♡ 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
➣ Rotor of a motor is usually protected ...
➣ The most vital factor against electric traction ...
➣ The least expensive drive is ...
➣ The motor used in mines is ...
➣ Motor preferred for kiln drive is usually ...
➣ The main drawback of electric drive is ...
➣ Load torque constant at all speeds is ...
➣ Spot welding process basically depends on ...
➣ Unbalanced force are minimum in case of ...
➣ For the speed control of AC drive, ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Control System
➤ Electrical Machine Design
➤ DC Machines
➤ Basic Electronics Engineering
➤ Electromagnetic Field Theory
➤ Electrical Power Generation and Economic Consideration
➤ Power Electronics