Question 694Steam Plants - Assistant Engineer70% to pass
Which of the following types of bearings are used as line shaft bearings?
AI Explanation
The correct answer is D) Ring-oiled, Babbitt-faced, spherical seat, shell.
This type of bearing is commonly used as a line shaft bearing in maritime applications. The key features that make it suitable for this purpose are the ring-oiling system, which automatically lubricates the bearing, and the Babbitt-faced shell which provides a durable and self-lubricating surface. The spherical seat allows for some misalignment of the shaft, making it a reliable choice for line shaft applications.
The other options are not typically used as line shaft bearings. Option A is a radial sleeve bearing, which is more commonly used in electric motors. Option B is a thrust bearing, designed to handle axial loads rather than radial loads. Option C is a tapered roller bearing, which is better suited for higher-speed applications than a typical line shaft.
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