles. Leave a Comment Cancel Reply Save my name, email, and website in this browser for the next time I comment. Electrical Machines Interview Questions and Answers. WordPress Image Lightbox. Send this to a friend. Send Cancel.

## Electrical Machines Interview Questions

What is a Transformer 2. How are Primary and secondary windings of a Transformer connected 3. Name different types of Transformer based on Number of windings 4. Where Transformers are applicable 5. How does electrical energy transfer takes place in Transformers 6. Why does Transformers are know as to have high efficiency 7.

Learn and practice these interview questions and answers for various companies interview, competitive examination and entrance test. Review a list of frequently asked Electrical interview questions for electrical graduates. Frequently asked interview questions with answers under the subjects like electrical machines,Transmission and distribution,Power electronics and some general basic questions. Disclaimer: Erexams. Browse from thousands of Electrical questions and answers QA. Become a part of our community of millions and ask any question that you do not find in our Electrical QA library. Electrical Engineering interview questions and answers pdf free download for freshers Experienced,eee questions.

This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More. Primary Menu Inst Tools.

In case of motor it produces unidirectional torque. What is the choice of material for the yoke? It is defined as the distance on the periphery of the armature between two coil sides of a coil. Usually, it is expressed in terms of no of slots or degrees electrical.

A list of top frequently asked Electrical Machines interview questions and answers are given below. A Single-phase autotransformer is a single winding transformer in which a part of the winding is common to both high-voltage and low-voltage sides. This law states that when we move any current carrying conductor in a magnetic field, then an EMF is induced in it.

What is the power factor of a transformer at no load? At no load, the power factor of a transformer is very low and lagging, whereas the power factor on load is nearly equal to the power factor of the load, which it is carrying. What is the normal phase difference between the voltage and the no-load current in a transformer?

Когда службы безопасности выдворяли его из страны, он успел сказать несколько слов Стратмору, причем произнес их с ледяным спокойствием: - Мы все имеем право на тайну. И я постараюсь это право обеспечить. ГЛАВА 7 Мозг Сьюзан лихорадочно работал: Энсей Танкадо написал программу, с помощью которой можно создавать шифры, не поддающиеся взлому. Она никак не могла свыкнуться с этой мыслью. - Цифровая крепость, - сказал Стратмор.

- И тут же доложите. ГЛАВА 34 Сьюзан сидела одна в помещении Третьего узла, ожидая возвращения Следопыта. Хейл решил выйти подышать воздухом, за что она была ему безмерно благодарна.

1. ## Liane R.

24.04.2021 at 01:16

Electronics in our lives is like the life support which is supporting the human survival and development.

2. ## Bella W.

24.04.2021 at 22:25

Electrical Machines Interview questions. A list of top frequently asked Electrical Machines interview questions and answers are given below.

3. ## Chris V.

25.04.2021 at 06:12