Hand signals for hoisting equipment can only be provided by qualified signal persons and _____.
a. ironworkers
b. supervisors
c. stationary engineers
d. riggers
d. riggers
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Refer to Exercise 5. Two candidates are randomly selected.
a. List the equally likely outcomes. b. What is the probability that both are qualified? c. What is the probability that exactly one is qualified?
A service facility contracts for a windshield to be replaced in a customer’s vehicle. The job is performed by which of the following?
A. The subcontractor hired by the service facility B. A technician employed by the service facility C. The service facility does the work and is hired by the subcontractor D. None of the above
____ fuses are the type most commonly used in industrial installations.
A. Plug B. Two-way C. Replaceable D. Cartridge
Developing sketching ability is not very helpful in the creative efforts of problem solving and design.
Answer the following statement true (T) or false (F)