DGT B licence questions: Road safety

Page 2 of 2 · Questions 101 to 148 of 148

101. After a cold start, what does a catalytic converter need for effective exhaust-gas treatment?
102. As initial aid for a recent thermal burn in an accident, should you apply ointment on your own?
103. If you notice unusual noises or vibrations in a passenger car or other vehicle covered by a B licence, the prudent action is to:
104. Under the legal definition, what characterises a two-wheel motorcycle without a sidecar?
105. A motor vehicle other than a motorcycle is 5 metres long and 1.80 metres wide. Under the Vehicle Regulations, how is installation of a…
106. What positive effects does the vehicle’s Start-stop system have?
107. If you suffer a blowout while travelling on a road at high speed, is it advisable to press the brake pedal sharply?
108. Which resistance is caused by the car’s movement relative to the air?
109. You must fit chains to a rear-wheel-drive car whose front wheels steer. The manual permits fitting the pair of chains to the driven axle.…
110. Which two common types of internal combustion engine differ in how the fuel is ignited?
111. For effective braking with the service brake, what should you check besides the brakes themselves?
112. Does the condition of the tyres affect braking?
113. May a vehicle being driven at night have non-regulatory lights?
114. What factors does stopping distance depend on?
115. How should preventive maintenance be carried out?
116. Must a car travelling between sunset and sunrise have its registration plates illuminated?
117. What effect can a severely clogged engine air filter have?
118. In a manual car, when conditions allow without straining the engine or losing response, what helps save fuel?
119. What is the function of the ignition circuit in the electrical system of a vehicle with a petrol engine?
120. In a modern fuel-injected car, unless the manufacturer specifies otherwise, should you start without pressing the accelerator?
121. What precautions, among others, must you take when refuelling the vehicle?
122. As a general rule, above what width must a lorry be fitted with end-outline marker lights?
123. Under the General Vehicle Regulations, does a motorcycle belong to the Spanish legal category “automóvil”?
124. When stopping or parking a motor vehicle and leaving the driving position to unload goods, you must...
125. The rear fog light may only be used when...
126. To save fuel, it is advisable to...
127. When starting to ride a moped, what factor can increase crash risk?
128. To avoid an accident in the event of heavy braking, must you adapt your speed and safety distance from the vehicle in front when driving a…
129. When parking a car and leaving the driving position in sub-zero temperatures, what must you do about the parking brake?
130. In a car with a combustion engine and manual transmission, what can contribute to reducing speed?
131. A series of steady or flashing yellow lights forms a barrier device. What does it indicate?
132. Must a two-wheeled motorcycle have a reversing light?
133. In a car, braking distance is measured from the moment when…
134. Can leaving a mobile phone switched on while driving be dangerous?
135. Can distraction cause crashes among both younger and older drivers?
136. Which of these shapes is a prescribed indication on a square lane-control signal?
137. Is it advisable to keep your passenger car travelling for a prolonged time alongside and very close to a motorcycle on a road?
138. A black arrow is displayed on a traffic light’s steady red light itself. Does this change the meaning of the red light?
139. What is the function of the catalytic converter in the exhaust system?
140. Which part of the car transfers the engine's power to the wheels?
141. In a manual car, when descending slowly through icy patches while safe travel is still possible, how should you control the descent?
142. On a road section through a built-up area, may you keep main beams on to illuminate the road during ordinary night-time driving?
143. In a combustion-engine car starting with a cold engine, on which journey does the warm-up phase have a greater effect on average fuel…
144. In a manual-transmission car on a long descent, is using engine braking advisable?
145. When preparing for a category B practical test in a car, which safety device must the applicant use correctly before moving off?
146. Which assistance device reduces the effort a driver needs to apply to the brake pedal?
147. May a vehicle being driven at night have non-regulation lights?
148. From 1 January 2026, a car registered in Spain is immobilised on a Spanish interurban road and must give a hazard warning. Which prescribed…