♡ Login
Home
Previous Papers
★
MCQs
Electrical Engineering
Electrical Energy Utilisation and Electric Traction
Ball-bearings are ...
Que.
Ball-bearings are
A.
used upto 75 kW motors
B.
of long life and low friction loss
C.
costlier and noisy particularly at high motor speed
D.
all of the above
Right Answer is :
✓ D. all of the above
⚑ Report
Views 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The length of arc required depends on ...
➣ The power factor at which the direct ...
➣ Ball-bearings are ...
➣ For the speed control of AC drive, ...
➣ Rotor of a motor is usually protected ...
➣ The basic elements of an electric drive ...
➣ Hot bearings of a DC motor may ...
➣ Unbalanced force are minimum in case of ...
➣ The motor enclosure used in woodworking industry ...
➣ The semiconductor device used for speed control ...
❖ Take a qick MCQ Test on
➤ Electronic and Electrical Measurements and Instruments
➤ Electrical Power Generation and Economic Consideration
➤ DC Basics and Networks
➤ Transformers
➤ Power Electronics
➤ Electromagnetic Field Theory
➤ Basic Electronics Engineering
➤ Miscellaneous