Question 1Gas Turbine - 1st Asst/Chief
70% to passHow do you gain access to the burner units of a can-annular combustor to perform maintenance?
ABy removing the annular case
BBy removing the power turbine
CBy sliding the can-annular case aside
DBy disassembling the engine
AI Explanation
The correct answer is C) By sliding the can-annular case aside. In a can-annular combustor, the burner units are housed within the can-annular case. To access these burner units for maintenance, the proper procedure is to slide the can-annular case aside, rather than removing the entire annular case or disassembling the engine. This allows for easier access to the individual burner units without needing to undertake a more extensive engine teardown. The other options, such as removing the power turbine (B) or fully disassembling the engine (D), would be unnecessary and overly complicated steps to simply access the burner units for maintenance.
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