♡ 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 ...
➣ Sleeve bearings ...
➣ For the speed control of AC drive, ...
➣ For automatic drives the preference is for ...
➣ The power factor at which the direct ...
➣ Rheostatic braking may be applied to an ...
➣ The semiconductor device used for speed control ...
➣ Motor preferred for kiln drive is usually ...
➣ Hot bearings of a DC motor may ...
➣ Load torque constant at all speeds is ...
❖ Take a qick MCQ Test on
➤ Signals and Systems
➤ Switchgear and Protection
➤ Communication Systems
➤ Transformers
➤ Electromagnetic Field Theory
➤ Electrical Energy Utilisation and Electric Traction
➤ Electronic and Electrical Measurements and Instruments
➤ AC Basics and Networks