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Rules of the road · part 23 of 45

K53 rules of the road questions and answers (part 23)

15 practice questions for the South African K53 learner's licence test. Try each one first, then open the answer to see why it is correct.

331 Your wiper blade smears and leaves the area in front of you unclear in the rain. What is the problem?

  1. Nothing, one wiper may smear
  2. It is only a problem at night
  3. It does not wipe evenly and adequately as required
Show the answer

Answer C: It does not wipe evenly and adequately as required

Wipers must clear the driver's area of the windscreen evenly and adequately.

Memory tip: Smears fail the adequate test.

Light vehicle (code 2) · Heavy vehicle (code 3)

332 A car has a windscreen but no wipers. May it be used on a public road?

  1. No, it must have at least one wiper
  2. Yes, in dry weather
  3. Yes, if it is a heavy motor vehicle
Show the answer

Answer A: No, it must have at least one wiper

Wipers are required on light and heavy motor vehicles with a windscreen.

Memory tip: Windscreen needs a wiper.

Light vehicle (code 2) · Heavy vehicle (code 3)

333 What must a motor vehicle be equipped with regarding its exhaust?

  1. An efficient exhaust silencer
  2. A short tail pipe only
  3. A loud exhaust
Show the answer

Answer A: An efficient exhaust silencer

The vehicle must have an efficient exhaust silencer and the engine gas must pass through it.

Memory tip: Silencer: fit and use.

All vehicle codes

334 The exhaust gas from the engine must be what?

  1. Released directly under the car
  2. Vented into the cab
  3. Projected through the silencer
Show the answer

Answer C: Projected through the silencer

Exhaust gas must flow through the silencer.

Memory tip: Gas goes via the silencer.

All vehicle codes

335 A vehicle's exhaust smoke is so dense that it obstructs the view of other road users. What does the manual say?

  1. It may be used if the driver is careful
  2. It may not be used on a public road
  3. It may be used in daylight
Show the answer

Answer B: It may not be used on a public road

A vehicle emitting smoke dense enough to be a nuisance or obstruct vision may not be used.

Memory tip: Thick smoke means no road.

All vehicle codes

336 A leaking exhaust lets fumes into the passenger compartment. Is the vehicle fit for the road?

  1. Yes, if the windows are open
  2. No, exhaust gas may not leak into the cab or passenger compartment
  3. Yes, for short trips
Show the answer

Answer B: No, exhaust gas may not leak into the cab or passenger compartment

The exhaust must be maintained so gas does not leak into the cab or passenger compartment.

Memory tip: Fumes stay outside the cabin.

All vehicle codes

337 Where must the exhaust pipe or silencer NOT be positioned?

  1. Below the vehicle
  2. Behind the rear axle
  3. Where oil or other flammable liquid can drip onto it
Show the answer

Answer C: Where oil or other flammable liquid can drip onto it

An exhaust in a position where oil or flammable liquid could drip or fall onto it is not allowed.

Memory tip: No drips on a hot pipe.

All vehicle codes

338 A vehicle has no exhaust silencer fitted. May it be used on a public road?

  1. Yes, if it is a motorcycle
  2. No, it must have an efficient exhaust silencer
  3. Yes, outside urban areas
Show the answer

Answer B: No, it must have an efficient exhaust silencer

No motor vehicle may be used without an efficient silencer.

Memory tip: No silencer, no public road.

All vehicle codes

339 Which of these exhaust conditions is allowed?

  1. An efficient silencer through which all engine gas passes
  2. Fumes leaking into the cab
  3. A silencer in poor working order
Show the answer

Answer A: An efficient silencer through which all engine gas passes

The vehicle must have an efficient, working silencer through which gas is projected.

Memory tip: Efficient silencer is the only OK.

All vehicle codes

340 Under what condition may a motor vehicle NOT be used on a public road regarding its fuel tank?

  1. If the tank is half full
  2. If the tank is made of plastic
  3. If the fuel tank is defective or exposed so that it is a source of danger
Show the answer

Answer C: If the fuel tank is defective or exposed so that it is a source of danger

A defective or dangerously exposed fuel tank, carburettor, receptacle or pipe makes use illegal.

Memory tip: Dangerous tank means parked car.

All vehicle codes

341 What must a fuel tank be fitted with?

  1. An effective cap
  2. A second tank
  3. A flame guard
Show the answer

Answer A: An effective cap

The fuel tank must be fitted with an effective cap.

Memory tip: Tank needs a cap that works.

All vehicle codes

342 You notice your vehicle's fuel cap is missing. May you use the vehicle on a public road?

  1. No, the fuel tank must have an effective cap
  2. Yes, in daylight only
  3. Yes, if the tank is nearly empty
Show the answer

Answer A: No, the fuel tank must have an effective cap

A vehicle with no effective cap on the tank may not be used.

Memory tip: No cap, no driving.

All vehicle codes

343 What must be true of the electrical wiring and battery of a motor vehicle?

  1. Replaced every six months
  2. Visible and exposed for checking
  3. Properly installed, insulated and maintained, so they are not a source of danger
Show the answer

Answer C: Properly installed, insulated and maintained, so they are not a source of danger

Wiring and battery must be installed, insulated and maintained safely.

Memory tip: Wired, insulated, safe.

All vehicle codes

344 A vehicle's electrical wires are frayed with bare cable showing. What does the manual say?

  1. It may not be used on a public road
  2. It may be used at night only
  3. It may be used if the battery is new
Show the answer

Answer A: It may not be used on a public road

Wiring must be properly insulated so that it is not a source of danger.

Memory tip: Bare wire means no road.

All vehicle codes

345 Which parts are covered by the rule against fuel system danger?

  1. Fuel tank, carburettor, fuel receptacle and fuel pipes
  2. Lights and indicators only
  3. Tyres, rims and mirrors
Show the answer

Answer A: Fuel tank, carburettor, fuel receptacle and fuel pipes

The rule covers the fuel tank, carburettor, fuel receptacle and fuel pipes.

Memory tip: Tank, carb, receptacle, pipes.

All vehicle codes

These are original practice questions, not official test questions. Always confirm requirements with your driving licence testing centre.