Ana makine operasyon ve bakimi modern dizel makinelerinde şarj ya da dolgu veriminin sayısal değeri hangi sınırlar içindedir?

A) Heat resistant

B) Hard finished

C) Half threaded

D) Corrosion resistant

E) Fire proof

10. The rotating part of a micrometer is the:

1. 
   Anvil
   
2. 
   Barrel
   
3. 
   Frame
   
4. 
   Thimble
   
5. 
   Cover
   

11. An advantage of aluminum pistons compared to cast iron pistons is:

1. 
   Greater high temperature strength
   
2. 
   Greater weight per cubic meter
   
3. 
   Increased resistance to wear
   

4. Low temperature strength

5. Better heat conductivity

12. Trunk type diesel engine pistons are most effectively cooled when heat is:

1. 
   Radiated through the engine block
   
2. 
   Mixed with lubrication oil
   
3. 
   Conducted through the piston crown
   
4. 
   Transferred to escaping exhaust gases
   

5. Transferred to water cooled cylinder walls

13. Cavitation, the forming and bursting of vapor filled cavities or bubbles will result in ..................................

1. 
   A loss of thrust
   
2. 
   Erosion of the blade surface
   
3. 
   Vibrations in the afterbody of the ship
   
4. 
   Noise
   
5. 
   All above
   

14. When the oil in the seperator is decreasing, which place cannot be leaking?

1. 
   Lower bearing casing
   
2. 
   Drum shaft
   
3. 
   Wormgear shaft bearing hosing
   
4. 
   Middle ball bearing casing
   
5. 
   The o-ring at shock water entrance to seperator into shockwater
   

15. -------------should be regarded as a special attention after installing a new hydraulic pump.

A) The relief filters should be readjusted