♡ 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 👍 :572
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ For automatic drives the preference is for ...
➣ The selection of an electric motor is ...
➣ Aircraft body is ...
➣ The motor normally used for crane travel ...
➣ The semiconductor device used for speed control ...
➣ Motor preferred for kiln drive is usually ...
➣ The locomotive that has the highest operational ...
➣ An elevator drive is required to operate ...
➣ Unbalanced force are minimum in case of ...
➣ Rotor of a motor is usually protected ...
❖ Take a qick MCQ Test on
➤ Induction Machines
➤ DC Basics and Networks
➤ Power Electronics
➤ Control System
➤ Signals and Systems
➤ Transformers
➤ Electrical Energy Utilisation and Electric Traction
➤ Electronic and Electrical Measurements and Instruments