Hacksaws cut:
A) On the back stroke.
B) On both forward and back strokes.
C) In helical oscillation created by vibrating the handle.
D) On the forward stroke.
D
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Due to the absence of any moving electrical contacts, which type of motor should be used where the motor is exposed to flammable dust or gas?
a. AC motor b. Shunt motor c. Squirrel cage induction motor d. Two loop DC motor
A colloid is an extremely large particle with a relatively small surface area
Indicate whether the statement is true or false.
X-rays are an important part of
A. Ultrasonography B. Nuclear scintigraphy C. Computed tomography D. Radiography E. None of the above
An op-amp circuit that has a gain of unity is most likely a
A) inverting amplifier B) voltage follower C) non-inverting amplifier D) all of the above