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1. |
In a four stroke cycle diesel engine, the exhaust valve |
A. | opens at 30 before bottom dead cnetre and closes at 10 after top dead centre |
B. | opens at 30 after bottom dead centre and closes at 10 before top dead centre |
C. | opens at bottom dead centre and closes at top dead centre |
D. | may open and close anywhere |
Answer» B. opens at 30 after bottom dead centre and closes at 10 before top dead centre | |