Operations Management: Sustainability and Supply Chain Management 13th edition by Jay Heizer Test ba

 

6) A foundry produces circular utility access hatches (manhole covers). Currently, 120 covers are produced in a 10-hour shift. If labor productivity decreases by 20% due to a process change, it would then be:
A) 14.4 covers/hr.
B) 9.6 covers/hr.
C) 144 covers/hr.
D) 96 covers/hr.
E) 11.8 covers/hr.
Answer:  B
Diff: 2
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
7) Gibson Valves produces cast bronze valves on an assembly line. If 1200 valves are produced in an 8-hour shift, the productivity of the line is:
A) 20 valves/hr.
B) 120 valves/hr.
C) 200 valves/hr.
D) 150 valves/hr.
E) 1200 valves/hr.
Answer:  D
Diff: 1
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
8) Gibson Valves produces cast bronze valves on an assembly line, currently producing 1600 valves each 8-hour shift. If the productivity increases by 30%, it would then be:
A) 60 valves/hr.
B) 260 valves/hr.
C) 220 valves/hr.
D) 204 valves/hr.
E) 2080 valves/hr.
Answer:  B
Diff: 2
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 

9) Gibson Valves produces cast bronze valves on an assembly line, currently producing 1600 valves per shift. If the production is increased to 1920 valves per shift, labor productivity will increase by:
A) 17%.
B) 20%.
C) 25%.
D) 40%.
E) 50%.
Answer:  B
Diff: 2
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
10) The Dulac Box plant produces 1000 cypress packing boxes in two 10-hour shifts. What is the productivity of the plant?
A) 25 boxes/hr.
B) 50 boxes/hr.
C) 5000 boxes/hr.
D) 0.04 boxes/hr.
E) 500 boxes/hr.
Answer:  B
Diff: 2
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
11) The Dulac Box plant works two 8-hour shifts each day. In the past, 1000 cypress packing boxes were produced by the end of each day. The use of new technology has enabled them to increase productivity by 30%. Productivity is now approximately:
A) 32.5 boxes/hr.
B) 40.6 boxes/hr.
C) 162.5 boxes/hr.
D) 81.25 boxes/hr.
E) 125 boxes/hr.
Answer:  D
Diff: 2
Objective:  LO 1.6 Compute single-factor productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 

12) The Dulac Box plant produces 500 cypress packing boxes in two 10-hour shifts. Due to higher demand, they have decided to operate three 8-hour shifts instead. They are now able to produce 600 boxes per day. What has happened to productivity?
A) It has not changed.
B) It has increased by 37.5 boxes/hr.
C) It has increased by 20%.
D) It has decreased by 8.3%.
E) It has decreased by 9.1%.
Answer:  A
Diff: 2
Objective:  LO 1.5 Explain the difference between production and productivity
AACSB:  Analytical thinking
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
13) Productivity measurement is complicated by:
A) the competition's output.
B) the fact that precise units of measure are often unavailable.
C) stable quality.
D) the workforce size.
E) the type of equipment used.
Answer:  B
Diff: 2
Objective:  LO 1.5 Explain the difference between production and productivity
Learning Outcome:  Discuss operations and operations management as a competitive advantage for the organization
 
14) The total of all outputs produced by the transformation process divided by the total of the inputs is:
A) utilization.
B) greater in manufacturing than in services.
C) defined only for manufacturing firms.
D) multifactor productivity.
E) single-factor productivity.
Answer:  D
Diff: 2
Objective:  LO 1.7 Compute multifactor productivity