Electrical Engineering Questions And Answers :: Industrial Drives: part1

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Electrical Engineering : Industrial Drives QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.A reluctance motor

is provided with slip rings
requires starting gear
has high cost
is compact

2.For which of the following applications D.C. motors are still preferred ?

High efficiency operation
Reversibility
Variable speed drive
High starting torque

3.When the load is above _____ a synchronous motor is found to be more economical.

2 kW
20 kW
50 kW
100 kW

4.Reluctance motor is a

variable torque motor
low torque variable speed motor
self starting type synchronous motor
low noise, slow speed motor

5.In a paper mill where constant speed is required

synchronous motors are preferred
A.C. motors are preferred
individual drive is preferred
group drive is preferred

More Industrial Drives QUESTIONS AND ANSWERS available in next pages

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