FSG#001_DONE 03.11.2020

1) Your team decided to switch from using a single retaining nut for your wheels to using wheel bolts. To save weight you consider to drill axial holes into standard bolts and nuts. Which statement is correct?

A. Using self-made bolts is prohibited.

B. Using modified standard parts is prohibited.

C. The concept is rule compliant and thereby safe.

D. The concept can be rule compliant if you follow good engineering practices and can provide proof for that.

2) A car with 205/55/13 tire size experience an aerodynamic drag of 27kg. If the gear ratio is 11/1, the engine torque that is recuired in order to have maintain velocity is (answer in Nm round to 1 decimal and assume 0 internal friction with the gears)

A. 5.4

B. 6.7

C. 8.1

D. 9.9

3) What is the spare moment of inertia reduced on the motor of the given powertrain? JM= 0,5 kgm2; J 2 = 0,4 kgm2; J S = 16 kgm2; r M = 7,5 cm; r1 = 15 cm; r 2 = 6 cm; r 4 = 12 cm

A. 1,6 kg/m²

B. 2,1 kg/m²

C. 1,2 kg/m²

D. 2,0 kg/m²

4) What is the CD value of a wing being blown with 60.40 mph, that creates 250 N drag with a surface area of 0,2 m² in a medium with an air density of 1,225 kg/m³? (give answer round to 2 decimal)

A. 2.79

B. 2.80

C. 6.89

D. 6.88

5) How many additional seconds will be added to the run of a vehicle that has knocked all the outer cones on the left circle of the skid pad and half of the inner cones of the right circle?

A. 3.2

B. 4.2

C. 4.4

D. 4

6) Which of the following shutdown circuit components are correct?

A. BSPD is normally closed and before the cockpit shutdown buttons

B. The left shutdown button is normally closed and is before the cockpit shutdown button.

C. If the right cockpit button is open the normally closed ignition switch is actuated via a relay.

D. If the BOTS is actuated the normally open fuel pump switch is actuated via a relay.

7) Α VSV does not have to contain.

A.Engine running at 70% of its redline.

B.180° cornering.

C.Driver wearing complete protective driver’s gear.

D.Straight driving.

8) The purpose of the grooves on a brake disc surface is to:

A) cooling the calipper

B) cleaning the brake pads

C) passes air in the hub

D) reducing the friction coefficient

9) Titanium (non welded) can be used at:

A. Main Roll Hoop and Front Bulkhead

B. Front Hoop and Main Roll Hoop Bracing

C. Main Roll Hoop Bracing

D. Side Impact Structure and Front Hoop

E. Side Impact Structure and Main Hoop

10) Which of the following bearings is better for multiaxial loading?

11) If R1=R4=3.3kΩ, R2=R3=1.7kΩ and V1=3•V2=15V, the inverting gain of the operational amplifier (Vout/V1) shown below is:

A. -0.515 V/V

B. -1.256 V/V

C. -0.403 V/V

D. -5.145 V/V

12) Which of the following is not a positive locking mechanism ?

A.Safety Wiring

B.Threaded heli-coil

C.Nylon patches

D.Lock nuts

13) Which statement is in compliance with the rules?

A) Two systems of the BOM have to be a DBOM

B) Two systems of the BOM can be a CBOM

C) Three systems of the BOM have to be a CBOM

D) One system of the BOM have to be a DBOM

14) Your car uses a CAN Bus 2.0B protocole for the data acquisition system. The sensor's PCB gives 2 messages of 32 bits length 4 messages of 8 bits length and 2 messeges of 16 bits length. The data rate is 1 kbit/s and the frequency if 500 Hz. Which is the max load? (give answer in % round to 1st decimal)

A. 25

B. 32.5

C. 35

D. 37.5

16) The selected baud rate on a UART receiver is 115200 bits/sec. If the system’s crystal oscillates at a frequency of 50 MHz, the timing error of the UART sample signal is approximately:

A. 1.256 ns

B. 0.556 ns

C. 5.241 ns

D. 0.011 ns

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FSG#001_DONE 03.11.2020

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