♡ 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 👍 :946
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ DC motors are still preferred for use ...
➣ An elevator drive is required to operate ...
➣ Sleeve bearings ...
➣ The length of arc required depends on ...
➣ The semiconductor device used for speed control ...
➣ The basic elements of an electric drive ...
➣ Ball-bearings are ...
➣ For the speed control of AC drive, ...
➣ The motor normally used for crane travel ...
➣ Spot welding process basically depends on ...
❖ Take a qick MCQ Test on
➤ DC Basics and Networks
➤ Electrical and Electronic Instrumentation
➤ Signals and Systems
➤ Electrical Machine Design
➤ Transformers
➤ Electromagnetic Field Theory
➤ Power Electronics
➤ Switchgear and Protection