♡ 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 👍 :708
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Maintenance requirements are minimum in case of ...
➣ The power factor at which the direct ...
➣ The length of arc required depends on ...
➣ The selection of an electric motor is ...
➣ DC motors are still preferred for use ...
➣ Hot bearings of a DC motor may ...
➣ The motor enclosure used for industrial purposes ...
➣ The motor enclosure used in woodworking industry ...
➣ Sleeve bearings ...
➣ The motor used in mines is ...
❖ Take a qick MCQ Test on
➤ Electronic and Electrical Measurements and Instruments
➤ Transformers
➤ Analog Electronics
➤ Electrical and Electronic Instrumentation
➤ Microprocessors
➤ AC Basics and Networks
➤ Transmission and Distribution of Electrical Power
➤ Electrical Machine Design