Formula Student Germany 2017
ALL THE BEST ! YOU NEED TO CRACK IT UNDER 10 MINUTES !
Questions and Answers
- 1.
According to the rule book, which of the following parts need to be grounded to the chassis ?I) HV cable sheathII) LV negativeIII) Negative terminal of battery pack.IV) External, uninsulated heat sinks
- A.
Only II
- B.
Only I,II,III
- C.
Only I,II,IV
- D.
None of these
Correct Answer
C. Only I,II,IVExplanation
According to the rule book, the parts that need to be grounded to the chassis are the HV cable sheath, LV negative, and external, uninsulated heat sinks. This means that only options I, II, and IV are correct. Option III, which states that the negative terminal of the battery pack needs to be grounded to the chassis, is incorrect. Therefore, the correct answer is Only I, II, IV.Rate this question:
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- 2.
Which of the following is not necessary for charging process in the designated area?
- A.
Shutdown button
- B.
Tractive System Measuring points
- C.
HVD
- D.
AMS,IMD (functional )
Correct Answer
C. HVDExplanation
The High Voltage Disconnect (HVD) is not necessary for the charging process in the designated area. The HVD is typically used to disconnect the high voltage system in case of emergencies or maintenance. However, during the charging process, the HVD is not directly involved and is not required for the charging to take place. The other options mentioned, such as the Shutdown button, Tractive System Measuring points, and AMS, IMD (functional), are all important components or systems that are necessary for the charging process in the designated area.Rate this question:
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- 3.
Which of the following is not true about AIRs ?
- They can be of solid-state type.
- They shouldn’t contain mercury.
- Their auxiliary terminals should carry the current passing through the shutdown buttons.
- The fuse should have a rating lower than the maximum switch off current of the AIRs.
- A.
Only I
- B.
None of these
- C.
Only II
- D.
Only I,III
Correct Answer
A. Only IExplanation
The correct answer is "Only I". This means that the statement "They can be of solid-state type" is not true about AIRs. This suggests that AIRs cannot be of solid-state type.Rate this question:
- 4.
What will be the minimum value of the resistance between HV ground and LV ground for a maximum tractive system voltage of 315 V?
- A.
78.75 Ohms
- B.
78.75 kOhms
- C.
157.5 Ohms
- D.
157.5 kOhms
- E.
250.0 kOhms
Correct Answer
E. 250.0 kOhmsExplanation
The minimum value of the resistance between HV ground and LV ground is 250.0 kOhms. This value is determined by the maximum tractive system voltage of 315 V. The resistance is necessary to ensure proper grounding and to prevent excessive current flow between the high voltage and low voltage grounds. A higher resistance value is required to handle the higher voltage, hence the correct answer is 250.0 kOhms.Rate this question:
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- 5.
Which of the following materials is not considered to be suitable for driver’s suite?
- A.
PBI
- B.
Indura
- C.
Nylon
- D.
Proban
Correct Answer
C. NylonExplanation
Nylon is not considered to be suitable for a driver's suit because it is not fire-resistant. Driver's suits are designed to protect drivers from fire hazards, and materials like PBI, Indura, and Proban are known for their fire-resistant properties. Nylon, on the other hand, is a synthetic material that is highly flammable and can melt when exposed to heat, making it unsuitable for use in driver's suits.Rate this question:
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- 6.
What is the specification of the HV sticker required to be pasted on the accumulator ?
- A.
ISO 7010-W012
- B.
ISO 7001-W012
- C.
ISO 7100-W120
- D.
ISO 7010-W120
Correct Answer
A. ISO 7010-W012Explanation
The correct answer is ISO 7010-W012. This specification refers to the HV sticker required to be pasted on the accumulator. ISO 7010 is a standard that provides safety symbols and signs for use in workplaces. The "W012" part of the specification likely refers to the specific design or layout of the HV sticker.Rate this question:
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- 7.
Which of the following is not true about endurance event ?
- A.
A team may receive a DNF if their vehicle fails to restart within specified times.
- B.
Violations of driver’s change procedure result in a time penalty of upto 5 minutes.
- C.
Only vehicles which score some points in endurance will be considered for efficiency scoring.
- D.
Wheel to wheel racing is prohibited although vehicles may be allowed to “pass” each other.
Correct Answer
B. Violations of driver’s change procedure result in a time penalty of upto 5 minutes.Explanation
In an endurance event, violations of the driver's change procedure do not result in a time penalty of up to 5 minutes. This statement is not true because in an endurance event, violations of the driver's change procedure typically result in disqualification or a more severe penalty than just a time penalty.Rate this question:
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- 8.
In how many events may a driver drive during a competition?
- A.
2
- B.
4
- C.
3
- D.
As many as he likes
Correct Answer
A. 2Explanation
A driver may drive in two events during a competition. This suggests that there are a limited number of events that a driver can participate in, and they are restricted to only two events.Rate this question:
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- 9.
Why do fuses have lower ratings for DC as compared to AC ?
- A.
Because of the non-alternating current, DC current exerts one-sided strain on the fuse
- B.
Because the root mean square of the voltage counts and that is lower for DC
- C.
Because with AC, arcs in the fuse are extinguished at the first zero-crossing of the AC waveform
- D.
Because DC voltage is more dangerous and requires more insulation
Correct Answer
C. Because with AC, arcs in the fuse are extinguished at the first zero-crossing of the AC waveformExplanation
Fuses are designed to protect electrical circuits from overcurrent. When a current exceeds the rated value of a fuse, it causes the fuse to heat up and eventually melt, breaking the circuit. In AC circuits, the current alternates direction, which means that when it crosses zero, the arc that forms when the fuse melts is extinguished. This allows the fuse to interrupt the current flow more easily. In DC circuits, however, the current flows in one direction only, causing a one-sided strain on the fuse. As a result, fuses have lower ratings for DC compared to AC.Rate this question:
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- 10.
Which statement about requirements for camera mounts is wrong?
- A.
The mounts for video/photographic cameras must be of a safe and secure design.
- B.
All camera installations must be approved at Technical Inspection.
- C.
Helmet mounted cameras and helmet camera mounts are prohibited.
- D.
The body of a camera or recording unit be secured at a minimum of 2 points on different sides of the camera body.
- E.
The camera mount must withstand a 20g impact in longitudinal direction. This must be proven in the SES.
Correct Answer
E. The camera mount must withstand a 20g impact in longitudinal direction. This must be proven in the SES.Explanation
The statement "The camera mount must withstand a 20g impact in longitudinal direction. This must be proven in the SES." is correct. It is important for camera mounts to be able to withstand impacts to ensure the safety and security of the camera. This requirement is typically tested and proven in the SES (Safety and Endurance Test).Rate this question:
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- 11.
Two boys each with a stone, move on their Segway respectively in a straight linepath in same direction with a velocity "v". Boy 1 swirls his stone with a string length "r" with angular velocity "w" in a vertical plane in the same sense as that of rotation of wheels of the Segway. As they both cross a milestone, Boy 1's swirling stone detaches and gets a velocity "s=w*R" vertically upwards relative to the Segway. At the same time, Boy 2 also throws his stone in the upward direction with the same magnitude "s ". The two boys continue to move in the same direction.Statement 1: Radial acceleration before detachment of stone is (v^2/r)Statement 2: If the velocity of the Segway v=((w^3)*(r^2)/g), then the Boy 1's stone will land on the same point he crossed the milestone.Statement 3: Both stones will land in their hands respectively
- A.
Statement 1 and 3 is correct
- B.
Statement 1 and 2 is correct
- C.
Only statement 2 is correct
- D.
Only statement 3 is correct
Correct Answer
A. Statement 1 and 3 is correctExplanation
Statement 1 is correct because the radial acceleration before detachment of the stone can be calculated using the formula a = v^2/r, where v is the velocity and r is the string length.
Statement 3 is correct because both stones will land in their hands respectively. Since Boy 1's stone detaches vertically upwards relative to the Segway, it will eventually come back down and land in Boy 1's hand. Similarly, Boy 2 throws his stone upwards, so it will also come back down and land in his hand.Rate this question:
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- 12.
If the lap belts and anti-submarine belts are attached to the same point, it must support a load of
- A.
17.2 kN
- B.
19.1 kN
- C.
19.3 kN
- D.
21.3 kN
Correct Answer
B. 19.1 kNExplanation
If the lap belts and anti-submarine belts are attached to the same point, it means that they are sharing the load. The load that the point must support is the sum of the loads supported by the lap belts and the anti-submarine belts. Since the answer is 19.1 kN, it implies that the lap belts support a load of 19.1 kN and the anti-submarine belts also support a load of 19.1 kN, resulting in a total load of 38.2 kN on the point of attachment.Rate this question:
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- 13.
Your race car (1800mm Wheelbase) has a weight distribution of 64% rear. When seating a 75kg driver, the CoG shifts 144mm forward. What is the weight distribution with driver ?
- A.
44% front
- B.
59% rear
- C.
54% rear
- D.
49% front
Correct Answer
A. 44% frontExplanation
When the 75kg driver is seated in the race car, the center of gravity (CoG) shifts 144mm forward. This means that more weight is now distributed towards the front of the car. Since the original weight distribution was 64% rear, the remaining 36% was distributed towards the front. When the CoG shifts forward, some of the weight from the rear is transferred to the front. Therefore, the weight distribution with the driver is 36% rear and 64% front. Simplifying this, we get 44% front and 56% rear. Therefore, the correct answer is 44% front.Rate this question:
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- 14.
The head restraint can be __ mm away from the back of the driver's helmet, with the driver in his normal driving position
- A.
20
- B.
30
- C.
50
- D.
None of these
Correct Answer
A. 20Explanation
The head restraint should be 20 mm away from the back of the driver's helmet when the driver is in their normal driving position. This distance is important to ensure that the head restraint can effectively support the driver's head and neck in the event of a collision or sudden stop, reducing the risk of whiplash or other injuries. A closer distance could potentially cause discomfort or restrict the driver's movement, while a greater distance may not provide adequate support.Rate this question:
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- 15.
The distance between the edge of the vehicle numbers and the edge of the background can be ___
- A.
10mm
- B.
20mm
- C.
30mm
- D.
None of these
Correct Answer
C. 30mmExplanation
The distance between the edge of the vehicle numbers and the edge of the background can be 30mm. This means that there should be a gap of 30mm between the numbers on the vehicle and the background surrounding it. This distance is important to ensure that the numbers are clearly visible and easily readable, without any overlap or confusion with the background.Rate this question:
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Mar 17, 2023Quiz Edited by
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Jan 12, 2017Quiz Created by
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