♡ 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 👍 :853
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The motor used in mines is ...
➣ For the speed control of AC drive, ...
➣ The selection of an electric motor is ...
➣ Ball-bearings are ...
➣ For automatic drives the preference is for ...
➣ Sleeve bearings ...
➣ An elevator drive is required to operate ...
➣ The main drawback of electric drive is ...
➣ Motor preferred for kiln drive is usually ...
➣ The locomotive that has the highest operational ...
❖ Take a qick MCQ Test on
➤ Basic Electronics Engineering
➤ Control System
➤ Electrical Power Generation and Economic Consideration
➤ Signals and Systems
➤ DC Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Microprocessors
➤ Electromagnetic Field Theory