Meisterprüfung Kraftfahrzeugtechnik Practice Questions - Meisterprüfung Kraftfahrzeugtechnik (Austria) Exam - Meisterprüfung Kraftfahrzeugtechnik Practice Questions - Meisterprüfung Kraftfahrzeugtechnik (Austria) Exam

Question 1

A four-cylinder four-stroke diesel engine has a cylinder bore of 82.0 mm and a piston stroke of 93.5 mm. What is the total swept engine displacement (Hubraum)?

1,975 cm³ (approx. 2.0 liters) 1,642 cm³ (approx. 1.6 liters) 2,468 cm³ (approx. 2.5 liters) 1,480 cm³ (approx. 1.5 liters)

Correct Answer:

1,975 cm³ (approx. 2.0 liters)

Question 2

A gasoline engine has an individual cylinder swept volume (Hubvolumen) V_h = 475 cm³ and a compression chamber volume (Kompressionsvolumen) V_c = 47.5 cm³. What is the geometric compression ratio (Verdichtungsverhältnis epsilon)?

11.0 : 1 10.0 : 1 12.5 : 1 9.0 : 1

Correct Answer:

11.0 : 1

Question 3

In a Common Rail diesel injection system, what is the primary operational advantage of piezo-actuated fuel injectors compared to traditional solenoid-valve (electromagnetic) injectors?

Piezo actuators expand in microseconds, enabling significantly faster needle response times and up to 5–8 distinct injection events per combustion cycle. Piezo injectors require zero electrical current during actuation because they generate their own operating voltage via hydraulic resonance. Piezo injectors eliminate the need for a fuel return rail because 100% of the supplied high-pressure fuel is injected into the combustion chamber. Piezo actuators allow direct mechanical coupling to the camshaft, eliminating electronic engine control unit (ECU) timing control.

Correct Answer:

Piezo actuators expand in microseconds, enabling significantly faster needle response times and up to 5–8 distinct injection events per combustion cycle.

Question 4

What is the primary function of a variable turbine geometry (VTG / VGT) system in a modern diesel turbocharger?

Adjusting adjustable guide vanes in the turbine housing to optimize exhaust gas velocity against the turbine wheel across the entire engine RPM band. Varying the diameter of the compressor impeller using centrifugal clutch weights to prevent compressor surge. Bypassing the intercooler at high engine loads to prevent charge air condensation in the intake manifold. Electrically heating the turbine housing during cold starts to accelerate catalytic converter light-off.

Correct Answer:

Adjusting adjustable guide vanes in the turbine housing to optimize exhaust gas velocity against the turbine wheel across the entire engine RPM band.

Question 5

A dual-clutch transmission (Doppelkupplungsgetriebe / DSG) contains two sub-transmissions (Teilgetriebe). How are the gear ratios typically distributed between the two input shafts?

Sub-transmission 1 houses odd gears (1, 3, 5, 7) and reverse, while sub-transmission 2 houses even gears (2, 4, 6). Sub-transmission 1 houses forward gears 1 through 3, while sub-transmission 2 houses forward gears 4 through 7. Sub-transmission 1 drives the front axle, while sub-transmission 2 drives the rear axle. Sub-transmission 1 handles deceleration engine braking, while sub-transmission 2 handles positive acceleration torque.

Correct Answer:

Sub-transmission 1 houses odd gears (1, 3, 5, 7) and reverse, while sub-transmission 2 houses even gears (2, 4, 6).

Question 1

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Prepare with the Meisterprüfung Kraftfahrzeugtechnik Practice Questions - Meisterprüfung Kraftfahrzeugtechnik (Austria) Exam practice quiz. This question bank includes 100 questions covering engine, vehicle, primary, sensor, and function. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Meisterprüfung Kraftfahrzeugtechnik Practice Questions - Meisterprüfung Kraftfahrzeugtechnik (Austria) Exam

This practice set contains 100 questions from the matching question bank and focuses on engine, vehicle, primary, sensor, and function. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

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Meisterprüfung Kraftfahrzeugtechnik Practice Questions - Meisterprüfung Kraftfahrzeugtechnik (Austria) Exam

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