Vehicle Safety Specifications Quiz

Questions and Answers

What is the minimum height that the push rod must lift the vehicle above the ground level?

50 mm

100 mm (correct)

200 mm

150 mm

What type of brake over-travel switch must be used in the system?

Single point, double throw

Programmable logic controller type

Double point, single throw

Single point, single throw (correct)

What material is prohibited for use in the construction of the main roll hoop?

Titanium alloys (correct)

Steel tubing

Aluminium alloys (correct)

Composite material (correct)

What is the minimum height for the center of the brake light from the ground?

13.7 inches Signup and view all the answers

What is the required distance between the tip of the roll hoop and the tip of the helmet in the professional class?

6 inches Signup and view all the answers

Which of the following is NOT a requirement for the front roll hoop in the adventure class?

Must be made from a single piece of metal tubing Signup and view all the answers

Which of the following statements about the brake light is incorrect?

The length of the brake light must be less than 5 inches. Signup and view all the answers

How much travel must the suspension have at a minimum?

4 inches Signup and view all the answers

What should the side view angle of the main roll hoop be within?

10 degrees of the vertical Signup and view all the answers

What is the maximum allowable distance from the steering wheel to the front hoop in the adventure class?

250 mm Signup and view all the answers

Which fastening method is required for secure suspension components?

Lock nut or safety wire Signup and view all the answers

What characteristic must the brake light have for visibility?

Must be visible from the rear in bright sunlight Signup and view all the answers

When measuring the distance from the helmet to the roll hoop, how should the driver be positioned?

At rest Signup and view all the answers

What is the maximum amount of jounce and rebound travel allowed for the suspension?

2 inches each Signup and view all the answers

What must be attached to the push/pull bar?

A fire extinguisher mount Signup and view all the answers

What is not required of the brake over-travel switch in terms of power restoration?

It must be manually reset. Signup and view all the answers

What types of drive trains are permitted for the vehicle?

All wheel/2 Wheel hub motor Signup and view all the answers

What is the minimum thickness for a scatter shield made of fibre sheet?

2mm Signup and view all the answers

Where should the accelerator pedal return after being released?

To its original, rearward position Signup and view all the answers

What type of kill switch is permitted in the vehicle?

Push-Twist Button kill switch Signup and view all the answers

How many kill switches must be present in the vehicle?

3 Signup and view all the answers

What sound level must the audible warning device (horn) emit?

105 dB Signup and view all the answers

How should the kill switch be mounted?

On the bodywork, insulated and rigidly mounted Signup and view all the answers

What is required regarding the labeling of buttons in the vehicle?

Buttons should be labeled according to their function Signup and view all the answers

Which type of shoes are permitted for use during the event?

Fire resistant shoes certified to SFI 3.3/ FIA 8856-2000 Signup and view all the answers

What materials are acceptable for fire-resistant socks?

Carbon X, Indura, Nomex, PBI, and Proban Signup and view all the answers

What is a prohibited type of garment during the event?

Synthetic nylon undergarments Signup and view all the answers

Which of the following statements is true regarding expired equipment?

Teams must use equipment with expiry dates beyond the event. Signup and view all the answers

What requirements must fire resistant gloves meet?

They cannot be torn and must be SFI rated. Signup and view all the answers

What is essential for electrical wiring in a vehicle?

Only automotive grade wiring connectors should be used. Signup and view all the answers

Which of the following is a requirement for driver's safety gear?

Using a fire-resistant one-piece suit. Signup and view all the answers

What is required for the driver to participate in the event?

A valid government issued driving license must be present. Signup and view all the answers

What is the minimum requirement for underclothing worn by drivers?

Fire-resistant underclothing of SFI 3.2A/5 or higher is mandatory. Signup and view all the answers

What must be checked before purchasing a driver's suit?

Suit's safety rating and manufacturing dates. Signup and view all the answers

What is prohibited in terms of wire joint covering?

Covering wire joints with tape. Signup and view all the answers

Which statement about accidental insurance for drivers is correct?

Insured drivers must produce a hard copy of the insurance papers. Signup and view all the answers

What should NOT be worn by drivers during dynamic conditions?

Damaged suits or those with minor cuts. Signup and view all the answers

Study Notes

Push Rod Specifications

Push rod must function for both pushing and pulling the vehicle.
Should include a single rod design for both operations.
As a jack bar, it must lift the vehicle at least 100 mm from the ground.
Must have a mount for a fire extinguisher.

Roll Hoops Safety Structure

Main Roll Hoop

A roll hoop is mandatory to separate the driver's compartment from the vehicle's rear.
Must be made of a single continuous piece of closed section steel tubing.
Aluminum, titanium, or composite materials require a proper analysis report.
The main hoop needs to extend from the lowest frame member on one side, over the driver, to the lowest frame member on the opposite side.
In side view, the hoop above attachment must be within 10° of vertical.
The tip of the roll hoop should be at least 6 inches away from the driver's helmet when the driver is at rest.

Front Roll Hoop

Constructed from closed section metal tubing.
Similar extending requirement as the main roll hoop.
Can be made from multiple pieces if properly gusseted or triangulated.
Must be no lower than the top of the steering wheel, regardless of its position.
Should not extend more than 250 mm forward of the steering wheel, measured horizontally.

Brake System Regulations

Brake Over-Travel Switch

A brake pedal over-travel switch is required as part of the shutdown system.
Must be wired in series with the shutdown buttons.
If the brake system fails and the pedal over-travels, the system shuts down.
The switch must be a single point, single throw type, and cannot be reset by the driver.

Brake Light Requirements

Red brake lights must be at least 5 inches long and 3 inches wide.
Must be visible from the rear in bright sunlight and remain functional even when the vehicle is off.
Brake lights should glow continuously when brakes are applied.

Brake Light Positioning

The center height of the brake light must be a minimum of 13.7 inches from the ground.

Suspension Standards

Full suspension systems with shock absorbers are mandatory for all wheels.
Visible suspension mounting points must be available for inspection.
Wishbone/A-Arm must be seamless tubing.
Suspension system requires a minimum travel of 4 inches (2 inches jounce and 2 inches rebound).

Electrical and Drive Train Requirements

Direct drive or motors with 2/4 speed gearboxes are permitted.
High-speed final drive components must have scatter shields.
An electrical accelerator pedal with positive and negative stops is required.
Three easily reachable push-twist kill switches must be installed, with strict mounting regulations.
Proper fusing for the tractive system and audible warning devices (105 dB) are also necessary.

Driver’s Requirements

Documentation and Insurance

Minimum of two drivers required, each with a valid government-issued driving license.
Individual accidental insurance coverage must be provided by both drivers.

Driver’s Safety Equipment

Fire-resistant one-piece suits are mandatory, meeting specific safety standards.
Use of approved fire-resistant underclothing, shoes, and socks is required.
Synthetic materials that melt when exposed to heat are prohibited for undergarments.

Equipment Validity

Teams must ensure all driver safety equipment is current, with clear manufacturing dates visible.
Damaged or expired equipment is not allowed.

Final Notes

Proper labeling of all buttons is essential.
Wiring and harnesses must not obstruct the driver's movement and should be covered adequately.

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Description

Test your knowledge on the safety specifications for push rods and roll hoops in vehicles. This quiz covers essential design requirements for both components to ensure safety during operation. Challenge yourself to see how well you understand these crucial aspects of vehicle safety.