# solution

27. What is the job sequence using Johnson’s rule?

 Job WC#1 WC#2 A 8 2 B 7 3 C 5 9

Multiple Choice

• A,B,C

• B,C,A

• C,B,A

• B,A,C

28. What is the job sequence using Johnson’s rule?

 Job WC#1 WC#2 A 3 7 B 6 4 C 5 8

Multiple Choice

• B,C,A

• A,C,B

• C,B,A

• B,A,C

29. Which of the following is not a “tool” (technique) for shop-floor control?

Multiple Choice

• Schedule/control Gantt chart

• Lot sizing calculations

• Input/output control

• Daily dispatch lists

31. Which of the following is the result of inadequate input/output control?

Multiple Choice

• The system will automatically balance itself

• There will be excess inventory ahead of underutilized work centres

• The master schedule will need to be revised

• A work center could be either overloaded or under utilized

32. In the drum-buffer-rope conceptualization used in the theory of constraints, the “drum” that sets the pace for production refers to:

Multiple Choice

• The bottleneck

• The master schedule

• Work-in-process inventory before the bottleneck

• Job sequencing

35. The first step in developing a work schedule for staff that work a number of shifts per week is:

Multiple Choice

• Calculate the number of workers required to complete the volume of work expected each hour.

• Assign shifts to staff according to their skill and availability.

• Forecast the amount of work to be done each hour of the week.

• Determine a feasible number of shifts using a minimum number of staff.

36. The sequence that is followed for scheduling in the airline industry is:

Multiple Choice

• Schedule flights for a period Â» assign planes to flights Â» schedule crews

• Assign planes to flights Â» schedule flights for a period Â» schedule crews

• Schedule flights for a period Â» assign crews to planes Â» assign planes to routes

• Schedule crews Â» assign planes to flights Â» schedule flights for a period

37. Which of the following is not a reason that explains why staff scheduling is more challenging in services than in manufacturing?

Multiple Choice

• The inability to inventory services.

• The random nature and timing of demand for services.

• More variety in the timing of shifts for services.

• Service workers are more demanding in terms of scheduling time off.