In a typical incandescent bulb, what is the filament surrounded by?
A. pure oxygen
B. pure nitrogen
C. inert gas
D. vacuum
Answer: C
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The ____ is an oversized spring coil made of stainless steel.
a. CombiCoil b. HeliCoil c. HexCoil d. ThreadCoil
Technician A says that biodiesel has a short shelf life compared with petroleum sourced diesel fuel. Technician B says that degraded biodiesel can result in costly fuel problems. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Punishment and extinction have a common fault. What is it?
a. Both involve the use of avoidance. b. Both involve the use of fixed interval reinforcement schedules, which are the least effective schedules. c. Both fail to prescribe the desired behavior. d. Both are process theories of motivation. e. Both depend on the target's perception of equity.
The National Micrographics Association has developed an adaptation of the single-stroke Gothic characters for general use and increased legibility in drawing reproduction known as ____.
A. microfont B. minifont C. digifont D. photofont