the hourly fixing time of the machines is to be calculated. Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

Question

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Answer 1

Question

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

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Students have asked these similar questions

Benny's arcade has six video game machines. The average time between machine failures is 50 hours. Jimmy, the maintenance manager can repair a machine in 5 hours on average. The machines have an exponential failure distribution, and Jimmy has an exponential service-time distribution. a. Jimmy's utilization is? b. what is the average number of machines out of service, that is, waiting to be repaired or being repaired? c. what is the average time a machine is out of service?.

The manager of Vintage Time Video Machine Parlor is responsible for ensuring that all six of his machines are in good condition. Machines frequently need attention but can normally be returned to service quickly. On an average, each machine requires attention five times each hour. The manager averages 4 minutes per repair.a. What percentage of each hour is the manager fixing machines?b. On an average, how many machines are broken down and waiting for repair?c. On an average, how many minutes in an hour are machines waiting for repair or being repaired?

Benny’s Arcade has six video game machines. The average time between machine failures is 50 hours. Jimmy, the maintenance engineer, can repair a machine in 15 hours on average. The machines have an exponential failure distribution, and Jimmy has an exponential service-time distribution.a. What is Jimmy’s utilization?b. What is the average number of machines out of service, that is, waiting to be repaired or being repaired?c. What is the average time a machine is out of service?

Answer 2

Question

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

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Answer 3

Question

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

Expert Solution & Answer

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Answer 4

Question

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

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Answer 5

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

Answer 6

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

Answer 7

Chapter B, Problem 15P

a)

Summary Introduction

Interpretation: the hourly fixing time of the machines is to be calculated.

Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

Answer 8

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

Answer 9

b)

Summary Introduction

Interpretation: the average number of machines that have been broken down and waiting for repair is to be calculated.

Concept Introduction: Identifying the average number of machines that have been broken down and waiting for repair will be useful in enhancing the utilization while reducing the break down and the repair time. This will help them in increasing the productivity of the machines as well as the whole process.

Answer 10

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

Answer 11

c)

Summary Introduction

Interpretation: average minutes per hour the machines are waiting for repair or being repaired is to be calculated.

Concept Introduction: Reduction of waiting time and the repair time of the machines will add value to the service while increasing the productivity as well as the effectiveness of the process.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. B - Prob. 1P Ch. B - Prob. 2P Ch. B - Prob. 3P Ch. B - Prob. 4P Ch. B - Prob. 5P Ch. B - Prob. 6P Ch. B - Prob. 7P Ch. B - Prob. 8P Ch. B - Prob. 9P Ch. B - Prob. 10P

the hourly fixing time of the machines is to be calculated. Concept Introduction: Identification of the hourly fixing time of the machines will be useful in capturing the machine downtime as well the machine utilization that will be useful in increasing the efficiency of the processes.

Solution Summary: The author calculates the hourly fixing time of a machine by multiplying it by the number of times that the machines required attention with the average time per repair.

Concept explainers

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Chapter B Solutions