BA357 Process Analysis Practice Questions
1. A car repair shop has two hoists where cars can be lifted for repair work. Currently
customers come in at the rate of 4 per hour and are processed at the same rate. On
average, 8 cars are waiting to be processed. How long do customers wait on average
before being processed?
a. 4 hours
b. 2 hours
c. 8 hours
d. 1 hour
e. 0.5 hours
2. A product sold at a supermarket has a shelf life of 21 days. If daily demand averages
100 units, what is the maximum inventory that the supermarket should carry?
a. 2100 units
b. 100 units
c. 50 units
d. 1050 units
e. 21 units
3. Accounts Receivable (AR) receives an average of 1,000 payments per week. There is
an average of 500 checks waiting to be deposited. What is the average time spent by
each check waiting to be deposited?
a. 2 weeks
b. .5 weeks
c. .2 weeks
d. 1 week
e. 4 weeks
4. A firm has seen its sales quadruple over the past year. During the same period, the
number of turns has doubled. What has happened to inventories during this time?
a. cut to one quarter of original
b. stayed the same
c. cut in half
d. quadrupled
e. doubled
5. On March 17, 2004, BBC News reported that Saudi businessman Saleh al-Saiairi, 64,
has been married to 58 women, but never more than four at one time. Assume that his
first wedding was at age 20, and that from that point forward he has always had four
wives (each divorce is immediately followed by a wedding). On average, how long
does one of his marriages last (rounded to the nearest year)?
a. 10 years
b. 5 years
c. 4 years
d. 3 years
e. 1 year
6. Which of the following terms describes the time a unit spends actually being worked on
together with the time spent waiting in a queue?
A. Cycle time
B. Throughput time (a.k.a. Flow time)
C. Run time
D. Setup time
E. Efficiency
7. A plant produces 2,400 pizzas during each 8-hour work day. On average it takes 15 mins to
manufacture a pizza. What is the cycle time of their pizza process?
(A) 15 mins
(B) 0.333 hours
(C) 12 seconds
(D) 20 seconds