♡ 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 most vital factor against electric traction ...
➣ DC motors are still preferred for use ...
➣ The length of arc required depends on ...
➣ The selection of an electric motor is ...
➣ The semiconductor device used for speed control ...
➣ The motor used in mines is ...
➣ Rotor of a motor is usually protected ...
➣ The power factor at which the direct ...
➣ The locomotive that has the highest operational ...
➣ Unbalanced force are minimum in case of ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Communication Systems
➤ Signals and Systems
➤ Basic Electronics Engineering
➤ Switchgear and Protection
➤ Electrical Installation and Wiring
➤ Electrical Machine Design
➤ Control System