♡ 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
➣ Rheostatic braking may be applied to an ...
➣ The length of arc required depends on ...
➣ Unbalanced force are minimum in case of ...
➣ Ball-bearings are ...
➣ Motor preferred for kiln drive is usually ...
➣ Aircraft body is ...
➣ For the speed control of AC drive, ...
➣ Maintenance requirements are minimum in case of ...
➣ The motor used in mines is ...
➣ DC motors are still preferred for use ...
❖ Take a qick MCQ Test on
➤ Signals and Systems
➤ Basic Electronics Engineering
➤ Electromagnetic Field Theory
➤ Switchgear and Protection
➤ Electrical Machine Design
➤ Synchronous Machines
➤ Power Electronics
➤ AC Basics and Networks