♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The basic elements of an electric drive ...
➣ DC motors are still preferred for use ...
➣ The main drawback of electric drive is ...
➣ The locomotive that has the highest operational ...
➣ The motor used in mines is ...
➣ Sleeve bearings ...
➣ Rotor of a motor is usually protected ...
➣ For automatic drives the preference is for ...
➣ The length of arc required depends on ...
➣ The motor normally used for crane travel ...
❖ Take a qick MCQ Test on
➤ Electrical and Electronic Instrumentation
➤ Induction Machines
➤ AC Basics and Networks
➤ DC Basics and Networks
➤ Electromagnetic Field Theory
➤ Electrical Power Generation and Economic Consideration
➤ Synchronous Machines
➤ Analog Electronics