♡ 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 👍 :961
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The motor enclosure used for industrial purposes ...
➣ The basic elements of an electric drive ...
➣ The length of arc required depends on ...
➣ Sleeve bearings ...
➣ Rheostatic braking may be applied to an ...
➣ The main drawback of electric drive is ...
➣ Unbalanced force are minimum in case of ...
➣ For automatic drives the preference is for ...
➣ DC motors are still preferred for use ...
➣ The power factor at which the direct ...
❖ Take a qick MCQ Test on
➤ Electronic and Electrical Measurements and Instruments
➤ Power Electronics
➤ Communication Systems
➤ Electrical Installation and Wiring
➤ Digital Electronics
➤ Synchronous Machines
➤ Miscellaneous
➤ DC Basics and Networks