OSC quizzes Questions With Complete Solutions
60 customers/hr arrive randomly and randomly join one of 6
unpooled queues. Each of the six employees can handle exactly
15 customer requests/hr (i.e., no variability). What percentage
reduction in waiting time does pooling of all six queues into one
queue offer? Correct Answers 92%
A lower throughput time can be achieved with smaller batches,
but this would lead to higher utilization. Which of the following
would allow us to use smaller batch sizes (i.e., more batches)
Correct Answers Lower setup time, lower variability
Apple's sales in the first quarter of 2016 were $60 billion
Apple's accounts receivable were approximately $12 billion
How many days does an entry remain in accounts receivable?
Assume 90 days in the first quarter of 2016. Correct Answers T
= 18 days
At a supermarket 200 customers arrive per hour (and 200 depart
per hour, but not necessarily in the same hour they arrive). Each
customer spends on average 30 minutes in the supermarket.
What is the average number of customers in the supermarket?
Correct Answers 100
At the core, what is Operations Management about? Correct
Answers Processing inputs into outputs
At the start of the video the Food Dude creates his burrito which
has to stay on the heater plate for 2 minutes. Let's assume that 5
burritos fit on the heater plate. If we need 120 burritos every
, hour, then what is the utilization for the heater plate? Assume
that the person who operates the heater plate is able to replace
burritos in under a second. Correct Answers 80%
Fastfood restaurant A uses a single queue, while B uses multiple
queues - where will customers experience shorter waiting times
(on average) and where will customers think the waiting is more
fair? Correct Answers A has shorter queues and will be
perceived as more fair
Given the following system with 3 resources (m = 3) and three
job types (n = 3):
R1 = 10/hr, R2 = 5/hr, R3 = 2/hr & c1 = 10/hr, c2 = 5/hr, c3 =
5/hr
What is the utilization of this system? Correct Answers 80%
Have a look at this Ford Assembly line video, celebrating its
100-year existence. Afterwards, answer this question: what is
the (Ford) assembly line achieving to this day? Correct Answers
High Efficiency
Here are four options, just write down the number of the Process
Flow that best represents the home-production of chocolate ice-
cream: Correct Answers 3
How are the concepts of utilization and a bottleneck linked?
Correct Answers The process step with the highest utilization is
the bottleneck in the system
How many different kinds of products or services is this process
producing/delivering? Correct Answers 3
60 customers/hr arrive randomly and randomly join one of 6
unpooled queues. Each of the six employees can handle exactly
15 customer requests/hr (i.e., no variability). What percentage
reduction in waiting time does pooling of all six queues into one
queue offer? Correct Answers 92%
A lower throughput time can be achieved with smaller batches,
but this would lead to higher utilization. Which of the following
would allow us to use smaller batch sizes (i.e., more batches)
Correct Answers Lower setup time, lower variability
Apple's sales in the first quarter of 2016 were $60 billion
Apple's accounts receivable were approximately $12 billion
How many days does an entry remain in accounts receivable?
Assume 90 days in the first quarter of 2016. Correct Answers T
= 18 days
At a supermarket 200 customers arrive per hour (and 200 depart
per hour, but not necessarily in the same hour they arrive). Each
customer spends on average 30 minutes in the supermarket.
What is the average number of customers in the supermarket?
Correct Answers 100
At the core, what is Operations Management about? Correct
Answers Processing inputs into outputs
At the start of the video the Food Dude creates his burrito which
has to stay on the heater plate for 2 minutes. Let's assume that 5
burritos fit on the heater plate. If we need 120 burritos every
, hour, then what is the utilization for the heater plate? Assume
that the person who operates the heater plate is able to replace
burritos in under a second. Correct Answers 80%
Fastfood restaurant A uses a single queue, while B uses multiple
queues - where will customers experience shorter waiting times
(on average) and where will customers think the waiting is more
fair? Correct Answers A has shorter queues and will be
perceived as more fair
Given the following system with 3 resources (m = 3) and three
job types (n = 3):
R1 = 10/hr, R2 = 5/hr, R3 = 2/hr & c1 = 10/hr, c2 = 5/hr, c3 =
5/hr
What is the utilization of this system? Correct Answers 80%
Have a look at this Ford Assembly line video, celebrating its
100-year existence. Afterwards, answer this question: what is
the (Ford) assembly line achieving to this day? Correct Answers
High Efficiency
Here are four options, just write down the number of the Process
Flow that best represents the home-production of chocolate ice-
cream: Correct Answers 3
How are the concepts of utilization and a bottleneck linked?
Correct Answers The process step with the highest utilization is
the bottleneck in the system
How many different kinds of products or services is this process
producing/delivering? Correct Answers 3
