Conventional Fuels for IC Engines

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

They are difficult to handle and store due to their solid form.

What is a disadvantage of using gaseous fuels in automobiles?

Storage and handling problems limit their use.

Why were attempts made to generate gaseous or liquid fuels from charcoal for IC engines?

To address the challenges of handling solid fuels.

What is an advantage of gaseous fuels over solid fuels in internal combustion engines?

They are less cumbersome to handle and store. Signup and view all the answers

Why do solid fuels face complications in the design of fuel feed systems for internal combustion engines?

Handling and feeding them prove to be quite challenging. Signup and view all the answers

What restricts the use of gaseous fuels in automobiles, despite their advantages for internal combustion engines?

Storage and handling difficulties associated with these fuels. Signup and view all the answers

What is a major disadvantage of the nozzle mentioned in the text?

It tends to dribble Signup and view all the answers

How many holes can a multi-hole nozzle consist of?

4 to 18 holes Signup and view all the answers

What is the purpose of the electric motor in a Bosch-type fuel pump?

To drive a pumping mechanism for pressurizing the fuel Signup and view all the answers

What role does the pressure regulator play in some Bosch-type fuel pumps?

Ensuring proper fuel atomization and combustion Signup and view all the answers

Why is regular maintenance essential for Bosch-type fuel pumps?

To ensure proper functioning of the fuel pump and system Signup and view all the answers

What distinguishes multi-hole nozzles from other types of nozzles mentioned in the text?

They require higher velocities for good mixing Signup and view all the answers

What is the main reason for the expensive and risky nature of liquefying gaseous fuels under pressure?

Safety hazards associated with storing liquefied gases Signup and view all the answers

Which of the following is NOT a principal commercial type of liquid fuel mentioned in the text?

Kerosene Signup and view all the answers

What is the role of cetane boosters in diesel fuels?

Raise the cetane number for better ignition Signup and view all the answers

What is the purpose of using fuel stabilizers?

Prevent fuel degradation and oxidation during storage Signup and view all the answers

Which limitation of fossil fuels is related to challenges in reserves extraction as they become depleted?

Finite Resources Signup and view all the answers

How do antioxidants contribute to fuel system maintenance?

Reduce oxidation of fuel to prevent issues in the fuel system Signup and view all the answers

What is a common purpose of using anti-gelling agents in diesel fuel?

Prevent formation of wax crystals, especially in cold temperatures Signup and view all the answers

How do detergents contribute to engine performance?

Clean and remove deposits from various engine parts Signup and view all the answers

What environmental impact is associated with fossil fuels according to the text?

Finite resources depletion Signup and view all the answers

Which statement regarding energy security is supported by the text?

Dependence on fossil fuels poses risks to energy security due to reliance on a limited number of exporting countries. Signup and view all the answers

Which type of fuel system allows engines to run on a mixture of gasoline and ethanol?

Flex-Fuel System Signup and view all the answers

In which type of injection system is fuel injected directly into the combustion chamber?

Direct Injection Signup and view all the answers

Which system uses a simplified form of fuel injection with injectors placed in the throttle body?

Throttle Body Injection (TBI) Signup and view all the answers

Which factor affects the distribution of fuel within the combustion chamber through the nozzle?

Injection pressure Signup and view all the answers

Which type of nozzle provides a spray operating at low injection pressures and prevents carbon deposition on the nozzle hole?

Pintle Nozzle Signup and view all the answers

What is the function of atomization in the nozzle?

First phase in obtaining proper mixing of fuel and air Signup and view all the answers

Which type of nozzle has a single hole at the center of its body?

Single Hole Nozzle Signup and view all the answers

Which type of fuel system mixes air and fuel in a fixed ratio before entering engine cylinders?

Carburetor System Signup and view all the answers

What is the advantage of using a Pintle Nozzle in fuel injection systems?

Avoids weak injection and dribbling Signup and view all the answers

In which type of fuel system are injectors placed at the entrance of the intake manifold in the engine?

TBI System Signup and view all the answers

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

To deliver fuel from the fuel tank to the engine at the required pressure Signup and view all the answers

Which of the following is NOT an alternative/non-conventional fuel source mentioned in the text?

Gasoline Signup and view all the answers

What is a common challenge associated with transitioning away from fossil fuels to sustainable energy sources mentioned in the text?

Significant investments required Signup and view all the answers

Which alternative fuel is derived from algae and can be grown using sunlight and carbon dioxide?

Algae-based Fuels Signup and view all the answers

What happens during the Suction Stage of a typical fuel feed pump's working process?

Creating a low-pressure zone for fuel intake Signup and view all the answers

Which of the following is a cleaner-burning alternative to diesel mentioned in the text?

Liquefied Petroleum Gas (LPG) Signup and view all the answers

What is a notable impact of economic vulnerability in regions heavily dependent on fossil fuels?

Impacts on overall economic stability due to global energy price fluctuations Signup and view all the answers

What are Battery Electric Vehicles (BEVs) powered by?

Electricity stored in batteries Signup and view all the answers

What type of mechanism may be used in an impeller-based fuel pump?

Generating centrifugal force Signup and view all the answers

What is one of the major challenges associated with developing technologies for cleaner use of fossil fuels?

Significant technical and infrastructural challenges Signup and view all the answers

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Conventional Fuels for IC Engines

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Questions and Answers

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

What is a disadvantage of using gaseous fuels in automobiles?

Why were attempts made to generate gaseous or liquid fuels from charcoal for IC engines?

What is an advantage of gaseous fuels over solid fuels in internal combustion engines?

Why do solid fuels face complications in the design of fuel feed systems for internal combustion engines?

What restricts the use of gaseous fuels in automobiles, despite their advantages for internal combustion engines?

What is a major disadvantage of the nozzle mentioned in the text?

How many holes can a multi-hole nozzle consist of?

What is the purpose of the electric motor in a Bosch-type fuel pump?

What role does the pressure regulator play in some Bosch-type fuel pumps?

Why is regular maintenance essential for Bosch-type fuel pumps?

What distinguishes multi-hole nozzles from other types of nozzles mentioned in the text?

What is the main reason for the expensive and risky nature of liquefying gaseous fuels under pressure?

Which of the following is NOT a principal commercial type of liquid fuel mentioned in the text?

What is the role of cetane boosters in diesel fuels?

What is the purpose of using fuel stabilizers?

Which limitation of fossil fuels is related to challenges in reserves extraction as they become depleted?

How do antioxidants contribute to fuel system maintenance?

What is a common purpose of using anti-gelling agents in diesel fuel?

How do detergents contribute to engine performance?

What environmental impact is associated with fossil fuels according to the text?

Which statement regarding energy security is supported by the text?

Which type of fuel system allows engines to run on a mixture of gasoline and ethanol?

In which type of injection system is fuel injected directly into the combustion chamber?

Which system uses a simplified form of fuel injection with injectors placed in the throttle body?

Which factor affects the distribution of fuel within the combustion chamber through the nozzle?

Which type of nozzle provides a spray operating at low injection pressures and prevents carbon deposition on the nozzle hole?

What is the function of atomization in the nozzle?

Which type of nozzle has a single hole at the center of its body?

Which type of fuel system mixes air and fuel in a fixed ratio before entering engine cylinders?

What is the advantage of using a Pintle Nozzle in fuel injection systems?

In which type of fuel system are injectors placed at the entrance of the intake manifold in the engine?

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

Which of the following is NOT an alternative/non-conventional fuel source mentioned in the text?

What is a common challenge associated with transitioning away from fossil fuels to sustainable energy sources mentioned in the text?

Which alternative fuel is derived from algae and can be grown using sunlight and carbon dioxide?

What happens during the Suction Stage of a typical fuel feed pump's working process?

Which of the following is a cleaner-burning alternative to diesel mentioned in the text?

What is a notable impact of economic vulnerability in regions heavily dependent on fossil fuels?

What are Battery Electric Vehicles (BEVs) powered by?

What type of mechanism may be used in an impeller-based fuel pump?

What is one of the major challenges associated with developing technologies for cleaner use of fossil fuels?

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