Replacement joints usually have a zerk fitting for lubrication after installation and during service.
Answer the following statement true (T) or false (F)
True
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A particular automatic sprinkler system has two different types of activation devices for each sprinkler head. One type has a reliability of 0.9; that is, the probability that it will activate the sprinkler when it should is 0.9. The other type, which operates independently of the first type, has a reliability of 0.8. If either device is triggered, the sprinkler will activate. Suppose a fire starts near a sprinkler head.
a. What is the probability that the sprinkler head will be activated? b. What is the probability that the sprinkler head will not be activated? c. What is the probability that both activation devices will work properly? d. What is the probability that only the device with reliability 0.9 will work properly?
A maker of micromechanical systems can reduce product recalls by 10% with the installation of new packaging equipment. If the cost of the new equipment is expected to be $40,000 four years from now, how much could the company afford to spend now (instead of 4 years from now) at a minimum attractive rate of return of 12% per year?
What will be an ideal response?
Technician A says that all bleeder valves must be located at the highest part of the caliper or wheel cylinder. Technician B says that all bleeder valves have a hole in the center. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Regarding Darlington Pairs, which statement is true?
A) the emitter of the first transistor drives the base of the second B) high input impedance C) high output impedance D) both a and b