1
GATE ME 1987
MCQ (Single Correct Answer)
+1
-0.3
The expected life of a ball bearing subjected to a load of $$9800N$$ and working at $$1000RPM$$ is $$3000$$ hours. What is the expected life of the same bearing for a similar load of $$4900$$ $$N$$ and a speed of $$2000rpm$$
A
Unchanged
B
$$12,000$$ hours
C
$$1,500$$ hours
D
$$6,000$$ hours
GATE ME Subjects
Turbo Machinery
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