Unit 2A : Diesel Power plant

Which one of the following is NOT considered as one of the types of fuel system in Diesel power plant?

• Common rail

• individual pump system

• distributor

• main rail

Which one of the following is NOT considered as one of the types of Lubrication system of Diesel power plant?

• Splash - wet sump

• semi-pressurized- wet sump

• fully pressurized - Wet sump

• Semi pressurized - Dry sump

• Mist

Which one of the following is NOT considered as Cooling system types of Big Diesel power plant?

• Open

• Natural circulation

• Forced circulation

• Direct air cooling

Which one of the following is NOT a function of Exhaust system in Diesel power plant?

• To reduce noise of exhaust

• To reduce exhaust pollution

• To reduce vibration of exhaust

• To not consider the pressure loss in the exhaust system

• To extract the waste heat as much as possible in exhaust

Which one of the following is NOT a expected property of lubricants in Diesel power plant?

• free from corrosive acids

• free from dust, moisture, metallic chips

• maintain a continuous film between the rubbing surfaces

• low specific heat

• should not change its state with change in temperature

Large Diesel Engine - Air requirement ?

• 0.076 to 0.114 m3 of air per min per kW

• 0.076 to 0.114 m3 of air per sec per kW

• 0.076 to 0.114 m3 of air per sec per MW

• 0.076 to 0.114 m3 of air per min per MW

Which pump is used in lubrication system of DPP?

• Gear pump

• Centrifugal pump

• Reciprocating pump

• Lobe pump

In semi pressurized system , what is the pressure (gauge) of lubricant delivered to the main bearing?

• 2 bar

• 1 bar

• 3 bar

• atm pressure

Daily consumption tank- Which one of the following is NOT true?

• Capacity - 1 week requirement of plant, always located above the engine

• Capacity - at least 8 hrs requirement of the plant

• Located above engine to use gravity

• Can be located below the engine also

Which of the following component will NOT be lubricated by lubricant oil?

• Gear box

• Cam

• Cylinder wall

• Crankshaft

• Timing gears