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Question
Given the following chart of jobs assigned with Johnson's rule, suppose that all the jobs (A, B, C, etc) could be evenly divided into two tasks (such as A1 and A2, B1 and B2, etc). Suppose job D is split into two equivalently sized sections, D1 and D2, each with a body work time of 1.5 hours and a paint time of 2 hours (D1 and D2 sum to 3 hours of body work and 4 hours of paint which is equivalent to D). How much is makespan reduced by this splitting of D?
Answer
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Related questions
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Q:
The tracking signal is the:
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B) absolute deviation of the last period's forecast.
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D) ratio of cumulative error / MAD.
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A) immediate rivals
B) potential entrants
C) customers
D) suppliers
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B) rejecting a good lot.
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E) none of the above
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The probability of rejecting a good lot is known as consumer's risk.
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Demand for a given item is said to be dependent if:
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B) there is a deep bill of material.
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Q:
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B) use tends to be predictable, and pricing tends to be variable.
C) use tends to be uncertain, and pricing tends to be fixed.
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E) All of the above, i.e., there is no difference.
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________ rely on a variety of supplier relationships to provide services on demand.
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Which of the following is not a limitation of job expansion?
A) higher capital cost
B) higher wage rates
C) smaller labor pool
D) higher training costs
E) All of the above are limitations of job expansion.
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C) job identity
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Q:
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Q:
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A) estimate the trend line.
B) eliminate forecast errors.
C) measure forecast accuracy.
D) seasonally adjust the forecast.
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Q:
Which of the following is NOT a key benefit of MRP?
A) increased quality
B) better response to customer orders
C) faster response to market changes
D) improved utilization of facilities and labor
E) reduced inventory levels
Q:
Demand for a given item is said to be dependent if:
A) it originates from the external customer.
B) there is a deep bill of material.
C) the finished products are mostly services (rather than goods).
D) there is a clearly identifiable parent.
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Q:
Weight Day
Package 1
Package 2
Package 3
Package 4 Monday
23
22
23
24 Tuesday
23
21
19
21 Wednesday
20
19
20
21 Thursday
18
19
20
19 Friday
18
20
22
20 (a) If he sets an upper control limit of 21 and a lower control limit of 19 around the target value of twenty ounces, the control chart is based on what value of z?
(b) With the UCL and LCL of part a, what do you conclude about this processis it in control?
Answer:
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What is the difference between natural and assignable causes of variation?
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What are the three possible results (or findings) from the use of control charts?
Q:
An assembly line has 10 stations with times of 1, 2, 3, 4, , 10, respectively. What is the bottleneck time?
A) 18.18% of the throughput time
B) 100% of the throughput time
C) 550% of the throughput time
D) 50% of the throughput time
E) 1.82% of the throughput time