♡ 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 👍 :1.9K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ For automatic drives the preference is for ...
➣ For the speed control of AC drive, ...
➣ Ball-bearings are ...
➣ The main drawback of electric drive is ...
➣ Rheostatic braking may be applied to an ...
➣ Hot bearings of a DC motor may ...
➣ Maintenance requirements are minimum in case of ...
➣ The locomotive that has the highest operational ...
➣ The length of arc required depends on ...
➣ The motor enclosure used in woodworking industry ...
❖ Take a qick MCQ Test on
➤ Electrical Machine Design
➤ Electrical and Electronic Instrumentation
➤ DC Machines
➤ DC Basics and Networks
➤ Synchronous Machines
➤ Electrical Engineering Material
➤ Induction Machines
➤ Microprocessors