♡ 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 👍 :1.2K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The locomotive that has the highest operational ...
➣ The main drawback of electric drive is ...
➣ The semiconductor device used for speed control ...
➣ The motor used in mines is ...
➣ The selection of an electric motor is ...
➣ For automatic drives the preference is for ...
➣ The motor enclosure used for industrial purposes ...
➣ Unbalanced force are minimum in case of ...
➣ Hot bearings of a DC motor may ...
➣ Rheostatic braking may be applied to an ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ Signals and Systems
➤ Induction Machines
➤ DC Basics and Networks
➤ Synchronous Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Communication Systems
➤ DC Machines