♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Load torque constant at all speeds is ...
➣ Aircraft body is ...
➣ Rotor of a motor is usually protected ...
➣ For automatic drives the preference is for ...
➣ Motor preferred for kiln drive is usually ...
➣ The motor enclosure used for industrial purposes ...
➣ Maintenance requirements are minimum in case of ...
➣ Rheostatic braking may be applied to an ...
➣ The length of arc required depends on ...
➣ The basic elements of an electric drive ...
❖ Take a qick MCQ Test on
➤ Control System
➤ Electrical Power Generation and Economic Consideration
➤ Electrical Machine Design
➤ Miscellaneous
➤ Power Electronics
➤ AC Basics and Networks
➤ Electrical Energy Utilisation and Electric Traction
➤ DC Machines