Which outcome occurs when heat exposure compromises a refrigeration system's oil?

💡 Explanation

Compressor valve plate carbonization occurs because increased temperatures cause oil breakdown depositing hard carbon; the mechanism is oil coking under thermal stress. Therefore, valve function degrades, leading to decreased compressor efficiency, rather than optimized operation as heat stress accelerates reactions.

• Which inefficiency results when insufficient fuel vaporization occurs due to low nozzle atomization during direct injection in a modern gasoline engine?
• Which outcome occurs in a modern gasoline direct injection engine operating at high temperature with lean fuel mixture?
• Which consequence results when ice blockage occurs in an aircraft's bleed air system?
• Which consequence results when hydraulic actuator's bleed control causes excess dampening?
• Which outcome occurs when significant harmonic currents flow through a power distribution circuit containing a capacitor bank?
• Which risk increases when a jet engine experiences ice crystal icing?