Question 669Steam Plants - Assistant Engineer70% to pass
The purpose of the sentinel valve installed on a turbine casing is to _______________.
AI Explanation
The correct answer is B) warn the engineer of excessive pressure in the low-pressure turbine casing.
The sentinel valve is installed on the turbine casing to provide a warning to the engineer if excessive pressure builds up within the low-pressure turbine casing. This is an important safety feature, as high pressure in the turbine casing could indicate a problem that requires immediate attention, such as a blockage or malfunction that could potentially lead to a dangerous situation. The other answer choices do not accurately describe the purpose of the sentinel valve.
Related Questions
#667 Which of the devices listed is generally used to engage the main engine turning gear to the high-pressure turbine high-speed pinion? #668 The main propulsion shaft turning gear usually connects to the free end of the high- speed high-pressure pinion because the _______________.#670 Which of the devices listed is found on an LP main propulsion steam turbine casing? #671 Large temperature and pressure drops which occur in the first stage of a combination impulse and reaction turbine are caused by steam passing through _______________.#672 Which of the following statements represents the function the nozzle assembly performs in an impulse turbine?