JULY 2014

1. Oil control ring inA. 2sB. 4sC. Both 2s & 4sD. Splash lubrication.

2. Why pre lubrication of engine required.A. To prevent corrosion B. To provide suction for lo p/pC. While starting of engine reduce wear.D. None of above.

3. Why medium speed engine not directly connected with propeller shaft.A. Prevents excessive vibration.B. To control vessel speed provide gear box .C ..................dnt remember D. None of above.

4.check bearing clearance .A. fwdB. Aft.C. Fwd & aft as convenient D. fwd or aft as applicable.

5.purpose of down comer Dnt remember option.

6.questions related to oversized & under size pin .