What danger is there to using a circuit breaker that is too large for a circuit?
A) The wire can overheat.
B) The voltage supplied to the unit may be too high.
C) The breaker may be too difficult to turn on.
D) As long as the breaker is at least the minimum required size, it will be safe.
A
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A duty cycle of 100% means ________.
A) The solenoid is fully energized on B) Can be on or off, depending on application C) The solenoid is not being controlled D) The solenoid is completely off
If the salvage value of an asset is nil and it is depreciated by the double declining balance method, what percentage of the asset’s first cost will remain after its 5-year life?
What will be an ideal response?
A refrigeration system dataplate states that the low-side test pressure is 150 psig. This means that:
A) The low-side pressure should be 150 psig when the system is running its self-test. B) The low-side pressure will be 150 psig when the system is operating at design conditions. C) The low side should operate with a pressure of 150 psig at all times. D) The low side should not be pressurized above 150 psig.
What is the likely cause of the inability of shrink-tubing to shrink sufficiently to bind two wires tightly when it is shrunk onto a connection between the wires?
What will be an ideal response?