♡ 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 👍 :729
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The length of arc required depends on ...
➣ Motor preferred for kiln drive is usually ...
➣ For the speed control of AC drive, ...
➣ The semiconductor device used for speed control ...
➣ An elevator drive is required to operate ...
➣ The power factor at which the direct ...
➣ Ball-bearings are ...
➣ The motor enclosure used in woodworking industry ...
➣ Hot bearings of a DC motor may ...
➣ Rheostatic braking may be applied to an ...
❖ Take a qick MCQ Test on
➤ DC Basics and Networks
➤ Power Electronics
➤ Electronic and Electrical Measurements and Instruments
➤ Miscellaneous
➤ Switchgear and Protection
➤ Electrical and Electronic Instrumentation
➤ AC Basics and Networks
➤ Communication Systems