In a transformer, even when there is no load connected, there will be some small current flow known as _____ current.
A. excitation
B. primary
C. secondary
D. hysteresis
Answer: A
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A plant manager is not sure whether he will get the approval to buy new equipment for automating an engine assembly line now or at some future time within the next 3 years. In order to have the money whenever he is given the go-ahead, he has asked you to tell him what the equipment is likely to cost in each of the next 3 years. The cost of the equipÂment today is $300,000. And the MARR is 15% per year. (a) How much will it cost at the end of years 1, 2, and 3 if the cost increases only by the inflation rate of 4% per year? (b) What case is this from the descriptions in Section 14.3?
What will be an ideal response?
Technician A says that a drill is usually needed to remove a rivet. Technician B says that the most common rivet is a pop rivet. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The two large classes of metering devices are:
A) Fixed restrictions and thermostatic expansion valves. B) Fixed restrictions and broken restrictions. C) Floats and valves. D) Hand valves and automatic valves.
When a bimetallic thermometer is exposed to heat, the strip will bend in the direction of the metal with the __________ expansion rate.
A. lower B. higher