subject: failure_mode_sensor_analysis

question: Which component is most likely to fail in a centrifugal pump handling high-viscosity fluids?

options:
- Impeller
- Bearings
- Piston
- Seal

option_ids: A B C D

text_type: choice

asset_name: centrifugal pump


subject: failure_mode_sensor_analysis

question: What would happen if the impeller of a positive displacement pump breaks?

options:
- Fluid flow increases
- Pump will stop moving fluid
- Impeller will keep rotating
- None of the above

option_ids: A B C D

text_type: choice

asset_name: impeller


subject: failure_mode_sensor_analysis

question: A burnt rotor winding in an electric motor is likely to cause what symptom?

options:
- Overheating
- Decrease in voltage supply
- Higher vibration
- Reduced noise

option_ids: A B C D

text_type: choice

asset_name: electric motor


subject: failure_mode_sensor_analysis

question: Which sensor is most useful to detect a bearing failure in an electric motor?

options:
- Pressure sensor
- Vibration sensor
- Current sensor
- Temperature sensor

option_ids: A B C D

text_type: choice

asset_name: electric motor


subject: failure_mode_sensor_analysis

question: Which sensor is NOT useful to detect knocking in an internal combustion engine?

options:
- Vibration sensor
- Microphone sensor
- Speed sensor
- Oxygen sensor

option_ids: A B C D

text_type: choice

asset_name: internal combustion engine


subject: failure_mode_sensor_analysis

question: What happens if the screw mechanism fails in a reciprocating compressor?

options:
- Pressure drops
- Increased temperature
- No change
- there is no screw in this type of compressor

option_ids: A B C D

text_type: choice

asset_name: reciprocating compressor


subject: failure_mode_sensor_analysis

question: Which sensor can best detect a valve leakage in a reciprocating compressor?

options:
- Speed sensor
- Temperature sensor
- Acoustic sensor
- Light sensor

option_ids: A B C D

text_type: choice

asset_name: generator


subject: failure_mode_sensor_analysis

question: A generator that shows power fluctuation but normal voltage likely has issues in:

options:
- Bearings
- Load control system
- Rotor cooling
- Voltage regulator

option_ids: A B C D

text_type: choice

asset_name: industrial pump


subject: failure_mode_sensor_analysis

question: Which of the following components would NEVER be found in any industrial pump?

options:
- Impeller
- Shaft
- Spark plug
- Seal

option_ids: A B C D

text_type: choice

asset_name: centrifugal pump


subject: failure_mode_sensor_analysis

question: What symptom is most likely if a centrifugal pump operates without liquid (dry run)?

options:
- Cavitation
- Seal gets damaged
- Reduced noise
- Increased flow

option_ids: A B C D

text_type: choice

asset_name: gearbox


subject: failure_mode_sensor_analysis

question: Which sensor is LEAST effective in detecting an early stage gearbox failure?

options:
- Vibration sensor
- Acoustic sensor
- Speed sensor
- Temperature sensor

option_ids: A B C D

text_type: choice

asset_name: hydraulic system


subject: failure_mode_sensor_analysis

question: In a hydraulic system, a drop in pressure with no visible leaks likely indicates:

options:
- Sensor fault
- Pump cavitation
- Air in the system
- Valve failure

option_ids: A B C D

text_type: choice

asset_name: electric motor


subject: failure_mode_sensor_analysis

question: Which component would most likely cause a sudden spike in current in an electric motor?

options:
- Shaft misalignment
- Rotor imbalance
- Stuck rotor
- Bearing wear

option_ids: A B C D

text_type: choice

asset_name: pump


subject: failure_mode_sensor_analysis

question: Which sensor would most reliably detect early cavitation in a pump?

options:
- Pressure sensor
- Acoustic sensor
- Vibration sensor
- Temperature sensor

option_ids: A B C D

text_type: choice

asset_name: piston compressor


subject: failure_mode_sensor_analysis

question: A piston compressor starts vibrating excessively; which is the most likely cause?

options:
- Rotor imbalance
- Valve wear
- Broken crankshaft
- Cooling fan misalignment

option_ids: A B C D

text_type: choice

asset_name: rotor


subject: failure_mode_sensor_analysis

question: Which sensor would NOT help identify an unbalanced rotor?

options:
- Vibration sensor
- Speed sensor
- Acoustic sensor
- Voltage sensor

option_ids: A B C D

text_type: choice

asset_name: centrifugal pump


subject: failure_mode_sensor_analysis

question: What happens if a mechanical seal fails in a centrifugal pump?

options:
- Pressure increases
- The impeller breaks
- Fluid leakage occurs
- The shaft stops rotating

option_ids: A B C D

text_type: choice

asset_name: screw compressor


subject: failure_mode_sensor_analysis

question: A screw compressor is producing lower pressure than normal; what is the LEAST likely cause?

options:
- Suction valve stuck open
- Internal leakage
- Worn rotor lobes
- Crankshaft failure

option_ids: A B C D

text_type: choice

asset_name: motor


subject: failure_mode_sensor_analysis

question: Which of the following is NOT a typical symptom of bearing failure in a motor?

options:
- Increased vibration
- Audible noise
- Overheating
- Lower voltage output

option_ids: A B C D

text_type: choice

asset_name: hydraulic piston actuator


subject: failure_mode_sensor_analysis

question: What sensor would MOST EFFECTIVELY detect internal leakage in a hydraulic piston actuator?

options:
- Temperature sensor
- Position sensor
- Pressure sensor
- None of the above

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: A vibration sensor detects a consistent spike at the same RPM; this most likely indicates:

options:
- Voltage issue
- Shaft misalignment
- Seal wear
- Oil contamination

option_ids: A B C D

text_type: choice

asset_name: lobe pump


subject: failure_mode_sensor_analysis

question: If a lobe pump starts overheating, what is the most likely cause?

options:
- Excessive flow
- Dry run
- Suction blockage
- High pressure

option_ids: A B C D

text_type: choice

asset_name: motor-coupled pump


subject: failure_mode_sensor_analysis

question: Which sensor combination is most effective for diagnosing misalignment in motor-coupled pumps?

options:
- Vibration + Temperature
- Speed + Voltage
- Pressure + Flow
- Light + Sound

option_ids: A B C D

text_type: choice

asset_name: piezoelectric sensors


subject: failure_mode_sensor_analysis

question: Which is a FALSE statement about piezoelectric sensors?

options:
- They detect high-frequency vibrations
- They are useful for cavitation detection
- They require external power to function
- They are commonly used in rotating machinery

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: Which failure would likely produce a sudden and sharp increase in vibration?

options:
- Gradual wear
- Rotor crack
- Shaft misalignment
- Motor overheating

option_ids: A B C D

text_type: choice

asset_name: internal combustion engine


subject: failure_mode_sensor_analysis

question: In an internal combustion engine, high-frequency knock is BEST detected by:

options:
- Oxygen sensor
- Accelerometer
- Thermocouple
- Pressure switch

option_ids: A B C D

text_type: choice

asset_name: centrifugal pump


subject: failure_mode_sensor_analysis

question: A centrifugal pump is producing low flow but pressure is high; what’s the most likely reason?

options:
- Air in the suction line
- Blocked discharge valve
- Seal failure
- Motor failure

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: If a vibration sensor shows rhythmic oscillations at low frequency, the likely issue is:

options:
- Cavitation
- Motor short
- Misalignment
- Electrical noise

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: What is the role of a Hall effect sensor in an electric motor?

options:
- Detect temperature
- Measure shaft speed
- Sense vibration
- Track oil condition

option_ids: A B C D

text_type: choice

asset_name: electric motor


subject: failure_mode_sensor_analysis

question: A thermal sensor detects rapid heating in a transformer; likely cause?

options:
- External vibration
- Electric Overload
- Fluid leak
- Fan misalignment
- a failure in the cooling system (C or D) will also cause a temperature rise, but it will not be as rapid unless the failure is catastrophic (much less common)

option_ids: A B C D E

text_type: choice

asset_name: transformer


subject: failure_mode_sensor_analysis

question: Which sensor is LEAST helpful in diagnosing fluid leakage in a closed system?

options:
- Pressure sensor
- Flow meter
- Acoustic sensor
- Voltage sensor

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: Which failure is most likely if both vibration and temperature rise steadily over days?

options:
- Electrical short
- Gradual bearing wear
- Oil contamination
- Sensor fault

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: Which device is used to detect rotational imbalance in fans and blowers?

options:
- Thermocouple
- Optical tachometer
- RTD sensor
- Pressure switch

option_ids: A B C D

text_type: choice

asset_name: fan and blower


subject: failure_mode_sensor_analysis

question: Which component failure is most associated with abnormal acoustic patterns in reciprocating compressors?

options:
- Piston ring wear
- Electrical short
- Motor insulation failure
- Voltage drop

option_ids: A B C D

text_type: choice

asset_name: reciprocating compressor


subject: failure_mode_sensor_analysis

question: A pump produces abnormal noise only under high load; the likely issue is:

options:
- Motor undersizing
- Suction blockage
- Cavitation
- Shaft seal misalignment

option_ids: A B C D

text_type: choice

asset_name: pump


subject: failure_mode_sensor_analysis

question: A motor shows a sudden drop in RPM without load change; suspect:

options:
- Thermal overload
- Misalignment
- Rotor winding issue
- Seal wear

option_ids: A B C D

text_type: choice

asset_name: motor


subject: failure_mode_sensor_analysis

question: Which sensor type detects change in magnetic field due to component movement?

options:
- RTD
- Hall sensor
- Ultrasonic
- Thermocouple

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: An acoustic sensor identifies irregular pulses in a piston pump; most likely cause?

options:
- Air in fluid
- Motor overheating
- Vibration sensor failure
- Worn seal

option_ids: A B C D

text_type: choice

asset_name: piston pump


subject: failure_mode_sensor_analysis

question: What component is NOT present in a diaphragm pump?

options:
- Diaphragm
- Solenoid
- Piston
- Check valve

option_ids: A B C D

text_type: choice

asset_name: diaphragm pump


subject: failure_mode_sensor_analysis

question: Which sensor would best confirm a blocked discharge line in a pump system?

options:
- Pressure sensor
- Temperature sensor
- Vibration sensor
- Hall sensor

option_ids: A B C D

text_type: choice

asset_name: pump


subject: failure_mode_sensor_analysis

question: What happens if a lube oil line is clogged in a turbine system?

options:
- RPM increases
- Bearings fail
- Temperature drops
- Voltage spikes

option_ids: A B C D

text_type: choice

asset_name: turbine


subject: failure_mode_sensor_analysis

question: Which sensor would help detect water contamination in oil?

options:
- Acoustic
- Dielectric
- Optical
- Thermocouple

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: What is the most likely symptom of insulation breakdown in a motor stator?

options:
- Voltage drop
- Excessive noise
- High temperature
- Current imbalance

option_ids: A B C D

text_type: choice

asset_name: motor


subject: failure_mode_sensor_analysis

question: If the suction line of a pump has a small crack, the pressure sensor may show:

options:
- Steady high pressure
- Irregular low pressure
- Normal pressure
- No change

option_ids: A B C D

text_type: choice

asset_name: pump


subject: failure_mode_sensor_analysis

question: What would an increase in current and decrease in RPM suggest in a motor-pump assembly?

options:
- Worn bearings
- Seal failure
- Rotor jam
- Oil contamination

option_ids: A B C D

text_type: choice

asset_name: motor-pump


subject: failure_mode_sensor_analysis

question: Which component in a pump is most prone to erosion when handling abrasive fluids?

options:
- Shaft
- Impeller
- Bearings
- None of the above

option_ids: A B C D

text_type: choice

asset_name: pump


subject: failure_mode_sensor_analysis

question: A drop in both current and pressure likely means:

options:
- Flow increase
- Pump off
- Sensor fault
- Air lock

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: Which failure is MOST likely to generate high-frequency vibration only?

options:
- Loose foundation
- Cavitation
- Shaft imbalance
- Misalignment

option_ids: A B C D

text_type: choice


subject: failure_mode_sensor_analysis

question: What’s the best sensor combo to detect shaft wear and misalignment?

options:
- Vibration + Speed
- Vibration + Acoustic
- Acoustic + Temperature
- Speed + Voltage

option_ids: A B C D

text_type: choice

asset_name: shaft


subject: failure_mode_sensor_analysis

question: What is the most likely failure mode of the stator in a diesel engine?

options:
- Overheating due to load
- Insulation breakdown
- Shorted windings
- A diesel engine has no stator

option_ids: A B C D

text_type: choice

asset_name: diesel engine