♡ 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 👍 :1.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The length of arc required depends on ...
➣ Aircraft body is ...
➣ The motor normally used for crane travel ...
➣ Ball-bearings are ...
➣ For automatic drives the preference is for ...
➣ Load torque constant at all speeds is ...
➣ The semiconductor device used for speed control ...
➣ Motor preferred for kiln drive is usually ...
➣ The most vital factor against electric traction ...
➣ For the speed control of AC drive, ...
❖ Take a qick MCQ Test on
➤ Electrical and Electronic Instrumentation
➤ Electrical Installation and Wiring
➤ Electrical Power Generation and Economic Consideration
➤ Signals and Systems
➤ Transmission and Distribution of Electrical Power
➤ DC Machines
➤ DC Basics and Networks
➤ Digital Electronics