♡ 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 👍 :601
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ DC motors are still preferred for use ...
➣ The power factor at which the direct ...
➣ The basic elements of an electric drive ...
➣ The length of arc required depends on ...
➣ The selection of an electric motor is ...
➣ Rotor of a motor is usually protected ...
➣ Overhead welding position is through to be ...
➣ Unbalanced force are minimum in case of ...
➣ The locomotive that has the highest operational ...
➣ The least expensive drive is ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Communication Systems
➤ Power Electronics
➤ DC Basics and Networks
➤ DC Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Electrical and Electronic Instrumentation
➤ Switchgear and Protection