Light duty cranes are used in which of the following?
Select an option to see the answer and solution.
Electrical Engineering · all questionsIndustrial Drivers
Industrial Drivers
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
71
Questions
2/4
Page
Pick an option on a question to see the right answer and solution.
The diameter of the rotor shaft for an electric motor depends on which of the following?
Select an option to see the answer and solution.
In case of __________ speed control by injecting e.m.f. in the rotor circuit is possible,
Select an option to see the answer and solution.
Which of the following motors is preferred when smooth and precise speed control over a wide range is desired?
Select an option to see the answer and solution.
The selection of an electric motor for any application depends on which of the following factors?
Select an option to see the answer and solution.
By the use of which of the following D.C. can be obtained from AC.?
Select an option to see the answer and solution.
Which of the following is essentially needed while selecting a motor?
Select an option to see the answer and solution.
Short time rated motors are preferred for overhead traveling cranes
Select an option to see the answer and solution.
Reluctance motor is a
Select an option to see the answer and solution.
Which of the following types of motor enclosure is safest?
Select an option to see the answer and solution.
Which of the following motors is preferred for boom hoist of a traveling crane?
Select an option to see the answer and solution.
The traveling speed of cranes varies from
Select an option to see the answer and solution.
Flame proof motors are used in
Select an option to see the answer and solution.
Which of the following machines has heavy fluctuation of load?
Select an option to see the answer and solution.
In series motor which of the following methods can be used for changing the flux per pole?
Select an option to see the answer and solution.
Has relatively wider range of speed control.
Select an option to see the answer and solution.
________ has least range of speed control.
Select an option to see the answer and solution.
In which of the following applications the load on motor changes in cyclic order?
Select an option to see the answer and solution.
For which of the following applications motor has to start with high acceleration?
Select an option to see the answer and solution.
A pony motor is used for the starting which of the following motors?
Select an option to see the answer and solution.