QUESTION 1

The Disneyland is scheduling the repair of 6 rides next
month:

Bus A B C D E F
Repair time in days 7 3 8 6 2 8

Using the LPT sequencing rule, what is the sequencing
utilization?

a.
35.4%
b.
28.6%
c.
25.0%
d.
23.9%
e.
15.4%
4 points
QUESTION 2

What approach can be applied to optimize personnel
scheduling in service:

a.
aggregate planning.

b.
inventory models.

c.
MRP scheduling.

d.
integer programming.

e.
tria-and-error scheduling.

4 points
QUESTION 3

For historical data on p. 12 of the lecture materials on
Forecasting (week 2), moving averages and exponential smoothing forecasting
methods were applied. The main reason for applying those forecasting methods is
that the historical data has:

a.
stationary pattern.

b.
trend pattern.

c.
seasonal pattern.

d.
cyclical pattern.

e.
all of the above patterns.

4 points
QUESTION 4

The ABC company wants to choose between two locations, A and
B. The fixed cost for location A is $60,000 and for location B, $40,000. The
variable cost for location A is $3.00 per unit and for B, $5.00 per unit. The
two locations have the same total costs at the following:

a.
10,000 dollars, with location B preferred at volume lower
than 10,000.

b.
10,000 units, with location B preferred at volume lower than
10,000.

c.
10,000 dollars, with location A preferred at volume lower
than 10,000.

d.
10,000 units, with location A preferred at volume lower than
10,000.

e.
none of the above.

4 points
QUESTION 5

Which of the following statements is true?

a.
The bigger the value of mean absolute deviation (MAD), the
more accurate the forecast.

b.
The smaller the value of MAD, the more accurate the
forecast.

c.
The bigger the value of mean absolute percentage error
(MAPE), the more accurate the forecast.

d.
The bigger the value of mean error, the more accurate the
forecast.

e.
All of the above is true.

4 points
QUESTION 6

The MTA of Santa Clara is scheduling the repair of busses
for the next month. Currently, there are 5 buses needing repair:

Bus V W X Y Z
Repair time in days 7 2 8 6 2

Using the SPT sequencing rule, the sequence of buses for
repair is which of the following?

a.
Y W X V Z
b.
Z Y W V Y
c.
W Z Y V X
d.
W Z V Y Z
e.
none of the above.
4 points
QUESTION 7

When selecting the best sequencing rule among the
alternatives based on the utilization, the latter should be:
a.
the highest.
b.
the lowest.
c.
either the highest or lowest.
d.
all of the above.
e.
none of the above.
4 points
QUESTION 8

In a scheduling model, a requirement that the number of
service employees in a night shift should not exceed 9 can be described as the
model’s:

a.
decision variable.

b.
objective function.

c.
constraint.

d.
additional condition.

e.
none of the above.

4 points
QUESTION 9

A service scheduling problem requires, among other things,
to identify the number of employees that need to work during a day shift. This
number of employees can be described as:

a.
decision variable.

b.
objective function.

c.
constraint.

d.
additional condition.

e.
answers “a” and “c”.

4 points
QUESTION 10

In an employee scheduling problem, a statement like
“minimize total number of employees” can represent the integer
programming model’s:

a.
decision variable.

b.
objective function.

c.
constraint.

d.
additional condition.

e.
none of the above.

4 points
QUESTION 11

Rough-cut capacity plan (RCCP) is used to:
a.
plan capacity according to demand forecast.
b.
validate capacity resources required for material
requirements plan.
c.
validate capacity resources required for capacity
requirements plan.
d.
validate capacity resources required for master demand
schedule.
e.
validate capacity resources required for short-term
schedule.
4 points
QUESTION 12

Material requirements planning is a typical example of:
a.
short-term scheduling.
b.
forward scheduling.
c.
backward scheduling.
d.
none of the above.
e.
answers “a” and “c”.
4 points
QUESTION 13

Which one of the following is an example of a
product-oriented layout?

a.
A sit down dinner in a restaurant.

b.
A construction site of a large airplane.

c.
A salad buffet line in a resaurant.

d.
An assembly line for producing TVs.

e.
Answers “c” and “d”.

4 points
QUESTION 14

Some of the main inputs to rough-cut capacity plan (RCCP)
include:
a.
bill of resources, bill of materials, master demand
schedule, and accounting/finance.
b.
bill of resources, bill of materials, material requirements
plan, and accounting/finance.
c.
bill of resources, bill of materials, master demand
schedule, and inventory item attributes.
d.
bill of resources, bill of materials, material requirements
plan, and supply chain bill.
e.
all of the above is true.
4 points
QUESTION 15

In capacity requirements planning, the desirable capacity
utilization is:
a.
above 100%.
b.
significantly below 100%, for example, 10% or 20%.
c.
either above 100% or significantly below 100%.
d.
all of the above.
e.
none of the above.
4 points
QUESTION 16

The main results of MRP scheduling process are:

a.
Inventory on hand, safety stocks, and net requirements.

b.
Net requirements, planned orders and planned order releases.

c.
Inventory on hand, net requirements, and planned orders.

d.
Safety stocks and inventory on hand.

e.
None of the above.

4 points
QUESTION 17

Exponential smoothing is being used to forecast demand. The
previous period forecast is 56 and the actual demand is 52. With a smoothing
constant ? (alpha) equal to 0.3, the forecast for the next period will be:

a.
15.4

b.
30.8

c.
48.3

d.
53.2

e.
54.8

4 points
QUESTION 18

The first column of the following data refers to the months.
The second column is the monthly demand of a particular product:

t At

1 17

2 15

3 11

4 19

5 13

If using a 4-period moving averages, the forecast in period
6 will be:

a.
15.5

b.
14.5

c.
14.3

d.
12.8

e.
none of the above.

4 points
QUESTION 19

Main inputs to master demand schedule (MDS) may include:

a.
Sales orders,
planning bill of materials, and aggregate planning.

b.
Demand forecast, planned orders, and planned order releases.

c.
Sales orders, inventory on hand, and safety stock.

d.
All of the above.

e.
Answers “a” and “c”.

4 points
QUESTION 20

In the MRP schedule for item A, the gross requirement is 245
units, safety stock is 44 units, and amount on hand is 131 units. The inventory
policy is lot-for-lot. The net requirement is equal to:

a.
420

b.
332

c.
280

d.
158

e.
70
QUESTION 1The Disneyland is scheduling the repair of 6 rides next
month:Bus A B C D E FRepair time in days 7 3 8 6 2 8Using the LPT sequencing rule, what is the sequencing
utilization? a. 35.4% b. 28.6% c. 25.0% d. 23.9% e. 15.4%4 points QUESTION 2What approach can be applied to optimize personnel
scheduling in service: a. aggregate planning. b. inventory models. c. MRP scheduling. d. integer programming. e. tria-and-error scheduling.4 points QUESTION 3For historical data on p. 12 of the lecture materials on
Forecasting (week 2), moving averages and exponential smoothing forecasting
methods were applied. The main reason for applying those forecasting methods is
that the historical data has: a. stationary pattern. b. trend pattern. c. seasonal pattern. d. cyclical pattern. e. all of the above patterns.4 points QUESTION 4The ABC company wants to choose between two locations, A and
B. The fixed cost for location A is $60,000 and for location B, $40,000. The
variable cost for location A is $3.00 per unit and for B, $5.00 per unit. The
two locations have the same total costs at the following: a. 10,000 dollars, with location B preferred at volume lower
than 10,000. b. 10,000 units, with location B preferred at volume lower than
10,000. c. 10,000 dollars, with location A preferred at volume lower
than 10,000. d. 10,000 units, with location A preferred at volume lower than
10,000. e. none of the above.4 points QUESTION 5Which of the following statements is true? a. The bigger the value of mean absolute deviation (MAD), the
more accurate the forecast. b. The smaller the value of MAD, the more accurate the
forecast. c. The bigger the value of mean absolute percentage error
(MAPE), the more accurate the forecast. d. The bigger the value of mean error, the more accurate the
forecast. e. All of the above is true.4 points QUESTION 6The MTA of Santa Clara is scheduling the repair of busses
for the next month. Currently, there are 5 buses needing repair:Bus V W X Y ZRepair time in days 7 2 8 6 2Using the SPT sequencing rule, the sequence of buses for
repair is which of the following? a. Y W X V Z b. Z Y W V Y c. W Z Y V X d. W Z V Y Z e. none of the above.4 points QUESTION 7When selecting the best sequencing rule among the
alternatives based on the utilization, the latter should be: a. the highest. b. the lowest. c. either the highest or lowest. d. all of the above. e. none of the above.4 points QUESTION 8In a scheduling model, a requirement that the number of
service employees in a night shift should not exceed 9 can be described as the
model’s: a. decision variable. b. objective function. c. constraint. d. additional condition. e. none of the above.4 points QUESTION 9A service scheduling problem requires, among other things,
to identify the number of employees that need to work during a day shift. This
number of employees can be described as: a. decision variable. b. objective function. c. constraint. d. additional condition. e. answers “a” and “c”.4 points QUESTION 10In an employee scheduling problem, a statement like
“minimize total number of employees” can represent the integer
programming model’s: a. decision variable. b. objective function. c. constraint. d. additional condition. e. none of the above.4 points QUESTION 11Rough-cut capacity plan (RCCP) is used to: a. plan capacity according to demand forecast. b. validate capacity resources required for material
requirements plan. c. validate capacity resources required for capacity
requirements plan. d. validate capacity resources required for master demand
schedule. e. validate capacity resources required for short-term
schedule.4 points QUESTION 12Material requirements planning is a typical example of: a. short-term scheduling. b. forward scheduling. c. backward scheduling. d. none of the above. e. answers “a” and “c”.4 points QUESTION 13Which one of the following is an example of a
product-oriented layout? a. A sit down dinner in a restaurant. b. A construction site of a large airplane. c. A salad buffet line in a resaurant. d. An assembly line for producing TVs. e. Answers “c” and “d”.4 points QUESTION 14Some of the main inputs to rough-cut capacity plan (RCCP)
include: a. bill of resources, bill of materials, master demand
schedule, and accounting/finance. b. bill of resources, bill of materials, material requirements
plan, and accounting/finance. c. bill of resources, bill of materials, master demand
schedule, and inventory item attributes. d. bill of resources, bill of materials, material requirements
plan, and supply chain bill. e. all of the above is true.4 points QUESTION 15In capacity requirements planning, the desirable capacity
utilization is: a. above 100%. b. significantly below 100%, for example, 10% or 20%. c. either above 100% or significantly below 100%. d. all of the above. e. none of the above.4 points QUESTION 16The main results of MRP scheduling process are: a. Inventory on hand, safety stocks, and net requirements. b. Net requirements, planned orders and planned order releases. c. Inventory on hand, net requirements, and planned orders. d. Safety stocks and inventory on hand. e. None of the above.4 points QUESTION 17Exponential smoothing is being used to forecast demand. The
previous period forecast is 56 and the actual demand is 52. With a smoothing
constant ? (alpha) equal to 0.3, the forecast for the next period will be: a. 15.4 b. 30.8 c. 48.3 d. 53.2 e. 54.84 points QUESTION 18The first column of the following data refers to the months.
The second column is the monthly demand of a particular product:t At1 172 153 114 195 13If using a 4-period moving averages, the forecast in period
6 will be: a. 15.5 b. 14.5 c. 14.3 d. 12.8 e. none of the above.4 points QUESTION 19Main inputs to master demand schedule (MDS) may include: a. Sales orders,
planning bill of materials, and aggregate planning. b. Demand forecast, planned orders, and planned order releases. c. Sales orders, inventory on hand, and safety stock. d. All of the above. e. Answers “a” and “c”.4 points QUESTION 20In the MRP schedule for item A, the gross requirement is 245
units, safety stock is 44 units, and amount on hand is 131 units. The inventory
policy is lot-for-lot. The net requirement is equal to: a. 420 b. 332 c. 280 d. 158 e. 70