Petrol Engine Fuel Supply System MCQ

Test your knowledge with important Petrol Engine Fuel Supply System MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Petrol Engine Fuel Supply System MCQs at Bissoy

• Which type of turbochargers use moveable vanes to adjust air-flow?
  ক

  Variable compressor

  খ

  Variable- geometry

  গ

  Variable-nozzle

  ঘ

  Variable-nozzle or Variable-geometry
• Smaller turbochargers have less turbo lag than a larger one?
  ক

  True

  খ

  False
• What are the systems that use a turbocharger to maintain an engine’s sea-level power output is known as?
  ক

  CRDI engine

  খ

  Multi-air engine

  গ

  TDCI engine

  ঘ

  Turbo-normalized engine
• The turbocharger’s compressor draws in ambient air and compresses it before it enters into which part?
  ক

  Intake manifold

  খ

  Exhaust manifold

  গ

  Air filter

  ঘ

  Intake resonator
• What is the main objective of a turbocharger?
  ক

  Volumetric efficiency

  খ

  Thermal efficiency

  গ

  Load

  ঘ

  Fuel efficiency
• In a naturally aspirated engine, the air is drawn into the engine by which mechanism?
  ক

  Supercharging

  খ

  Turbocharging

  গ

  Upward stroke of the piston

  ঘ

  Downward stroke of the piston
• Which loss is increased when a turbocharger place exhaust back pressure on engines?
  ক

  Fuel loss

  খ

  Traction loss

  গ

  Lubrication loss

  ঘ

  Pumping loss
• Which technology is the combination of turbocharging and supercharging an engine?
  ক

  Twin-charging

  খ

  Bi-lateral charging

  গ

  Tripping

  ঘ

  Maxcharging
• What is the disadvantage of turbocharger?
  ক

  Turbo temperature

  খ

  Hot air

  গ

  Turbo drop

  ঘ

  Throttle lag
• The exhaust gas drives which part of the turbocharger?
  ক

  Intercooler

  খ

  Turbine

  গ

  Manifolds

  ঘ

  Coupling
• Turbocharger is driven by which mechanism?
  ক

  Intake gas

  খ

  V-belt

  গ

  Chain

  ঘ

  Exhaust gas
• On which engines, the centrifugal-type supercharger has been mainly used?
  ক

  Automobile engine

  খ

  Marine engine

  গ

  Aircraft engine

  ঘ

  Lawnmower engine
• In which type of supercharger, the compressing air travels along the screw axis?
  ক

  Screw type

  খ

  Root type

  গ

  Nut type

  ঘ

  Vane type
• Which type of supercharger, compress the air between two intermeshing screws?
  ক

  Screw type

  খ

  Root type

  গ

  Nut type

  ঘ

  Vane type
• Which of the mentioned below is not a desired property of vane material?
  ক

  High strength

  খ

  Low friction

  গ

  Low coefficient of thermal expansion

  ঘ

  Quiet running
• In a vane-type supercharger, the drum slide in or out against which force?
  ক

  Centrifugal force

  খ

  Centripetal force

  গ

  Inertia force

  ঘ

  Spring force
• Which type of pump is Eaton 5th generation supercharger?
  ক

  Dynamic compressor

  খ

  Negative displacement

  গ

  Static compressor

  ঘ

  Positive displacement
• Which type of supercharger consists of two rotors of epicycloid shape?
  ক

  Root’s type

  খ

  Centrifugal type

  গ

  Vane type

  ঘ

  Screw type
• Which material is used in impellers of Centrifugal supercharger?
  ক

  Nichrome

  খ

  Iron

  গ

  Copper

  ঘ

  Alloy steel
• Which type of supercharger has an impeller at the center?
  ক

  Root’s type

  খ

  Centrifugal type

  গ

  Vane type

  ঘ

  Screw type
• Which of the mentioned below is not a type of supercharger?
  ক

  Centrifugal type

  খ

  Root’s type

  গ

  Screw type

  ঘ

  Nut type
• In two-stroke engines, what is required to purge exhaust gasses?
  ক

  Lighter piston

  খ

  Lubrication

  গ

  Oil

  ঘ

  Scavenging
• What happens to the engine if there is an increase in the temperature of the air+fuel mixture?
  ক

  Lower vibration

  খ

  Higher torque

  গ

  High efficiency

  ঘ

  Detonation
• Which are the types of dynamic compressors?
  ক

  Centrifugal and centripetal

  খ

  Single-stage and multi-stage axial flow

  গ

  Centripetal and single-stage axial flow

  ঘ

  Centrifugal and multi-stage axial flow
• When the boosted pressure is equal to the compression pressure of the supercharger, what is the value of the backflow?
  ক

  10

  খ

  4

  গ

  2

  ঘ

  0
• Internal compression devices usually use varying compression ratio.
  ক

  True

  খ

  False
• Which of the mentioned below is the disadvantage of supercharger?
  ক

  More volume of air

  খ

  Increase in temperature

  গ

  Higher density

  ঘ

  Cold air
• On what basis positive displacement superchargers are usually rated?
  ক

  Capacity per revolution

  খ

  Parts per million

  গ

  Displacement of engine

  ঘ

  Size of exhaust manifold
• Which supercharger doesn’t deliver pressure at low speeds?
  ক

  Dynamic compressor

  খ

  Negative displacement

  গ

  Static compressor

  ঘ

  Positive displacement
• Which supercharger delivers an almost constant level pressure increase at all engine RPM?
  ক

  Dynamic compressor

  খ

  Negative displacement

  গ

  Static compressor

  ঘ

  Positive displacement