The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes.

TIME	PERFORMANCE TIME (min)	IMMEDIATE PREDECESSORS	TIME
A	Attach wheels to tub	-	5
B	Attach motor to lid	-	1.5
C	Attach battery pack	B	3
D	Attach safety cutoff	C	4
E	Attach filters	B	3
F	Attach lid to tub	A, E	23.5
G	Assemble attachments	-	3
H	Function test	D, F, G	3.5
I	Final inspection	H	2
J	Packing	I	2

Draw the appropriate precedence diagram for this production line.

The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes.

What is the theoretical minimum number of workstations?

The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes.

Draw the appropriate precedence diagram for this production line.

Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 60 . The information for the tasks is as follows:

Draw the precedence diagram.

Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $\$ 210$, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 60 . The information for the tasks is as follows:

Draw the precedence diagram.

The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40-hour workweek:

What is the efficiency of the assembly line with five stations? With six stations?

The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40-hour workweek:

Assign tasks to workstations.

The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40-hour workweek:

How much total idle time is present each cycle?

The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 10 minutes.

Assign tasks to workstations and determine how much idle time is present each cycle.

Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $\$ 210$, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 60 . The information for the tasks is as follows:

What is the efficiency of the process you completed in (b)?

Illinois Furniture, Inc., produces all types of office furniture. The "Executive Secretary" is a chair that has been designed using ergonomics to provide comfort during long work hours. The chair sells for $\$ 130$. There are 480 minutes available during the day, and the average daily demand has been 50 chairs. There are eight tasks:

Draw a precedence diagram of this operation.

The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40 -hour workweek:

Given the demand, what is the cycle time for this operation?

Stanford Rosenberg Computing wants to establish an assembly line for producing a new product, the Personal Digital Assistant (PDA). The tasks, task times, and immediate predecessors for the tasks are as follows:

Rosenberg's goal is to produce 180 PDAs per hour.

What is the theoretical minimum for the number of workstations that Rosenberg can achieve in this assembly line?

Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 60 . The information for the tasks is as follows:

Assign tasks to the minimum feasible number of workstations according to the "ranked positioned weight" decision rule.