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← TechnologyWhich outcome occurs when a hydraulic pump operating an elevator exhibits internal leakage across its pistons?
A)Elevator car drifts downwards slowly✓
B)Motor stalls due to fluid starvation
C)Braking system activates unexpectedly
D)Door interlocks fail to engage
💡 Explanation
When internal leakage occurs, the fluid bypasses the intended output, causing a loss of pressure and flow to the elevator's lifting cylinder because it cannot maintain sufficient hydraulic force. Therefore, gravitational drift results, rather than stall, braking, or interlock failures which would involve separate electrical or mechanical faults.
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