♡ 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 👍 :1.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ An elevator drive is required to operate ...
➣ The motor enclosure used in woodworking industry ...
➣ For automatic drives the preference is for ...
➣ For the speed control of AC drive, ...
➣ Load torque constant at all speeds is ...
➣ The motor used in mines is ...
➣ Rheostatic braking may be applied to an ...
➣ The selection of an electric motor is ...
➣ Unbalanced force are minimum in case of ...
➣ Hot bearings of a DC motor may ...
❖ Take a qick MCQ Test on
➤ Communication Systems
➤ Signals and Systems
➤ Power Electronics
➤ Miscellaneous
➤ AC Basics and Networks
➤ Basic Electronics Engineering
➤ Synchronous Machines
➤ Microprocessors