♡ 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 👍 :721
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Motor preferred for kiln drive is usually ...
➣ The semiconductor device used for speed control ...
➣ The selection of an electric motor is ...
➣ Load torque constant at all speeds is ...
➣ Overhead welding position is through to be ...
➣ For automatic drives the preference is for ...
➣ The main drawback of electric drive is ...
➣ The length of arc required depends on ...
➣ The power factor at which the direct ...
➣ Rotor of a motor is usually protected ...
❖ Take a qick MCQ Test on
➤ DC Machines
➤ Communication Systems
➤ Electrical Engineering Material
➤ Signals and Systems
➤ DC Basics and Networks
➤ Electrical Machine Design
➤ Transmission and Distribution of Electrical Power
➤ Microprocessors