♡ 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 👍 :985
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Hot bearings of a DC motor may ...
➣ The length of arc required depends on ...
➣ Overhead welding position is through to be ...
➣ Aircraft body is ...
➣ The motor enclosure used for industrial purposes ...
➣ Maintenance requirements are minimum in case of ...
➣ The motor normally used for crane travel ...
➣ Sleeve bearings ...
➣ The most vital factor against electric traction ...
➣ Rheostatic braking may be applied to an ...
❖ Take a qick MCQ Test on
➤ DC Machines
➤ Switchgear and Protection
➤ Electrical Installation and Wiring
➤ Electrical Machine Design
➤ Digital Electronics
➤ Electronic and Electrical Measurements and Instruments
➤ Control System
➤ Communication Systems