♡ 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 motor normally used for crane travel ...
➣ Hot bearings of a DC motor may ...
➣ The main drawback of electric drive is ...
➣ An elevator drive is required to operate ...
➣ Motor preferred for kiln drive is usually ...
➣ Spot welding process basically depends on ...
➣ For automatic drives the preference is for ...
➣ The motor used in mines is ...
➣ Rotor of a motor is usually protected ...
➣ DC motors are still preferred for use ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ Transmission and Distribution of Electrical Power
➤ Induction Machines
➤ Communication Systems
➤ DC Basics and Networks
➤ Signals and Systems
➤ Power Electronics
➤ Electronic and Electrical Measurements and Instruments