♡ 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 👍 :586
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ DC motors are still preferred for use ...
➣ Unbalanced force are minimum in case of ...
➣ Aircraft body is ...
➣ The least expensive drive is ...
➣ Ball-bearings are ...
➣ Maintenance requirements are minimum in case of ...
➣ The length of arc required depends on ...
➣ The locomotive that has the highest operational ...
➣ The semiconductor device used for speed control ...
➣ An elevator drive is required to operate ...
❖ Take a qick MCQ Test on
➤ DC Machines
➤ Electrical Machine Design
➤ Control System
➤ Induction Machines
➤ Switchgear and Protection
➤ Digital Electronics
➤ Microprocessors
➤ Electrical Energy Utilisation and Electric Traction