OPMA 3306 CH. 6
A difference between project and continuous flow categories of process flow structures is which two of the following? A. The size and bulk of the product B. Discrete parts moving from workstation to workstation C. Degree of equipment specialization D. Being a "Virtual Factory" E. Profit per unit
A
Using the assembly-line balancing procedure, which of the following is the required cycle time if the production time in minutes per day is 1440 and the required output per day in units is 2000? A. 0.72 B. 1.388 C. 250 D. 500 E. Cannot be determined from the information above
A
Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the six tasks that make up the job are 4, 6, 7, 2, 6, and 5 minutes, and the cycle time is 10 minutes? A. 3 B. 5 C. 6 D. 8 E. None of the above
A
Which of the following is not a basic type of process structure? A. Product-process matrix B. Workcenter C. Manufacturing cell D. Assembly line E. Continuous process
A
According to Little's law, which of the following can be used to estimate work-in-process inventory? A. Process time/Cycle time B. Throughput rate times Flow time C. Process velocity/Flow time D. Set up time/Throughput rate E. Value added time/Process velocity
B
Which of the following basic types of process structures is one which similar equipment or functions are grouped together? A. Project B. Workcenter C. Manufacturing cell D. Assembly line E. Continuous process
B
Assume a fixed cost for a process of $120,000. The variable cost to produce each unit of product is $35, and the selling price for the finished product is $50. Which of the following is the number of units that has to be produced and sold to break-even? A. 5,000 units B. 6,000 units C. 8,000 units D. 11,000 units E. 12,000 units
C
Using the assembly-line balancing procedure, which of the following is the required cycle time in minutes per unit if the daily production time is 480 minutes and the required daily output is 50 units? A. 0.104 B. 50 C. 9.6 D. 480 E. Cannot be determined from the information above
C
Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the eight tasks that make up the job are 7, 4, 7, 8, 9, 4, 3 and 6 minutes, and the cycle time is 8 minutes? A. 3 B. 5 C. 6 D. 8 E. None of the above
C
According to Little's Law, which of the following ratios is used to find throughput rate? A. Cycle time/Process time B. Throughput time/Process velocity C. Process velocity/Throughput time D. Inventory/Flow time E. Value added time/Process velocity
D
Which of the following is a basic type of process structure? A. Process flow diagram B. Product matrix C. Process matrix D. Workcenter E. Manual assembly
D
Assume a fixed cost for a process of $15,000. The variable cost to produce each unit of product is $10 and the selling price for the finished product is $25. Which of the following is the number of units that has to be produced and sold to break-even? A. 500 units B. 667 units C. 790 units D. 900 units E. 1,000 units
E
The placement of which of the following is not determined by production process organization decisions? A. Departments B. Workgroups C. Workstations D. Machines E. Emergency exits
E
In a workcenter, machine A has a ten minute set-up time per batch and a two minute per unit run time. Machine B performs the identical function but has a set-up time of thirty minutes and a one minute run time per unit. The workcenter makes products in batches ranging from one unit to one hundred units. Assuming capacity is not a limitation on either machine, on which batches should machine B be used? A. All batches should be run on machine B B. Batches of more than 20 units should be run on machine B C. Batches of fewer than 80 units should be run on machine B D. Batches with up to 50 units should be run on machine B E. No batches should be run on machine B
B
You are hired as a consultant to decide if your client should purchase a new, highly specialized, piece of equipment. The product to be produced by this equipment is forecast to have a total worldwide demand of 15,000 units over the entire product life. The initial investment to acquire and install the equipment is $256,000. The variable cost to produce each unit will be $15 and the selling price for the finished product will be $30. Which of the following best describes the situation the firm is facing? A. The company will recover its initial investment B. The company's total margin will be less than its investment C. It is a good investment D. The break-even is lower than the 15,000 units that are expected to sell E. All of the above
B
You have just determined the actual number of workstations that will be used on an assembly line to be 6 using the assembly-line balancing procedure. The cycle time of the line is 5 minutes and the sum of all that tasks required on the line is 25 minutes. Which of the following is the correct value for the resulting line's efficiency? A. 0.500 B. 0.833 C. 0.973 D. 0.990 E. None of the above
B
You have just determined the actual number of workstations that will be used on an assembly line to be 8 using the assembly-line balancing procedure. The cycle time of the line is 10 minutes and the sum of all that tasks required on the line is 60 minutes. Which of the following is the correct value for the resulting line's efficiency? A. 0.500 B. 0.650 C. 0.750 D. 0.850 E. None of the above
C
When balancing an assembly line, which of the following is not a way to reduce the longest task time below the required workstation cycle time? A. Upgrade the equipment B. Assign a roaming helper to support the line C. Split the task between two workstations D. Speed up the assembly line transfer mechanism E. Use a more skilled worker
D
Which of the following basic types of process structures is one which equipment or work processes are arranged according to the progressive steps by which the product is made? A. Project B. Workcenter C. Manufacturing cell D. Assembly line E. Continuous process
D
Which of the following is not a step in developing a manufacturing cell layout? A. Grouping parts into families that follow a common sequence of steps B. Identifying dominant flow patterns of parts families as a basis for location of processes C. Physically grouping machines and processes into cells D. Disposing of left-over machinery and outsourcing ungrouped processes E. None of the above
D
Which of the following is not considered a major work flow structure? A. Work Center B. Project C. Assembly line D. Fabrication E. Continuous Flow
D