♡ 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 👍 :1.0K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The least expensive drive is ...
➣ The selection of an electric motor is ...
➣ DC motors are still preferred for use ...
➣ Rheostatic braking may be applied to an ...
➣ The motor used in mines is ...
➣ Load torque constant at all speeds is ...
➣ The power factor at which the direct ...
➣ Unbalanced force are minimum in case of ...
➣ Aircraft body is ...
➣ Hot bearings of a DC motor may ...
❖ Take a qick MCQ Test on
➤ Synchronous Machines
➤ DC Machines
➤ Transmission and Distribution of Electrical Power
➤ Induction Machines
➤ Electrical Energy Utilisation and Electric Traction
➤ Electrical Machine Design
➤ Electrical Power Generation and Economic Consideration
➤ Electromagnetic Field Theory