♡ 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 👍 :1.9K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Motor preferred for kiln drive is usually ...
➣ For automatic drives the preference is for ...
➣ The most vital factor against electric traction ...
➣ The motor used in mines is ...
➣ The basic elements of an electric drive ...
➣ The length of arc required depends on ...
➣ The semiconductor device used for speed control ...
➣ The least expensive drive is ...
➣ Unbalanced force are minimum in case of ...
➣ The locomotive that has the highest operational ...
❖ Take a qick MCQ Test on
➤ Basic Electronics Engineering
➤ Switchgear and Protection
➤ Electromagnetic Field Theory
➤ Electrical Machine Design
➤ Electrical and Electronic Instrumentation
➤ Synchronous Machines
➤ DC Machines
➤ Signals and Systems