♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The selection of an electric motor is ...
➣ An elevator drive is required to operate ...
➣ Rotor of a motor is usually protected ...
➣ For the speed control of AC drive, ...
➣ Unbalanced force are minimum in case of ...
➣ The main drawback of electric drive is ...
➣ Maintenance requirements are minimum in case of ...
➣ For automatic drives the preference is for ...
➣ The motor enclosure used in woodworking industry ...
➣ The motor enclosure used for industrial purposes ...
❖ Take a qick MCQ Test on
➤ Digital Electronics
➤ Induction Machines
➤ DC Machines
➤ Transmission and Distribution of Electrical Power
➤ Basic Electronics Engineering
➤ Electrical Installation and Wiring
➤ Synchronous Machines
➤ Microprocessors