♡ 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 👍 :962
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ The motor enclosure used for industrial purposes ...
➣ The length of arc required depends on ...
➣ Motor preferred for kiln drive is usually ...
➣ Rotor of a motor is usually protected ...
➣ For the speed control of AC drive, ...
➣ The power factor at which the direct ...
➣ DC motors are still preferred for use ...
➣ The semiconductor device used for speed control ...
➣ The motor normally used for crane travel ...
➣ Load torque constant at all speeds is ...
❖ Take a qick MCQ Test on
➤ Electronic and Electrical Measurements and Instruments
➤ Electrical Energy Utilisation and Electric Traction
➤ Induction Machines
➤ Transmission and Distribution of Electrical Power
➤ Transformers
➤ Analog Electronics
➤ Switchgear and Protection
➤ DC Machines