# FSG Quiz Electric Saturday

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• 1.

### Which of these measures is not used to dimension the cockpit internal cross section template?

• A.

50 mm

• B.

350 mm

• C.

7 mm

• D.

75 mm

C. 7 mm
Explanation
The measures given in the question are dimensions used to dimension the cockpit internal cross section template. However, the measure of 7 mm is not used for this purpose.

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• 2.

### What is the minimum tread depth for rain tires?

• A.

2.4mm (3/32 inch).

• B.

1.6mm (2/32 inch)

• C.

0.8mm (1/32 inch)

• D.

3.2mm (4/32 inch)

A. 2.4mm (3/32 inch).
Explanation
The minimum tread depth for rain tires is 2.4mm (3/32 inch). This depth is necessary to ensure proper traction on wet surfaces and prevent hydroplaning. A shallower tread depth would not be able to channel water effectively, leading to reduced grip and increased risk of accidents in rainy conditions. A deeper tread depth may not be necessary and can cause excessive noise and wear on dry roads. Therefore, 2.4mm (3/32 inch) is the optimal minimum tread depth for rain tires.

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• 3.

### Which of the following statements about the firewall is not correct?

• A.

The firewall must be fire resistant according to UL94-V0, FAR25 or equivalent.

• B.

The firewall must be puncture resistant

• C.

The firewall must be grounded, if material is used that is or may become conductive

• D.

The firewall must not contain any parts made of metal

B. The firewall must be puncture resistant
Explanation
The given answer states that the firewall must be puncture resistant. This means that the firewall should be able to withstand any attempts to puncture or penetrate it, ensuring the integrity of the barrier it provides. This requirement is important to prevent any unauthorized access or breach through the firewall, ensuring the security of the system it is protecting.

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• 4.

### A steady DC current is flowing through a coil with an inductance of 248mH. The stored energy in the magnetic field is 431J. By how much does the current have to be increased, if the stored energy should be increased by 300J?

• A.

76.78 A

• B.

76.77 A

• C.

76.79 A

• D.

17.820 A

• E.

9.767 A

A. 76.78 A
Explanation
The stored energy in an inductor is given by the formula E = 0.5 * L * I^2, where E is the energy, L is the inductance, and I is the current. We are given that the initial stored energy is 431J and the inductance is 248mH. Plugging these values into the formula, we can solve for the initial current. Then, we can use the same formula with the new desired stored energy of 731J to solve for the increased current. The difference between the two currents will give us the amount by which the current needs to be increased, which is approximately 76.78 A.

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• 5.

### Which Design Error does this picture illustrate?

• A.

Poor toe compliance

• B.

Rod ends in bending

• C.

Poor load path into the chassis

• D.

Brake caliper is mounted on the wrong side

C. Poor load path into the chassis
Explanation
This picture illustrates the design error of poor load path into the chassis. This means that the structure or components in the picture are not properly transferring the load or forces into the chassis, which can lead to instability or failure of the system.

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• 6.

### According to the raw energy meter data a team has drawn 19.912MJ from the battery and has regenerated 4.736MJ during the Endurance. Which energy consumption will be used for Efficiency Scoring?

• A.

19.912MJ

• B.

4.736MJ

• C.

15.650MJ

• D.

15.176MJ

• E.

15.643MJ

C. 15.650MJ
Explanation
The energy consumption used for Efficiency Scoring will be 15.650MJ. This is calculated by subtracting the regenerated energy (4.736MJ) from the total energy drawn from the battery (19.912MJ). The remaining energy after regeneration is the net energy consumption, which is used to determine the efficiency score.

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• 7.

### Which one is not a positive locking mechanism according to the rules?

• A.

Lock washer

• B.

Safety wire

• C.

Nylon lock nut

• D.

Nylon lock nut

A. Lock washer
Explanation
A lock washer is not a positive locking mechanism according to the rules because it does not provide a reliable and secure means of preventing loosening or rotation of a fastener. While a lock washer can create tension and friction to help prevent loosening, it is not as effective as other options such as safety wire or nylon lock nuts, which are specifically designed to securely lock fasteners in place.

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• 8.

### Which statement regarding maintenance plugs is wrong?

• A.

Maintenance plugs must separate the internal cell segments such that the separated cell segments contain a maximum static voltage of less than 120VDC.

• B.

Maintenance plugs must separate the internal cell segments such that the separated cell segments contain a maximum energy of 12MJ

• C.

Maintenance plugs requiring tools to separate the segments will not be accepted

• D.

Maintenance plugs must include a positive locking feature which prevents the plug from unintentionally becoming loose.

• E.

Maintenance plugs must be made of a material with a specific electrical resistance of less than 300 mOhmMeter

• F.

The function of maintenance plugs may also be fulfilled by additional contactors.

• G.

Maintenance plugs must be used whenever the accumulator containers are opened for maintenance and whenever accumulator segments are removed from the container.

B. Maintenance plugs must separate the internal cell segments such that the separated cell segments contain a maximum energy of 12MJ
Explanation
The statement that is wrong is "Maintenance plugs must separate the internal cell segments such that the separated cell segments contain a maximum energy of 12MJ." This is incorrect because there is no requirement for maintenance plugs to separate cell segments based on energy levels. The other statements are all correct and provide necessary requirements for maintenance plugs, such as voltage limits, tool requirements, positive locking feature, electrical resistance, and usage during maintenance and segment removal.

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• 9.

### All drivers have to wear underwear (long pants and long sleeve t-shirt) certified to

• A.

SFI 3.3 or FIA 8856-2000

• B.

SFI 3.3 or FIA 8586-2000

• C.

SFI 2.2 or FIA 8856-2000

• D.

SFI 33.33 or FIA 8856-2012

A. SFI 3.3 or FIA 8856-2000
Explanation
All drivers are required to wear underwear that has been certified to meet either the SFI 3.3 or FIA 8856-2000 standards. These standards ensure that the underwear provides adequate protection and meets the safety requirements for drivers. Wearing certified underwear helps to minimize the risk of injuries in case of accidents or fire incidents on the race track.

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• 10.

### Endurance Tire changing - what is true?

• A.

If I elect to change to wet tires, I may do so during the driver change

• B.

Wheel Guns' driven from compressed air/gas are prohibited

• C.

If I elect to change to dry tires, the time for changing is not included in my endurance time

• D.

For changing tires, up to four team members(excluding drivers) are allowed to work on the car

A. If I elect to change to wet tires, I may do so during the driver change
Explanation
The correct answer states that if the driver elects to change to wet tires, they may do so during the driver change. This means that the driver can choose to switch to wet tires while they are being replaced by another driver. This implies that the driver change is a convenient time for the tire change, allowing for a seamless transition without wasting additional time.

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• 11.

### Which one is not a standard cost table ?

• A.

Machining Table

• B.

Processes Table

• C.

Tooling Table

• D.

Materials Table

A. Machining Table
Explanation
The machining table is not a standard cost table because it does not provide information on the costs associated with the machining process. A standard cost table typically includes details on the costs of processes, tooling, and materials involved in the production or manufacturing process. However, the machining table specifically focuses on the operations and equipment used for machining, such as cutting, drilling, or shaping materials, rather than providing cost information.

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• 12.

• A.

• B.

• C.

AN/MS

• D.

• 13.

### Which force in rearward direction must the driver's head restraint, its attachment and mounting withstand?

• A.

At least 890 Newton.

• B.

At least 750 Newton.

• C.

At least 510 Newton.

• D.

At least 1280 Newton.

A. At least 890 Newton.
Explanation
The driver's head restraint, its attachment, and mounting must withstand a force of at least 890 Newton in the rearward direction. This force is necessary to provide adequate protection to the driver's head and neck in the event of a rear-end collision or sudden deceleration. A lower force, such as 750 Newton or 510 Newton, would not provide sufficient protection, while a force of 1280 Newton would be excessive and potentially uncomfortable for the driver.

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• 14.

### In steady-state cornering of an understeering car, the lateral acceleration causes the front wheels to slip sideways to a greater extent than the rear wheels. To develop the lateral force at the front wheels to maintain the radius of the turn the driver has to...

• A.

Increase the steering angle

• B.

shift the CoG forward

• C.

Increase the acceleration

• D.

A. Increase the steering angle
Explanation
In steady-state cornering of an understeering car, the front wheels slip sideways more than the rear wheels due to the lateral acceleration. To maintain the radius of the turn, the driver needs to increase the steering angle. By increasing the steering angle, the front wheels can generate more lateral force, allowing the car to maintain the desired turn radius. This helps to compensate for the understeer and keep the car on track during the cornering maneuver.

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• 15.

### Which charging strategy should be used for a Li-Ion accumulator ?

• A.

Pulse Charge

• B.

Delta-T

• C.

Constant Voltage

• D.

CC-CV

• E.

Delta-Peak

D. CC-CV
Explanation
CC-CV charging strategy should be used for a Li-Ion accumulator. This strategy involves two stages of charging - Constant Current (CC) and Constant Voltage (CV). In the CC stage, the battery is charged with a constant current until it reaches a certain voltage limit. Once the voltage limit is reached, the charger switches to the CV stage where the voltage is kept constant while the current gradually decreases. This strategy ensures that the battery is charged efficiently and safely, preventing overcharging and damage to the battery.

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• Current Version
• Mar 16, 2023
Quiz Edited by
ProProfs Editorial Team
• Jan 13, 2017
Quiz Created by
Nicks980

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