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WorksheetsAir Conditioning Maintenance Quiz
Total questions: 10
Worksheet time: 10mins
What voltage is required for a single-phase air conditioning unit?
415V
240V
380V
110V
Which of the following is NOT a characteristic to consider when installing an air conditioning unit?
Building height
Type of flooring
Window size
Number of light bulbs
What type of maintenance is performed to fix a malfunctioning air conditioning unit?
Routine maintenance
Corrective maintenance
Scheduled maintenance
Preventive maintenance
What should be avoided when installing the outdoor unit?
Solid foundation
Good air circulation
Direct sunlight
Easy access for maintenance
What is the function of a Direct On Line (D.O.L) starter?
To enhance cooling capacity
To increase voltage
To protect the air conditioning unit from overload
To reduce energy consumption
What is a common issue if the indoor unit is not cooling properly?
Thermostat set too low
Air filter is clean
Thermostat set too high
Outdoor unit is functioning well
What is the purpose of the clamp on meter?
To check refrigerant levels
To measure current and voltage
To test insulation resistance
To measure air pressure
What should be considered when installing the indoor unit?
The location must be sturdy.
The unit should be placed near heat sources.
The installation can be done anywhere.
The unit should be installed without any support.
What are the consequences of improper installation of the indoor unit?
It guarantees the safety of the unit.
It can cause the unit to vibrate.
It prevents water from leaking.
It ensures the unit operates efficiently.
Electrical connections are loose or burnt. Possible causes include loose terminal connections, vibrations from the condenser unit, and undersized/inappropriate cables.
Ensure bolts and nuts of wiring bracket are tightly secured
Tighten connections
Check cable size suitable for air-conditioning horsepower
