According to NEMA definitions, which of the following is a type of open motor?
a. Nonventilated
b. Explosion-proof
c. Weather-protected
d. Water-to-air-cooled
c
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What fastener needs to be installed prior to concrete placement?
a. Concrete screw b. Double expansion anchor c. Snap-off anchor d. Anchor bolt
What are some differences between a flake ice machine and a cube ice machine?
A) The flake ice machine does not have a bin control or a photo-electric eye like a cube ice machine. B) The flake ice machine has a vertical cylindrical evaporator and makes ice continuously, while the cube ice machine has a horizontal rectangular evaporator and makes ice in cycles. C) The flake ice machine has the same safety devices as the cube ice machine, as no additional safety devices are needed. D) The flake ice machine has a horizontal rectangular evaporator and makes ice in cycles, while the cube ice machine has a vertical cylindrical evaporator and makes ice continuously.
Single mode fiber does not suffer from modal dispersion because it has a very small ________
Fill in the blank(s) with correct word
ASE-Style Multiple Choice While having a discussion, Technician A says that the use of oil on rubber or felt window channels is highly recommended. Technician B says oil can cause the rubber or felt to swell and deteriorate. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B