♡ 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 ...
➣ Load torque constant at all speeds is ...
➣ Rotor of a motor is usually protected ...
➣ DC motors are still preferred for use ...
➣ The length of arc required depends on ...
➣ The motor enclosure used for industrial purposes ...
➣ Maintenance requirements are minimum in case of ...
➣ For automatic drives the preference is for ...
➣ Spot welding process basically depends on ...
➣ Hot bearings of a DC motor may ...
❖ Take a qick MCQ Test on
➤ Electrical Installation and Wiring
➤ Switchgear and Protection
➤ Transmission and Distribution of Electrical Power
➤ DC Machines
➤ Transformers
➤ Synchronous Machines
➤ Analog Electronics
➤ Electrical Machine Design