Deck 6: Production Activity Control

Question 1

The shows the total standard time required to produce one end product in each work center required for its manufacture:

A) work center master
B) routing
C) bill of material
D) item master

Answer 1

B

Question 2

Which of the following statements is best?

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

Answer 2

D

Question 3

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) all of the above
B) I, II and III
C) I, II and IV
D) II, III and IV
E) I, III and IV

Answer 3

B

Question 4

Operation overlapping means:

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

Question 5

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) Intermittent
B) Job shop
C) Project
D) Flow

Question 6

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) backward scheduling
C) infinite scheduling
D) finite scheduling

Question 7

Which file contains information on the efficiency and utilization of a work center?

A) item master
B) bill of material
C) routing
D) work center master

Question 8

All of the following are elements of manufacturing lead time EXCEPT:

A) design time
B) setup time
C) run time
D) wait time
E) move time

Question 9

Which of the following statements is best?

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

Question 10

A scheduling system that assumes the required capacity will always be available is called:

A) forward scheduling
B) backward scheduling
C) infinite scheduling
D) finite scheduling

Question 11

Which of the following statements is best?

A) implementation is achieved by issuing a shop order to manufacturing
B) engineering drawings, bills of material and routings may be included in a shop packet
C) the dispatch list is the instrument of priority control
D) all of the above are true

Question 12

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) I only is true
B) I and II only are true
C) II and III only are true
D) II only is true
E) III only is true

Question 13

Which of the following statements is best?

A) the largest element of manufacturing lead time is queue
B) the larger the load, the longer the queue
C) if queue is reduced, the lead time and work in process will be reduced
D) all of the above are true

Question 14

The activities of production activity control can be classified as: I. Planning.
II) Implementation.
III) Control.
IV) Process control.

A) I, II and III
B) I, II and IV
C) II, III and IV
D) I, III and IV
E) all of the above

Question 15

Which of the following are methods of reducing manufacturing lead time?
I) Subcontracting
II) Forward scheduling
III) Operation overlapping
IV) Operation splitting

A) all of the above
B) I and II
C) II and III
D) II and III
E) III and IV

Question 16

Which of the following files is used by PAC for planning?
I) Shop order master
II) Work center master
III) Item master
IV) Routing

A) I and II only
B) I and III only
C) II and III only
D) II, III and IV

Question 17

Work authorization can be classified under the function of:

A) planning
B) scheduling
C) implementation
D) load leveling
E) control

Question 18

Which of the following files will contain information on manufacturing lead time and lot size?

A) item master
B) bill of material
C) work center master
D) shop order master

Question 19

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 II
B) I and III
C) I and IV
D) II and III
E) III and IV

Question 20

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) 4.08
B) 0.08
C) 80
D) 84
E) 4000

Question 21

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) 560 minutes
B) 500 minutes
C) 250 minutes
D) 310 minutes

Question 22

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) 10 units
C) 15 units
D) 20 units
E) 25 units

Question 23

Given the following data, which job(s) will be late if the shortest process time sequencing rule is used?
Today is day 100.
$$\begin{array} { l l l } \text { Job } & \begin{array} { l } \text { Process } \\\text { Time }\end{array} & \begin{array} { l } \text { Due } \\\text { Date }\end{array} \\\text { A } & 4 & 104 \\\text { B } & 1 & 106 \\\text { C } & 5 & 109\end{array}$$

A) all jobs will be on time
B) A and B will be late
C) A and C will be late
D) B and C will be late

Question 24

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

Question 25

Given the following information, which sequence will the orders be run in?
$$\begin{array} { c c } \text { ORDER } & \text { CRITICAL RATIO } \\\text { A } & 1.5 \\\text { B } & 1.0 \\\text { C } & 0.7\end{array}$$

A) ABC
B) BCA
C) ACB
D) CBA
E) BAC

Question 26

The planned backlog was:

A) 30
B) 36
C) 40
D) 42
E) 66

Question 27

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) dispatching
B) scheduling
C) priority management
D) production control

Question 28

In a drum-buffer-rope scheduling system, the "drum" represents which of the following?

A) a drum of jobs to be selected
B) the master schedule for the operation
C) a safety stock of material
D) the constraint against too much being loaded into the master schedule

Question 29

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) 0.8
B) 1.2
C) 1.25
D) 0.25
E) 0.2

Question 30

Which of the following is concerned with very short-term detailed planning of the flow of orders through manufacturing?

A) sales and operations planning
B) master production scheduling
C) MRP
D) production activity control

Question 31

Operation splitting means:

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

Question 32

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) 0
B) -2
C) +2
D) -4
E) +4

Question 33

A scheduling system that assumes the required capacity will NOT always be available is called:

A) forward scheduling
B) backward scheduling
C) infinite scheduling
D) finite scheduling

Question 34

Which of the following is NOT a principle of managing bottlenecks?

A) a time buffer should be established after each bottleneck
B) the rate of material fed to a bottleneck should be controlled
C) do anything to increase the capacity of a bottleneck
D) use alternate routings
E) change the schedule

Question 35

Operation overlapping means:

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