| 
 
 
 |  | | 
 | 
 
 
 
 
 
 
 | In a four speed four stroke Diesel engine, the intake valve Choose the correct option from below list
 (1)opens at T.D.C. and closes at B.D.C.
 (2)opens at 10° after T.D.C. and closes at 20° before B.D.C.
 (3)opens at 20° before T.D.C. and closes at 35° after B.D.C.
 (4)None of the above
 
 Answer:-(3)opens at 20° before T.D.C. and closes at 35° after B.D.C.
 |  | 
 
 
 
 
 
 
 
 
 
 
 |  |  |  | 
 |