♡ 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 👍 :1.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The motor normally used for crane travel ...
➣ Rheostatic braking may be applied to an ...
➣ The motor enclosure used for industrial purposes ...
➣ Load torque constant at all speeds is ...
➣ DC motors are still preferred for use ...
➣ The motor used in mines is ...
➣ The length of arc required depends on ...
➣ Rotor of a motor is usually protected ...
➣ Maintenance requirements are minimum in case of ...
➣ Motor preferred for kiln drive is usually ...
❖ Take a qick MCQ Test on
➤ DC Basics and Networks
➤ Electronic and Electrical Measurements and Instruments
➤ Electromagnetic Field Theory
➤ DC Machines
➤ Switchgear and Protection
➤ Miscellaneous
➤ Transformers
➤ Electrical Energy Utilisation and Electric Traction