Chapter 18: Maintenance

Question 1

Operation to Failure

Answer 1

Assets are functional until they fail. Only at the time of failure are repairs made.

Question 2

RCM

Answer 2

Reliability-centered maintenance

Question 3

One-time modification

Answer 3

Changes that are implemented only once; they tend to be large adjustments either to equipment, systems, or processes.

Question 4

What is predictive maintenance?

Answer 4

Maintenance that monitors the conditions of the equipment or system condition top project when maintenance will be required.

Question 5

What is preventative maintenance?

Answer 5

A series of maintenance tasks are undertaken at predetermined time intervals when the equipment is to be maintained experiences a scheduled outage.

Question 6

For maintenance, RCM recognizes five options for the mitigation of risk.

Answer 6

1. Preventative maintenance
2. Predictive maintenance
3. Testing (detective) maintenance
4. Operate to failure
5. One-time modification

Question 7

For which data center classes should you not plan to work on mirrored components simultaneously?

Answer 7

Class 2 or higher

Question 8

HVAC systems shall be maintained according to __________.

Answer 8

Manufacturer’s Specification

Question 9

What should be done for telecom cabling system maintenance?

Answer 9

Cabling systems should be inspected periodically for cable degradation, cracks, abrasions, heat, deformation, brittleness, movement, corrosion, or other indications of abuse or age.

Question 10

Why is maintenance recordkeeping, though not required, highly recommended?

Answer 10

It is a valuable tool for establishing maintenance histories, baselines, and data trending.

Question 11

Identify at least 3 maintenance philosophies commonly used in data centers.

Answer 11

1. Preventative maintenance
2. Predictive maintenance
3. Reliability-centered maintenance

Question 12

True or False: The maintenance philosophy chosen will influence the data center’s operational availability.

Answer 12

True

Question 13

True or False: A preventative maintenance schedule, once developed, is fixed for the life of that equipment/asset.

Answer 13

False; A preventative maintenance schedule can be adjusted for known considerations such as weather, expected use, and resource availability.

Question 14

What is the first logical step when considering reliability-centered maintenance philosophy?

Answer 14

Identify the maintenance requirements of each equipment/asset.

Question 15

Generators can be tested under a load bank to prevent the potential of jeopardizing the critical load. Identify one instance where generators shall be tested under live load.

Answer 15

When local codes require live load testing.

Question 16

True or False: It is recommended that mechanical equipment be tested only as individual components.

Answer 16

False; Mechanical equipment should be tested both individually and as part of an integrated system to ensure compatibility and proper interaction between equipment in accordance with the design intent.

Question 17

It is recommended that a service contract clearly defines the relationship between the organization and the contractor.

Answer 17

Terms and conditions