Test Bank for Operations

Test Bank for Operations Management Sustainability and Supply Chain Management 13 th

Global Edition By Jay Heizer, Barry Render and Chuck Munson (All Chapters 1-17, 100% Original Verified, A+ Grade) This is the Only Original Test Bank for 13 th Global Edition, All Other Files in the Market are Fake/Old/Wrong Edition.

All Chapters Arranged Reverse: 17-1

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Operations Management, 13e, Global Edition (Heizer/Render/Munson) Chapter 17 Maintenance and Reliability Section 1 The Strategic Importance of Maintenance and Reliability 1) The Orlando Utilities Commission uses a computerized maintenance management program and devotes significant dollar and labor resources to power plant maintenance, because the costs of unexpected failure are incredibly high.

Answer: TRUE

Diff: 1

AACSB: Information technology

2) Maintenance includes all activities involved in maintaining capability of the system.

Answer: TRUE

Diff: 1

3) Reliability is the probability that a machine part or product will function properly for a specified time regardless of conditions.

Answer: FALSE

Diff: 2

4) The objective of maintenance and reliability is to maintain the capability of the system.

Answer: TRUE

Diff: 2

5) The reliability tactics include implementing or improving preventive maintenance as well as increasing repair capabilities or speed.

Answer: FALSE

Diff: 2

6) At the Orlando Utilities Commission, overhauls are scheduled for summer and winter.

Answer: FALSE

Diff: 2

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7) Which of the following statements about maintenance at the Orlando Utilities Commission is

FALSE?

A) There are at least two types of preventive maintenance, including an annual maintenance and a less frequent overhaul schedule.B) Its preventive maintenance program has earned the company top rankings and its competitive advantage.

• Each power-generating unit is taken off-line every three years for a complete overhaul.
• Each of its power-generating units is taken off-line for maintenance every one to three weeks.

E) Costs associated with breakdowns are several times higher than costs arising from preventive maintenance.

Answer: D

Diff: 2

8) The objective of maintenance and reliability is to:

• ensure that breakdowns do not affect the quality of the products.
• ensure that no breakdowns will ever occur.
• ensure that preventive maintenance costs are kept as low as possible.
• maintain the capability of the system.
• ensure that maintenance employees are fully utilized.

Answer: D

Diff: 2

9) What is the probability that a product will function properly for a specified time under stated conditions?

• functionality
• maintenance
• durability
• reliability
• fitness for use

Answer: D

Diff: 2

10) Which of the following is a reliability tactic?

• improving individual components
• F increasing repair speed
• providing redundancy
• A and C
• A, B, and C

Answer: D

Diff: 2

Objective: LO 17.1 Describe how to improve system reliability

11) ________ consists of all activities involved in maintaining capability of the system.

Answer: Maintenance

Diff: 1

2

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12) ________ is the probability that a machine part or product will function properly for a specified time under stated conditions.

Answer: Reliability

Diff: 2

13) Describe how the Orlando Utilities Commission obtains competitive advantage through its maintenance practices.Answer: The company recognizes the importance of preventive maintenance to the business it is in; this is driven in part by the very large cost of forced power outages. Their maintenance plan involves annual checkups for each plant and complete overhauls every three years. The firm has well-developed and highly detailed preventive maintenance procedures. Maintenance work orders are computerized for efficiency.

Diff: 3

14) Identify the two reliability tactics and the two maintenance tactics.Answer: The reliability tactics are: (1) improving individual components and (2) providing redundancy. The maintenance tactics are: (1) implementing or improving preventive maintenance and (2) increasing repair capabilities or speed.

Diff: 2

15) Define reliability.Answer: Reliability is the probability that a machine part or product will function properly for a specified time under stated conditions.

Diff: 3

16) Define maintenance.Answer: Maintenance is all activities involved in maintaining capability of the system.

Diff: 3

Section 2 Reliability 1) The product failure rate FR(%) is the percent of failures among the total number of products tested.

Answer: TRUE

Diff: 2

Objective: LO 17.3 Determine mean time between failures (MTBF)

2) The MTBF (mean time between failures) is calculated as the reciprocal of the number of failures during a period of operating time.

Answer: TRUE

Diff: 2

Objective: LO 17.3 Determine mean time between failures (MTBF)

3 .

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