♡ 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 motor enclosure used in woodworking industry ...
➣ Rotor of a motor is usually protected ...
➣ For the speed control of AC drive, ...
➣ The motor normally used for crane travel ...
➣ The selection of an electric motor is ...
➣ Unbalanced force are minimum in case of ...
➣ Ball-bearings are ...
➣ Maintenance requirements are minimum in case of ...
➣ The motor used in mines is ...
➣ Rheostatic braking may be applied to an ...
❖ Take a qick MCQ Test on
➤ Transformers
➤ Switchgear and Protection
➤ Electrical Energy Utilisation and Electric Traction
➤ Miscellaneous
➤ Electromagnetic Field Theory
➤ DC Basics and Networks
➤ Communication Systems
➤ Electronic and Electrical Measurements and Instruments