Austria BKF D95 Practice Questions - Austria Berufskraftfahrer Grundqualifikation D95 Bus (Bus Driver Initial Qualification) Exam - Austria BKF D95 Practice Questions - Austria Berufskraftfahrer Grundqualifikation D95 Bus (Bus Driver Initial Qualification) Exam

Question 1

What is the primary physical cause of passenger discomfort known as 'jerk' (Ruck) during bus acceleration or braking?

The rapid rate of change of acceleration over time (da/dt), which prevents passengers from adjusting their balance muscularly A constant high velocity maintained along straight highway sections The steady, linear deceleration produced by an aerodynamically shaped bus body The continuous baseline rolling resistance generated by dual rear tires

Correct Answer:

The rapid rate of change of acceleration over time (da/dt), which prevents passengers from adjusting their balance muscularly

Question 2

Which braking technique must a bus driver apply to prevent the harsh rebound jerk (Ausfedern) of the vehicle chassis just before coming to a complete stop?

Maintaining maximum brake pedal pressure continuously until the vehicle completely stops rolling Applying degressive braking by progressively releasing brake pedal pressure just before vehicle standstill Engaging the parking handbrake at 10 km/h to assist the service brakes Switching the retarder to its highest stage immediately before stopping

Correct Answer:

Applying degressive braking by progressively releasing brake pedal pressure just before vehicle standstill

Question 3

Why is the use of high-stage manual retarder braking dangerous when operating a bus on wet, slippery, or snow-covered roads?

The retarder applies braking torque exclusively to the front steering axle, causing loss of directional control The retarder acts solely on the drive axle and can induce drive-wheel slip or jackknifing without illuminating the brake lights The retarder overheats the service brake drums and disables the pneumatic air compressor The retarder rapidly drains the vehicle 24V auxiliary battery bank

Correct Answer:

The retarder acts solely on the drive axle and can induce drive-wheel slip or jackknifing without illuminating the brake lights

Question 4

How does a hydrodynamic retarder (e.g., Voith retarder) dissipate kinetic energy during continuous downhill descent in an Austrian Alpine pass?

By compressing intake air inside the engine cylinders via variable valve timing By circulating oil between a rotating rotor and a stationary stator, converting kinetic energy into heat absorbed by the engine cooling circuit By creating eddy currents in copper-lined steel discs cooled exclusively by ambient ram air By generating electricity that is stored in auxiliary high-voltage capacitor banks

Correct Answer:

By circulating oil between a rotating rotor and a stationary stator, converting kinetic energy into heat absorbed by the engine cooling circuit

Question 5

What is the primary function of the Electronic Controlled Air Suspension (ECAS) 'kneeling' (Absenkung) feature on low-floor urban and intercity buses?

To increase ground clearance when driving over railway crossings and speed bumps To lower the entrance side of the bus body by several centimeters to facilitate boarding for elderly passengers and PRMs To deflate the front axle bellows completely during high-speed motorway cruising to reduce drag To tilt the bus body away from the curb to prevent luggage scratching the exterior panels

Correct Answer:

To lower the entrance side of the bus body by several centimeters to facilitate boarding for elderly passengers and PRMs

Question 1

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Prepare with the Austria BKF D95 Practice Questions - Austria Berufskraftfahrer Grundqualifikation D95 Bus (Bus Driver Initial Qualification) Exam practice quiz. This question bank includes 100 questions covering driver, coach, passenger, austrian, and touring. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Austria BKF D95 Practice Questions - Austria Berufskraftfahrer Grundqualifikation D95 Bus (Bus Driver Initial Qualification) Exam

This practice set contains 100 questions from the matching question bank and focuses on driver, coach, passenger, austrian, and touring. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Austria BKF D95 Practice Questions - Austria Berufskraftfahrer Grundqualifikation D95 Bus (Bus Driver Initial Qualification) Exam

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