List three applications of superconductors
What will be an ideal response?
Strong magnets, high-speed computers, and power transmission.
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A BLDC motor draws an armature current of 20 A when the torque is 50 Nm. The motor is driven from a dc source of 200 V. The armature resistance of the motor is 0.5 V. Compute the speed of the motor at a modulation factor of 100%.
What will be an ideal response?
Technician A changes the position of a waste-spark ignition coil to diagnose an ignition misfire. Technician B says that a defective coil should cause problems on the cylinders it is connected to. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Screw threads are a helix or conical spiral form on the external surface of a shaft, or internal surface of a cylindrical hole.
Answer the following statement true (T) or false (F)
A heating supply dealer has taken 1/4 off the price of an acetylene torch. If the price was $280.52, what is the discounted price for buying the torch today?
Fill in the blank(s) with the appropriate word(s).