♡ 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 👍 :522
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The least expensive drive is ...
➣ The basic elements of an electric drive ...
➣ The length of arc required depends on ...
➣ Maintenance requirements are minimum in case of ...
➣ Spot welding process basically depends on ...
➣ Load torque constant at all speeds is ...
➣ DC motors are still preferred for use ...
➣ The motor enclosure used for industrial purposes ...
➣ The most vital factor against electric traction ...
➣ The selection of an electric motor is ...
❖ Take a qick MCQ Test on
➤ Electromagnetic Field Theory
➤ Electronic and Electrical Measurements and Instruments
➤ Switchgear and Protection
➤ DC Machines
➤ Electrical Installation and Wiring
➤ Communication Systems
➤ Signals and Systems
➤ Synchronous Machines