♡ 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 👍 :1.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Motor preferred for kiln drive is usually ...
➣ The length of arc required depends on ...
➣ Hot bearings of a DC motor may ...
➣ DC motors are still preferred for use ...
➣ The motor enclosure used in woodworking industry ...
➣ Rheostatic braking may be applied to an ...
➣ Overhead welding position is through to be ...
➣ The power factor at which the direct ...
➣ Ball-bearings are ...
➣ The selection of an electric motor is ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Electrical and Electronic Instrumentation
➤ Power Electronics
➤ Electrical Power Generation and Economic Consideration
➤ Induction Machines
➤ DC Basics and Networks
➤ Analog Electronics