Question 530Steam Plants - Assistant Engineer70% to pass
Which of the journal bearings listed most easily accommodates the minor turbine shaft misalignment?
AI Explanation
The correct answer is C) Spherically seated bearings.
Spherically seated bearings are the most suitable option to accommodate minor turbine shaft misalignment. This is because the spherical design of the bearing allows for some angular movement and adjustment, which helps to compensate for small variations in shaft alignment. In contrast, other bearing types like ball bearings, roller bearings, or spring bearings are less able to accommodate such minor misalignments without increased wear or stress on the shaft and bearings.
Related Questions
#528 When a turbine rotor is not rotating during maneuvering, the heat tends to be concentrated at the _______________.#529 With vacuum up and the main propulsion turbine standing by while awaiting engine orders, it is necessary to roll the unit alternately ahead and astern every five minutes to _______________.#531 On a main propulsion turbine bearing, the readings obtained with a bridge gage represent the _______________.#532 The adjustable spherically seated self-aligning bearing housings used in main turbines are provided with oil deflector rings. The function of these rings is to _______________.#533 The correct radial clearances between the rotor and the casing in a propulsion turbine are maintained by the turbine _______________.