Gibson valves produces cast bronze valves on assembly line

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Reference no: EM132102176

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1. Gibson Valves produces cast bronze valves on an assembly line, currently producing 1600 valves 3) each 8-hour shift. If the productivity is increased by 10%, it would then be: A) 200 valves/hr. B) 180 valves/hr. C) 880 valves/hr. ?D) 1760 valves/hr. E) 220 valves/hr.

2. A system is composed of four parts, J, K, L, and M. All four must function for the system to 5) function. The four component reliabilities are .99, .98, .992, and .998. The designers are considering putting an 80% reliable backup at K. This backup will change the system reliability from ________?to ________: ?A) 0.9762; 0.9605 B) 0.9605; 0.9762 C) 0.98; 0.99?D) 0.9605; some smaller value E) 0.9605; 0.996

3. Red Top Cab Company receives multiple complaints per day about driver behavior. Over 9 days 7) the owner recorded the number of calls to be 3, 0, 8, 9, 6, 7, 4, 9, and 8. What is the upper control?limit for the 3-sigma c-chart? ?A) 0.00 B) 24.00 C) 9.03 D) 13.35 E) 8.45

4. Christopher's Cranks uses a machine that can produce 100 cranks per hour. The firm operates 12 11) hours per day, five days per week. Due to regularly scheduled preventive maintenance, the firm?expects the machine to be running during approximately 95% of the available time. Based on?experience with other products, the firm expects to achieve an efficiency level for the cranks of ?85%. What is the expected weekly output of cranks for this company??A)969 B) 6783 C) 5100 D) 4845 E) 5700

5. The Academic Computing Center has five trainers available in its computer labs to provide 10) training sessions to students. Assume that the design capacity of the system is 1900 students per?semester and that effective capacity equals 90% of design capacity. If the number of students who actually got their orientation session is 1500, what is the efficiency of the system? ?A) 90%?B) 1350 students ?C) 1710 students D) 78.9% ?E) 87.7%

6. Consider the simple 3-station assembly line illustrated below, where the 2 machines at Station 1 14) are parallel, i.e., the product only needs to go through one of the 2 machines before proceeding to?Station 2. What is the bottleneck time of this process??A) 10 min. B) 12 min. C) 20 min. D) 6 min. E) 38 min.

Reference no: EM132102176

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