CWEA Mechanical Technologist Certification Exam QUESTIONS AND CORRECT
ANSWERS WITH RATIONALES
Exam coverage
• pumps
• motors
• bearings
• lubrication
• valves
• compressors
• mechanical seals
• preventive maintenance
• troubleshooting
• safety
,1. During a routine review, which option best describes why Pumps convert mechanical
energy into fluid movement and pressure.. Which answer best applies the underlying
mechanical technologist principle in this situation?
A. Pumps convert mechanical energy into fluid movement and pressure..
B. Lubrication reduces friction and wear when the correct product and interval are used..
C. Motors provide mechanical power and require proper electrical supply and cooling..
D. Bearings support rotating components and require appropriate lubrication and inspection..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Pumps convert
mechanical energy into fluid movement and pressure.. The alternatives describe related
concepts but do not directly answer the issue presented.
2. A supervisor asks which practice is most appropriate when Motors provide
mechanical power and require proper electrical supply and cooling.. Which answer best
applies the underlying mechanical technologist principle in this situation?
A. Bearings support rotating components and require appropriate lubrication and inspection..
B. Valves regulate, isolate, or direct flow and must match service conditions..
C. Motors provide mechanical power and require proper electrical supply and cooling..
D. Lubrication reduces friction and wear when the correct product and interval are used..
Correct answer: C
,Rationale: The correct choice directly states the governing principle: Motors provide
mechanical power and require proper electrical supply and cooling.. The alternatives describe
related concepts but do not directly answer the issue presented.
3. Which choice correctly identifies the main reason that Bearings support rotating
components and require appropriate lubrication and inspection.. Which answer best
applies the underlying mechanical technologist principle in this situation?
A. Valves regulate, isolate, or direct flow and must match service conditions..
B. Bearings support rotating components and require appropriate lubrication and inspection..
C. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
D. Lubrication reduces friction and wear when the correct product and interval are used..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Bearings support rotating
components and require appropriate lubrication and inspection.. The alternatives describe
related concepts but do not directly answer the issue presented.
4. When evaluating a field situation, which statement best applies because Lubrication
reduces friction and wear when the correct product and interval are used.. Which
answer best applies the underlying mechanical technologist principle in this situation?
A. Mechanical seals control leakage around rotating shafts and require correct installation and
condition..
B. Lubrication reduces friction and wear when the correct product and interval are used..
, C. Valves regulate, isolate, or direct flow and must match service conditions..
D. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Lubrication reduces
friction and wear when the correct product and interval are used.. The alternatives describe
related concepts but do not directly answer the issue presented.
5. An inspector is reviewing this condition; which response is most appropriate
because Valves regulate, isolate, or direct flow and must match service conditions..
Which answer best applies the underlying mechanical technologist principle in this
situation?
A. Valves regulate, isolate, or direct flow and must match service conditions..
B. Preventive maintenance addresses developing defects before failures occur..
C. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
D. Mechanical seals control leakage around rotating shafts and require correct installation and
condition..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Valves regulate, isolate,
or direct flow and must match service conditions.. The alternatives describe related concepts
but do not directly answer the issue presented.
ANSWERS WITH RATIONALES
Exam coverage
• pumps
• motors
• bearings
• lubrication
• valves
• compressors
• mechanical seals
• preventive maintenance
• troubleshooting
• safety
,1. During a routine review, which option best describes why Pumps convert mechanical
energy into fluid movement and pressure.. Which answer best applies the underlying
mechanical technologist principle in this situation?
A. Pumps convert mechanical energy into fluid movement and pressure..
B. Lubrication reduces friction and wear when the correct product and interval are used..
C. Motors provide mechanical power and require proper electrical supply and cooling..
D. Bearings support rotating components and require appropriate lubrication and inspection..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Pumps convert
mechanical energy into fluid movement and pressure.. The alternatives describe related
concepts but do not directly answer the issue presented.
2. A supervisor asks which practice is most appropriate when Motors provide
mechanical power and require proper electrical supply and cooling.. Which answer best
applies the underlying mechanical technologist principle in this situation?
A. Bearings support rotating components and require appropriate lubrication and inspection..
B. Valves regulate, isolate, or direct flow and must match service conditions..
C. Motors provide mechanical power and require proper electrical supply and cooling..
D. Lubrication reduces friction and wear when the correct product and interval are used..
Correct answer: C
,Rationale: The correct choice directly states the governing principle: Motors provide
mechanical power and require proper electrical supply and cooling.. The alternatives describe
related concepts but do not directly answer the issue presented.
3. Which choice correctly identifies the main reason that Bearings support rotating
components and require appropriate lubrication and inspection.. Which answer best
applies the underlying mechanical technologist principle in this situation?
A. Valves regulate, isolate, or direct flow and must match service conditions..
B. Bearings support rotating components and require appropriate lubrication and inspection..
C. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
D. Lubrication reduces friction and wear when the correct product and interval are used..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Bearings support rotating
components and require appropriate lubrication and inspection.. The alternatives describe
related concepts but do not directly answer the issue presented.
4. When evaluating a field situation, which statement best applies because Lubrication
reduces friction and wear when the correct product and interval are used.. Which
answer best applies the underlying mechanical technologist principle in this situation?
A. Mechanical seals control leakage around rotating shafts and require correct installation and
condition..
B. Lubrication reduces friction and wear when the correct product and interval are used..
, C. Valves regulate, isolate, or direct flow and must match service conditions..
D. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Lubrication reduces
friction and wear when the correct product and interval are used.. The alternatives describe
related concepts but do not directly answer the issue presented.
5. An inspector is reviewing this condition; which response is most appropriate
because Valves regulate, isolate, or direct flow and must match service conditions..
Which answer best applies the underlying mechanical technologist principle in this
situation?
A. Valves regulate, isolate, or direct flow and must match service conditions..
B. Preventive maintenance addresses developing defects before failures occur..
C. Compressors require appropriate lubrication, cooling, pressure control, and maintenance..
D. Mechanical seals control leakage around rotating shafts and require correct installation and
condition..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Valves regulate, isolate,
or direct flow and must match service conditions.. The alternatives describe related concepts
but do not directly answer the issue presented.
