To draw: The precedence diagram.

Question

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Answer 1

Question

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To calculate: The highest allowable cycle time.

c)

Summary Introduction

To calculate: The daily production rate.

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

e)

Summary Introduction

To calculate: The efficiency.

f)

Summary Introduction

To calculate: The total idle time per cycle.

g)

Summary Introduction

To determine: The best workstation assignment to be made.

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Dr. Lori Baker, operations manager at Nesa Electro-nics, prides herself on excellent assembly-line balancing. She has been told that the firm needs to complete 96 instruments per24-hour day. The assembly-line activities are: TASK TIME (min) PREDECESSORSA 3 —B 6 —C 7 AD 5 A, BE 2 BF 4 CG 5 FH 7 D, EI 1 HJ 6 EK 4 G, I, J 50a) Draw the precedence diagram.b) If the daily (24-hour) production rate is 96 units, what is thehighest allowable cycle time?c) If the cycle time after allowances is given as 10 minutes, whatis the daily (24-hour) production rate?d) With a 10-minute cycle time, what is the theoretical minimumnumber of stations with which the line can be balanced?e) With a 10-minute cycle time and six workstations, what is theefficiency?f) What is the total idle time per cycle with a 10-minute cycletime and six workstations?g) What is the best workstation assignment you can makewithout exceeding a 10-minute cycle time, and what is itsefficiency?

Dr. Lori Baker, operations manager at Nesa Electronics, prides herself on excellent assembly-line balancing. She has been told that the firm needs to complete 96 instruments per 24-hour day. The assembly-line activities ace: Task Time (min) Predecessors A 3 B 6 7 A А, В B D 5 E 2 F 4 C G 5 F D,E H H 1 6 J E K 4 G, I, J 50 (e) With a 10-minute cycle time and six workstations, what is the efficiency? (1) What is the total idle time per cycle with a 10-minute cycle time and six workstations? (g) What is the best work station assignment you can make without exceeding a 10-minute cycle time and what is its efficiency?

A paced assembly line has been devised to manufacture calculators, as the following data show: Station Work ElementAssigned Work ElementTime (min) S1 S2 S3 S4 S5 S6 A D,E C B,F,G H,I,J K 2.7 0.6, 0.9 3.0 0.7, 0.7, 0.9 0.7, 0.3, 1.2 2.4 a. What is the maximum hourly output rate from this line? (Hint: The line can go only as fast as its slowest workstation.)b. What cycle time corresponds to this maximum output rate?c. If a worker is at each station and the line operates at this maximum output rate, how much idle time is lost during each 10-hour shift?d. What is the line’s efficiency?

Answer 2

Question

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To calculate: The highest allowable cycle time.

c)

Summary Introduction

To calculate: The daily production rate.

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

e)

Summary Introduction

To calculate: The efficiency.

f)

Summary Introduction

To calculate: The total idle time per cycle.

g)

Summary Introduction

To determine: The best workstation assignment to be made.

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Answer 3

Question

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To calculate: The highest allowable cycle time.

c)

Summary Introduction

To calculate: The daily production rate.

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

e)

Summary Introduction

To calculate: The efficiency.

f)

Summary Introduction

To calculate: The total idle time per cycle.

g)

Summary Introduction

To determine: The best workstation assignment to be made.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To calculate: The highest allowable cycle time.

c)

Summary Introduction

To calculate: The daily production rate.

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

e)

Summary Introduction

To calculate: The efficiency.

f)

Summary Introduction

To calculate: The total idle time per cycle.

g)

Summary Introduction

To determine: The best workstation assignment to be made.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To calculate: The highest allowable cycle time.

c)

Summary Introduction

To calculate: The daily production rate.

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

e)

Summary Introduction

To calculate: The efficiency.

f)

Summary Introduction

To calculate: The total idle time per cycle.

g)

Summary Introduction

To determine: The best workstation assignment to be made.

Answer 6

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

Answer 7

Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

Answer 8

b)

Summary Introduction

To calculate: The highest allowable cycle time.

Answer 9

b)

Summary Introduction

To calculate: The highest allowable cycle time.

Answer 10

c)

Summary Introduction

To calculate: The daily production rate.

Answer 11

c)

Summary Introduction

To calculate: The daily production rate.

Answer 12

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

Answer 13

d)

Summary Introduction

To calculate: The theoretical minimum number of workstations.

Answer 14

e)

Summary Introduction

To calculate: The efficiency.

Answer 15

e)

Summary Introduction

To calculate: The efficiency.

Answer 16

f)

Summary Introduction

To calculate: The total idle time per cycle.

Answer 17

f)

Summary Introduction

To calculate: The total idle time per cycle.

Answer 18

g)

Summary Introduction

To determine: The best workstation assignment to be made.

Answer 19

g)

Summary Introduction

To determine: The best workstation assignment to be made.

Answer 20

Expert Solution & Answer

Answer 21

Expert Solution & Answer

Answer 22

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Answer 23

Ch. 9 - Prob. 1DQ Ch. 9 - Prob. 2DQ Ch. 9 - Prob. 3DQ Ch. 9 - Prob. 4DQ Ch. 9 - Prob. 5DQ Ch. 9 - Prob. 6DQ Ch. 9 - Prob. 7DQ Ch. 9 - Prob. 8DQ Ch. 9 - What are the requirements for a focused work...Ch. 9 - Prob. 10DQ

To draw: The precedence diagram.

Solution Summary: The author explains how to draw the precedence diagram and calculate the highest allowable cycle time.

To draw: The precedence diagram.

To calculate: The highest allowable cycle time.

To calculate: The daily production rate.

To calculate: The theoretical minimum number of workstations.

To calculate: The efficiency.

To calculate: The total idle time per cycle.

To determine: The best workstation assignment to be made.

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Chapter 9 Solutions