♡ 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 👍 :1.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The semiconductor device used for speed control ...
➣ The motor enclosure used in woodworking industry ...
➣ The motor used in mines is ...
➣ Ball-bearings are ...
➣ Sleeve bearings ...
➣ Aircraft body is ...
➣ The length of arc required depends on ...
➣ For the speed control of AC drive, ...
➣ Rheostatic braking may be applied to an ...
➣ DC motors are still preferred for use ...
❖ Take a qick MCQ Test on
➤ Electrical Machine Design
➤ Basic Electronics Engineering
➤ Digital Electronics
➤ Control System
➤ Switchgear and Protection
➤ Analog Electronics
➤ Electrical Energy Utilisation and Electric Traction
➤ Miscellaneous