IMM 6

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Which of the following files will contain information on manufacturing lead time and lot size? A) item master B) bill of material C) shop order master D) work center master

A) item master

Which of the following is NOT a principle of managing bottlenecks? A) A time buffer should be established after each bottleneck. B) Use alternate routings. C) The rate of material fed to a bottleneck should be controlled. D) Do anything to increase the capacity of a bottleneck. E) Change the schedule.

A) A time buffer should be established after each bottleneck.

Operation overlapping means: A) moving work to the next operation as a group of pieces is completed. B) locating work centers close together to reduce materials handling. C) using alternate routings. D) running two or more jobs at the same time. E) the same job running on two machines at the same time.

A) moving work to the next operation as a group of pieces is completed.

Operation splitting means: A) the same job running on two jobs at the same time. B) locating work centers close together to reduce materials handling. C) moving work to the next operation as a batch is completed. D) running two or more jobs at the same time on the same machine.

A) the same job running on two jobs at the same time.

If today is manufacturing day 100 and an order has a due date of 120 and a lead time remaining of 25 days, the critical ratio would be: A) 0.2 B) 0.8 C) 1.2 D) 1.25 E) 0.25

B) 0.8

If the previous backlog was 20 units, the planned input was 25 units, and the planned output was 30 units, the planned backlog would be: A) 5 units. B) 15 units. C) 10 units. D) 20 units. E) 25 units.

B) 15 units

A shop order for 1000 pieces is to be processed on work station 123. The setup time is 4 hours and the run time per piece is .08 hours. What is the required capacity on this work center in standard hours? A) 4000 B) 84 C) 0.08 D) 4.08 E) 80

B) 84

Which of the following statements is true? I. Throughput is the total volume of production passing through a facility. II. Throughput is controlled by the total capacity of a system. III. Work centers feeding bottlenecks should be 100% utilized. A) II and III only are true. B) I only is true. C) I and II only are true. D) II only is true. E) III only is true.

B) I only is true.

The activities of production activity control can be classified as: I. planning. II. implementation. III. control. IV. process control. A) I, II and IV B) I, II and III C) I, III and IV D) II, III and IV E) I, II, III and IV

B) I, II and III

Which of the following files are used by PAC for planning? I. Shop order master II. Work center master III. Item master IV. Routing A) I and II only B) II, III and IV only C) II and III only D) I and III only

B) II, III and IV only

Which of the following are characteristics of intermittent manufacturing? I. Work centers are arranged according to the routing. II. Work centers are dedicated to producing a limited range of similar products. III. Work flow through the shop is NOT constant. IV. Throughput times are generally high. A) I and IV B) III and IV C) I and II D) I and III E) II and III

B) III and IV

A scheduling system that assumes the required capacity will NOT always be available is called: A) forward scheduling. B) finite scheduling. C) infinite scheduling. D) backward scheduling.

B) finite scheduling.

Which of the following is concerned with very short-term detailed planning of the flow of orders through manufacturing? A) MRP B) production activity control C) master production scheduling D) sales and operations planning

B) production activity control

The ________ shows the total standard time required to produce one end product in each work center required for its manufacture. A) item master B) routing C) bill of material D) work center master

B) routing

In a drum-buffer-rope scheduling system, the "drum" represents which of the following? A) the constraint against too much being loaded into the master schedule B) the master schedule for the operation C) a safety stock of material D) a drum of jobs to be selected

B) the master schedule for the operation

The following information is to be used in this and the next question. For the last week a work center had a planned input of 40 standard hours and an actual input of 36 standard hours. The planned output was 40, the actual output 42 standard hours and the beginning backlog was 30 hours. The cumulative input variance was: A) -2. B) 0. C) +4. D) -4. E) +2.

C) +4.

A scheduling system in which the last operation on a routing is scheduled first and for completion on the due date is called: A) forward scheduling. B) infinite scheduling. C) backward scheduling. D) finite scheduling.

C) backward scheduling.

The selection and sequencing of available jobs to be run at individual work stations and the assignment of these jobs to workers is called: A) scheduling. B) priority management. C) dispatching. D) production control.

C) dispatching.

Work authorization can be classified under the function of: A) control. B) scheduling. C) implementation. D) load leveling. E) planning.

C) implementation.

A scheduling system that assumes the required capacity will always be available is called: A) finite scheduling. B) forward scheduling. C) infinite scheduling. D) backward scheduling.

C) infinite scheduling.

The planned backlog was: A) 42. B) 36. C) 66. D) 30. E) 40.

D) 30.

An order for 100 of a product is processed on work center 123. The setup time is 60 minutes and the run time is 5 minutes per piece. If the order is run on two machines in the work center, and the setups are made simultaneously, the elapsed time will be: A) 250 minutes. B) 560 minutes. C) 500 minutes. D) 310 minutes.

D) 310 minutes.

Which of the following statements is true? A) A time buffer should be established before a bottleneck. B) A bottleneck (capacity constraint resource) will control the throughput of all products processed by it. C) Work centers feeding a bottleneck should work at full capacity. D) A and B are true. E) B and C are true.

D) A and B are true.

Which of the following statements is true? A) If queue is reduced, the lead time and work in process will be reduced. B) The largest element of manufacturing lead time is queue. C) The larger the load, the longer the queue. D) All of the above are true.

D) All of the above are true

Which of the following statements is true? A) The dispatch list is the instrument of priority control. B) Engineering drawings, bills of material and routings may be included in a shop packet. C) Implementation is achieved by issuing a shop order to manufacturing. D) All of the above are true.

D) All of the above are true.

Which of the following are methods of reducing manufacturing lead time? I. subcontracting II. forward scheduling III. operation overlapping IV. operation splitting A) I, II, III and IV B) I and III C) I and II D) III and IV E) II and III

D) III and IV

Operation overlapping means: A) locating work centers close together to reduce materials handling. B) running two or more jobs at the same time on the same machine. C) using alternate routings. D) moving work to the next operation as a batch is completed.

D) moving work to the next operation as a batch is completed.

A production environment in which each unit or a small group of units is managed by a process created especially for that purpose is called: A) job shop. B) intermittent. C) flow. D) project.

D) project.

Which file contains information on the efficiency and utilization of a work center? A) bill of material B) routing C) item master D) work center master

D) work center master

Which of the following dispatching rules ignore due dates? A) first come, first served B) earliest operation due date C) shortest processing time D) A and B above both ignore due dates. E) A and C above both ignore due dates.

E) A and C above both ignore due dates.

Which of the following statements is true? A) Using a non-bottleneck 100% of the time produces 100% utilization. B) Time saved at a non-bottleneck saves nothing. C) The capacity of a system depends on the capacity of the bottleneck. D) A and B only are true. E) B and C only are true.

E) B and C only are true.

Planning the flow of work requires production activity control to: I. be sure the material needed is available. II. be sure the tooling needed is available. III. schedule the start and stop dates at each work center. IV. advise the plant supervisor of future orders. A) I, II, III and IV B) I, II and IV C) II, III and IV D) I, III and IV E) I, II and III

E) I, II and III

All of the following are elements of manufacturing lead time EXCEPT: A) wait time. B) move time. C) setup time. D) run time. E) design time.

E) design time.


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