♡ 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 👍 :1.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Load torque constant at all speeds is ...
➣ Rheostatic braking may be applied to an ...
➣ The locomotive that has the highest operational ...
➣ The least expensive drive is ...
➣ Motor preferred for kiln drive is usually ...
➣ The motor enclosure used for industrial purposes ...
➣ Overhead welding position is through to be ...
➣ The length of arc required depends on ...
➣ The semiconductor device used for speed control ...
➣ Unbalanced force are minimum in case of ...
❖ Take a qick MCQ Test on
➤ Electromagnetic Field Theory
➤ Signals and Systems
➤ Synchronous Machines
➤ Switchgear and Protection
➤ Communication Systems
➤ Electrical Machine Design
➤ Transmission and Distribution of Electrical Power
➤ DC Basics and Networks