♡ 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 👍 :1.5K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ For the speed control of AC drive, ...
➣ The locomotive that has the highest operational ...
➣ The motor used in mines is ...
➣ Rotor of a motor is usually protected ...
➣ Hot bearings of a DC motor may ...
➣ The least expensive drive is ...
➣ Rheostatic braking may be applied to an ...
➣ The selection of an electric motor is ...
➣ Ball-bearings are ...
➣ Maintenance requirements are minimum in case of ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ Electrical Energy Utilisation and Electric Traction
➤ Switchgear and Protection
➤ Electrical Power Generation and Economic Consideration
➤ Electrical and Electronic Instrumentation
➤ Miscellaneous
➤ Transmission and Distribution of Electrical Power
➤ Microprocessors