CWEA Mechanical Technologist Grade 3 Exam QUESTIONS AND CORRECT ANSWERS
WITH RATIONALES
Exam coverage
• mechanical equipment
• pumps
• motors and drives
• lubrication
• bearings and seals
• valves
• compressors
• preventive maintenance
• troubleshooting
• work safety
,1. When evaluating a field situation, which statement best applies because Mechanical
equipment should operate within its design limits to reduce wear and unsafe
conditions.. Which answer best applies the underlying mechanical technologist
principle in this situation?
A. Mechanical equipment should operate within its design limits to reduce wear and unsafe
conditions..
B. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
C. Pump performance depends on flow, head, speed, alignment, and operating conditions..
D. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Mechanical equipment
should operate within its design limits to reduce wear and unsafe conditions.. The alternatives
describe related concepts but do not directly answer the issue presented.
2. An inspector is reviewing this condition; which response is most appropriate
because Pump performance depends on flow, head, speed, alignment, and operating
conditions.. Which answer best applies the underlying mechanical technologist
principle in this situation?
A. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
,B. Pump performance depends on flow, head, speed, alignment, and operating conditions..
C. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
D. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Pump performance
depends on flow, head, speed, alignment, and operating conditions.. The alternatives describe
related concepts but do not directly answer the issue presented.
3. Which explanation best connects the requirement with its practical purpose when
Motors and drives require appropriate electrical supply, alignment, cooling, and
loading.. Which answer best applies the underlying mechanical technologist principle
in this situation?
A. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
B. Valves should be selected and operated according to service, pressure, temperature, and
flow requirements..
C. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
D. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
Correct answer: A
, Rationale: The correct choice directly states the governing principle: Motors and drives require
appropriate electrical supply, alignment, cooling, and loading.. The alternatives describe
related concepts but do not directly answer the issue presented.
4. A technician must decide how to proceed; which answer is supported by the
principle that Lubrication reduces friction and wear when the correct lubricant and
maintenance interval are used.. Which answer best applies the underlying mechanical
technologist principle in this situation?
A. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
B. Compressors require suitable lubrication, cooling, pressure control, and operating
conditions..
C. Valves should be selected and operated according to service, pressure, temperature, and
flow requirements..
D. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
Correct answer: D
Rationale: The correct choice directly states the governing principle: Lubrication reduces
friction and wear when the correct lubricant and maintenance interval are used.. The
alternatives describe related concepts but do not directly answer the issue presented.
WITH RATIONALES
Exam coverage
• mechanical equipment
• pumps
• motors and drives
• lubrication
• bearings and seals
• valves
• compressors
• preventive maintenance
• troubleshooting
• work safety
,1. When evaluating a field situation, which statement best applies because Mechanical
equipment should operate within its design limits to reduce wear and unsafe
conditions.. Which answer best applies the underlying mechanical technologist
principle in this situation?
A. Mechanical equipment should operate within its design limits to reduce wear and unsafe
conditions..
B. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
C. Pump performance depends on flow, head, speed, alignment, and operating conditions..
D. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
Correct answer: A
Rationale: The correct choice directly states the governing principle: Mechanical equipment
should operate within its design limits to reduce wear and unsafe conditions.. The alternatives
describe related concepts but do not directly answer the issue presented.
2. An inspector is reviewing this condition; which response is most appropriate
because Pump performance depends on flow, head, speed, alignment, and operating
conditions.. Which answer best applies the underlying mechanical technologist
principle in this situation?
A. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
,B. Pump performance depends on flow, head, speed, alignment, and operating conditions..
C. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
D. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
Correct answer: B
Rationale: The correct choice directly states the governing principle: Pump performance
depends on flow, head, speed, alignment, and operating conditions.. The alternatives describe
related concepts but do not directly answer the issue presented.
3. Which explanation best connects the requirement with its practical purpose when
Motors and drives require appropriate electrical supply, alignment, cooling, and
loading.. Which answer best applies the underlying mechanical technologist principle
in this situation?
A. Motors and drives require appropriate electrical supply, alignment, cooling, and loading..
B. Valves should be selected and operated according to service, pressure, temperature, and
flow requirements..
C. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
D. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
Correct answer: A
, Rationale: The correct choice directly states the governing principle: Motors and drives require
appropriate electrical supply, alignment, cooling, and loading.. The alternatives describe
related concepts but do not directly answer the issue presented.
4. A technician must decide how to proceed; which answer is supported by the
principle that Lubrication reduces friction and wear when the correct lubricant and
maintenance interval are used.. Which answer best applies the underlying mechanical
technologist principle in this situation?
A. Bearings and seals require inspection for wear, overheating, leakage, and abnormal
vibration..
B. Compressors require suitable lubrication, cooling, pressure control, and operating
conditions..
C. Valves should be selected and operated according to service, pressure, temperature, and
flow requirements..
D. Lubrication reduces friction and wear when the correct lubricant and maintenance interval
are used..
Correct answer: D
Rationale: The correct choice directly states the governing principle: Lubrication reduces
friction and wear when the correct lubricant and maintenance interval are used.. The
alternatives describe related concepts but do not directly answer the issue presented.
