APU Meaning
APU stands for Auxiliary Power Unit. It is a device often used in aircraft, trucks, or other vehicles to provide energy for functions other than propulsion, such as starting the engine, operating climate control systems, or powering electrical equipment. APUs are critical for enhancing efficiency, reducing fuel consumption, and providing backup power during periods when the main engine is off.
Synonyms for “APU”
Auxiliary Power Device
Secondary Power Source
Backup Power Unit
Support Engine
Energy Support System
Non-Propulsion Generator
Reserve Power System
Standby Engine
Auxiliary Energy Unit
Supplementary Generator
Antonyms for “APU”
Main Engine
Primary Power Unit
Propulsion System
Central Power Source
Core Engine
Primary Generator
Main Drive System
Leading Power Unit
Propulsion Mechanism
Direct Energy Source
Short Sentence Examples
“The aircraft’s APU ensures cabin lighting and air conditioning function while on the ground.”
“Trucks with an APU save fuel by avoiding engine idling during rest stops.”
“The APU kicked in immediately when the primary power system failed.”
“Modern APUs are designed to reduce noise and emissions significantly.”
“Using an APU during maintenance minimizes wear on the main engine.”
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