Physics · Space Science and Technology
The term 'Wet Dress Rehearsal' is best described as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A safety audit conducted post-launch to analyse cryogenic leakage and ground system failures.
- 2A ground-based propulsion test limited to firing cryogenic engines without integrating launch vehicle stages.
- 3A mock countdown exercise conducted after engine ignition to validate in-flight telemetry and guidance systems.
- 4A full-scale pre-launch simulation involving the actual loading of cryogenic propellants and execution of the countdown sequence.✓
Correct answer
A full-scale pre-launch simulation involving the actual loading of cryogenic propellants and execution of the countdown sequence.
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