Conventional Fuels for IC Engines

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Questions and Answers

Which type of fuel is mentioned to be ideal for internal combustion engines due to their homogeneous mixing with air?

  • Charcoal fuels
  • Solid fuels
  • Liquid fuels
  • Gaseous fuels (correct)

Why are solid fuels considered unsuitable for internal combustion engines in their solid form?

  • They produce a large amount of ash after combustion
  • They have starting problems
  • They require complicated fuel feed systems (correct)
  • They are difficult to store and handle

What is a major advantage of gaseous fuels over liquid fuels in internal combustion engines?

  • They require simpler storage systems
  • They have more ash residue after combustion
  • They mix more homogeneously with air (correct)
  • They have fewer starting problems

Why are solid fuels like finely powdered coal not commonly used in internal combustion engines today?

<p>They are cumbersome to handle and store (B)</p> Signup and view all the answers

What type of power plants commonly use gaseous fuels due to their advantageous properties for combustion?

<p>Plants located near fuel sources (A)</p> Signup and view all the answers

In the context of internal combustion engines, what is a significant issue with solid fuels compared to other fuel types?

<p>They pose handling and storage challenges (C)</p> Signup and view all the answers

What is a major disadvantage of nozzles that tend to dribble?

<p>Narrow spray angle (B)</p> Signup and view all the answers

What is a characteristic feature of multi-hole nozzles?

<p>Have a wide spray angle (A)</p> Signup and view all the answers

What component drives the pumping mechanism in a Bosch-type fuel pump?

<p>Electric motor (D)</p> Signup and view all the answers

Why is maintaining a constant fuel pressure important in engine performance?

<p>For efficient fuel combustion (D)</p> Signup and view all the answers

What role does a control module play in Bosch-type fuel pumps in modern vehicles?

<p>Controlling fuel delivery (A)</p> Signup and view all the answers

How does the number of holes in multi-hole nozzles affect fuel distribution?

<p>Improves fuel distribution (C)</p> Signup and view all the answers

Which type of fuel additive is used to prevent the formation of wax crystals in diesel fuel?

<p>Anti-gelling Agents (A)</p> Signup and view all the answers

What is the primary purpose of using corrosion inhibitors in fuel?

<p>Protecting fuel system components from corrosion (C)</p> Signup and view all the answers

Why are liquid fuels derived from petroleum the main fuels for internal combustion engines today?

<p>They are the most commonly available type of liquid fuels (B)</p> Signup and view all the answers

What do cetane boosters aim to improve in a diesel engine's operation?

<p>Ignition and combustion (D)</p> Signup and view all the answers

Why has there been considerable research on gas engines design and performance in recent years?

<p>To address energy crisis issues (D)</p> Signup and view all the answers

Which fuel additive is designed to remove deposits and contaminants from fuel injectors?

<p>Fuel System Cleaners (C)</p> Signup and view all the answers

What is the main limitation associated with fossil fuels' resource distribution mentioned in the text?

<p>Resource Availability Inequality (D)</p> Signup and view all the answers

What is the primary function of a fuel feed pump in an internal combustion engine?

<p>To deliver fuel from the fuel tank to the engine at the required pressure (A)</p> Signup and view all the answers

Which alternative fuel source is derived from algae?

<p>Algae-based Fuels (A)</p> Signup and view all the answers

Why are economies heavily dependent on fossil fuels vulnerable to fluctuations in global energy prices?

<p>They are affected by fluctuations in global energy prices (C)</p> Signup and view all the answers

What is the purpose of a battery electric vehicle (BEV)?

<p>To be powered by electricity stored in batteries (A)</p> Signup and view all the answers

Why is transitioning away from fossil fuels challenging for industries reliant on them?

<p>It requires significant investments and may pose economic challenges (D)</p> Signup and view all the answers

Which statement accurately describes how compressed natural gas (CNG) compares to traditional gasoline or diesel?

<p>CNG is cleaner-burning than traditional gasoline or diesel (D)</p> Signup and view all the answers

What does a fuel feed pump create initially in the fuel system of an internal combustion engine?

<p>A low-pressure zone or suction on the inlet side (A)</p> Signup and view all the answers

In what way do hydrogen fuel cells differ from battery electric vehicles (BEVs)?

<p>Hydrogen fuel cells produce electricity through chemical reactions, while BEVs store electricity in batteries (C)</p> Signup and view all the answers

How does synthetic gasoline and diesel differ from traditional gasoline and diesel?

<p>They are produced using carbon dioxide and hydrogen with renewable energy sources (B)</p> Signup and view all the answers

What type of fuel system involves injecting fuel directly into the combustion chamber?

<p>Port Fuel Injection (A)</p> Signup and view all the answers

What role do battery electric vehicles (BEVs) play in the transition to sustainable energy sources?

<p>They are powered by electricity stored in batteries, promoting cleaner energy use (C)</p> Signup and view all the answers

Which type of nozzle provides a spray operating at low injection pressures and helps prevent carbon deposition?

<p>Pintle Nozzle (A)</p> Signup and view all the answers

What is the function of atomization in the nozzle?

<p>Ensures proper dispersion and penetration of fuel (D)</p> Signup and view all the answers

Which system allows engines to run on a blend of gasoline and ethanol?

<p>Flex-Fuel System (A)</p> Signup and view all the answers

In which fuel system does each injector deliver fuel in a specific sequence based on the engine firing order?

<p>Sequential Fuel Injection (D)</p> Signup and view all the answers

What is the main advantage of the Single Hole Nozzle?

<p>Avoids weak injection and dribbling (C)</p> Signup and view all the answers

Which system maintains a constant high pressure in a common fuel rail with precise fuel release as required?

<p>Common Rail Injection (A)</p> Signup and view all the answers

What distinguishes Throttle Body Injection (TBI) from other fuel systems?

<p>Throttle body located at entrance of intake manifold (D)</p> Signup and view all the answers

Which type of nozzle has a spray cone angle generally around 15 degrees?

<p>Single Hole Nozzle (D)</p> Signup and view all the answers

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