♡ 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
➣ Ball-bearings are ...
➣ Rotor of a motor is usually protected ...
➣ The length of arc required depends on ...
➣ DC motors are still preferred for use ...
➣ Overhead welding position is through to be ...
➣ The power factor at which the direct ...
➣ Aircraft body is ...
➣ For the speed control of AC drive, ...
➣ Unbalanced force are minimum in case of ...
➣ Rheostatic braking may be applied to an ...
❖ Take a qick MCQ Test on
➤ Electrical Power Generation and Economic Consideration
➤ Electrical Energy Utilisation and Electric Traction
➤ DC Basics and Networks
➤ Transformers
➤ Microprocessors
➤ Electrical and Electronic Instrumentation
➤ Transmission and Distribution of Electrical Power
➤ Electromagnetic Field Theory