Automotive Engineering Quiz

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Questions and Answers

Which of the following components is NOT directly involved in the cooling of the engine?

  • Radiator
  • Water pump
  • Thermostat
  • Carburetor (correct)

What does MPFI stand for in automotive engineering?

  • Manual Petrol Fuel Injection
  • Modern Power Fuel Injection
  • Micro-Pulse Fuel Injection
  • Multi-Point Fuel Injection (correct)

What is the primary function of a differential in a vehicle?

  • Distributes power to the wheels (correct)
  • Controls the steering
  • Regulates engine temperature
  • Adjusts suspension stiffness

How many times does the piston move up and down during one complete cycle in a four-stroke engine?

<p>Four times (B)</p> Signup and view all the answers

What safety feature is commonly found in modern vehicles to prevent skidding during braking?

<p>Anti-lock Braking System (ABS) (A)</p> Signup and view all the answers

Which type of transmission allows for seamless gear shifts without interruption of power flow?

<p>Continuously Variable Transmission (CVT) (D)</p> Signup and view all the answers

What device measures the speed of rotation of the engine crankshaft?

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

What type of engine is commonly used in hybrid vehicles for generating electricity?

<p>Internal Combustion Engine (ICE) (C)</p> Signup and view all the answers

What does the acronym 'OBD' stand for in automotive diagnostics?

<p>On-Board Diagnostics (A)</p> Signup and view all the answers

What is the term for the process of converting chemical energy stored in fuel into mechanical energy?

<p>Combustion (B)</p> Signup and view all the answers

Flashcards

Carburetor’s Role

Supplies air and fuel mixture; not directly for cooling.

MPFI Meaning

System that injects fuel at multiple points near the engine's intake valves.

Differential Function

To distribute torque to the wheels, allowing them to rotate at different speeds.

Piston Movement in 4-Stroke Engine

The piston moves up and down twice per revolution, totaling four times in a four-stroke engine cycle (intake, compression, combustion, exhaust).

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ABS Purpose

A system that prevents wheel lock-up during braking, maintaining steering control and preventing skidding.

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CVT Advantage

A transmission type that provides seamless gear ratio changes, maintaining constant power flow.

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Tachometer measures...

An instrument that measures the engine's rotational speed in revolutions per minute (RPM).

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ICE in Hybrids

Internal Combustion Engines convert chemical energy into mechanical energy.

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OBD Meaning

A vehicle's self-diagnostic and reporting capability, providing access to various engine and vehicle health data.

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Combustion Defined

A chemical process that rapidly oxidizes a fuel to produce heat and light.

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Study Notes

Engine Cooling System and Components

  • The carburetor is not a component of the engine cooling system.
  • Components of the engine cooling system include the radiator, thermostat, and water pump.

Engine Technology and Terminology

  • MPFI stands for Multi-Point Fuel Injection.
  • A tachometer is a device used to measure the speed of rotation of the engine crankshaft.
  • OBD stands for On-Board Diagnostics.
  • Combustion is the process of converting chemical energy stored in fuel into mechanical energy.

Transmission and Power Distribution

  • A differential is a component that distributes power to the wheels in a vehicle.
  • Continuously Variable Transmission (CVT) allows for seamless gear shifts without interruption of power flow.

Safety Features

  • Anti-lock Braking System (ABS) is a safety feature that prevents skidding during braking.

Engine Cycle and Piston Movement

  • In a four-stroke engine, the piston moves up and down four times during one complete cycle.

Hybrid Vehicles

  • Internal Combustion Engine (ICE) is commonly used in hybrid vehicles for generating electricity.

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