Which of the following describes a dual-element fuse?
A) It provides each fuse with a second chance with a spare element.
B) It allows field calibration of the fuse trip point.
C) It works with two different voltages.
D) It provides a time delay for starting motor loads.
D
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Field marking of service equipment shall include the _____.
a. time of installation b. date fault current calculations performed c. identification of phase wires d. location of disconnecting means
Why are vertical bracing members used in a structural steel system?
What will be an ideal response?
Technician A says that studs should be installed finger tight. Technician B says that studs must be installed using a thread locker such as Locktite. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
How many symbols are used in the hexadecimal number system?
A) sixteen B) six C) twelve D) ten