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MEO Class II – EK-Motor : 2018/DEC/09 – 2019/JUN/07 – 2019/SEP/08 – 2020/NOV/02 – 2021/NOV/03 – 2022/APR/06 – 2019/DEC/08

Question

Q3. With reference to turbocharger bearings:

A. Discuss the relative advantages and disadvantages of white metal sleeve and ball race bearings for turbocharger rotor support.

B. State with reasons how axial location of the rotor is achieved.

C. Explain how the bearing are kept cool in service.

D. Indicate how the bearings are sealed from the atmosphere and exhaust gas.

Asked in Year/Month/Ques No.

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