♡ 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 👍 :977
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Motor preferred for kiln drive is usually ...
➣ The least expensive drive is ...
➣ The motor enclosure used in woodworking industry ...
➣ Sleeve bearings ...
➣ For automatic drives the preference is for ...
➣ The locomotive that has the highest operational ...
➣ The length of arc required depends on ...
➣ The most vital factor against electric traction ...
➣ Ball-bearings are ...
➣ An elevator drive is required to operate ...
❖ Take a qick MCQ Test on
➤ Switchgear and Protection
➤ Digital Electronics
➤ DC Machines
➤ Electrical and Electronic Instrumentation
➤ Microprocessors
➤ Synchronous Machines
➤ Transformers
➤ Electrical Engineering Material