Electric Drives and Traction Interview Questions
Electric Drives and Traction Interview Questions 1. What are the requirements of an ideal traction system? The requirements of an ideal traction system are as follows The starting tractive effort
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Electric Traction Objective Questions and Answers
1. Which of the following is an advantage of electric traction over other methods of traction ? (a) Faster acceleration (b) No pollution problems (c) Better braking action (d) All
Electrical Machines Objective Questions & Answers
Electrical Machines Objective Questions & Answers Q.1 The two winding’s of a transformer are (A) conductively linked. (B) inductively linked. (C) not linked at all. (D) electrically linked. Q.2 A salient
Stepper Motors Objective Questions & Answers
Stepper Motors Objective Questions & Answers 1. A variable reluctance stepper motor is constructed of ______________ material with salient poles. a) Paramagnetic b) Ferromagnetic c) Diamagnetic d) Non-magnetic Answer: b
Latest Transformers Questions and Answers
What is a transformer and how does it work? A transformer is an electrical static equipment designed to convert alternating current from one voltage to another. It can be designed
Latest Electrical Motors Questions and Answers
How do the new IE efficiency classes compare with the old EFF efficiency classes? The new IS: 12615-2011 defines the following efficiency classes of low-voltage three phase asynchronous motors in
Electrical Machines Objective Questions
Electrical Machines Questions & Answers 1. Magnetic Circuits Principle of Energy Conversion Excited Magnetic Systems 2. Basic Concepts in Rotating Machines Reluctance Motor Doubly Excited Magnetic Systems Elementary Synchronous Machines
Top 100 Power Electronics Questions & Answers
Why IGBT is very popular nowadays? Lower hate requirements Lower switching losses Smaller snubber circuit requirements What are the different methods to turn on the thyristor? Forward voltage triggering Gate
Top Electrical Engineering Interview Questions for Freshers
1. What is electric traction? Electric traction means using the electric power for traction system (i.e. for railways,trams, trolleys etc). Electric traction means use of the electricity for all the
Electrical Machines Questions and Answers
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and low current generators. >Lap winding is suitable for high current