Dielectric strength is the ability of an oil to resist breakdown caused by _____
a. voltage
b. water
c. acid
d. heat
a
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Define POTZ and its importance in keeping an amphibian healthy
What will be an ideal response?
Some electric valve actuators/operators are designed so that lubrication is ________ inside the gearbox housing
A) combined with water B) rarely used C) packed D) sprayed
A device used to evenly distribute mixtures of liquid and vapor refrigerant leaving the TEV to multiple evaporator circuits is called a:
A) Refrigerant distributor. B) Refrigerant junction. C) Refrigerant manifold. D) Refrigerant header.
A signal, x(t) = 20 cos (1000?t) is impulse sampled at a sampling rate of 2000 samples/second. Graph two periods of the impulse-sampled signal x?(t) . (Let the one sample be at time, t = 0.) Then graph four periods, centered at 0 Hz, of the CTFT X?( f ) of the impulse-sampled signal x?(t) . Change the sampling rate to 500 samples/second and repeat.
What will be an ideal response?