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| 1 | |
Waiting lines form when demand temporarily exceeds capacity of a system. |
| | A) | True |
| | B) | False |
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| 2 | |
In a finite system the number of servers is limited. |
| | A) | True |
| | B) | False |
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| 3 | |
The terms "server" and "channel" are used interchangeably to mean the number of servers. |
| | A) | True |
| | B) | False |
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| 4 | |
In a single-channel queuing system, the utilization is equal to the average number being served. |
| | A) | True |
| | B) | False |
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| 5 | |
Capacity cost in a waiting line system is typically a function of the number of servers. |
| | A) | True |
| | B) | False |
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| 6 | |
If arrival times are variable, the system is referred to as an infinite source system. |
| | A) | True |
| | B) | False |
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| 7 | |
In a multiple-priority system, arrivals in each category are processed on a first come, first served basis. |
| | A) | True |
| | B) | False |
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| 8 | |
Constraint management refers to situations in which managers cannot effectively manage a waiting line. |
| | A) | True |
| | B) | False |
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| 9 | |
Perceived waiting time and actual waiting time can be different, depending on who is waiting and why they are in line. |
| | A) | True |
| | B) | False |
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| 10 | |
Service time is the reciprocal of the service rate. |
| | A) | True |
| | B) | False |
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| 11 | |
If system utilization decreases, the average number waiting in line will increase. |
| | A) | True |
| | B) | False |
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| 12 | |
In a balanced single channel waiting line system, the arrival and service rates are equal. |
| | A) | True |
| | B) | False |
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| 13 | |
Standardizing a service can reduce the average number of customers waiting in line. |
| | A) | True |
| | B) | False |
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| 14 | |
Waiting lines generally occur only in high-volume systems. |
| | A) | True |
| | B) | False |
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| 15 | |
The term queue discipline refers to |
| | A) | the willingness of customers to wait in line. |
| | B) | customers staying in one line, not switching to another line. |
| | C) | the order in which customers are processed. |
| | D) | customers who are made to wait in line. |
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| 16 | |
Customers arrive at a shop at an average of 10 minutes apart, and average service time is 15 minutes. There are two servers in the shop. The hourly service rate is: |
| | A) | 2 |
| | B) | 3 |
| | C) | 4 |
| | D) | 6 |
| | E) | impossible to say |
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| 17 | |
A service facility has four crews with two members each. The number of "servers" is: |
| | A) | 8 |
| | B) | 6 |
| | C) | 4 |
| | D) | 2 |
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| 18 | |
If a system that has a variable service time 10 minutes is converted to a constant service time of 10 minutes, the effect on the average number waiting in line will be to: |
| | A) | decrease it |
| | B) | increase it |
| | C) | no effect |
| | D) | impossible to say |
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| 19 | |
The reason there is waiting in an infinite source queuing system is: |
| | A) | poor planning |
| | B) | inefficient service. |
| | C) | the system is underloaded. |
| | D) | variable arrival times. |
| | E) | low utilization of the system. |
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| 20 | |
Which one is not a strategy for managers who want to reduce customer waiting time? |
| | A) | Standardize the service. |
| | B) | Offer discounts for off-times. |
| | C) | Increase prices for late arrivals. |
| | D) | Increase the number of servers. |
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