FSG#014

1) Two CAN nodes want to transmit data at the same time. At which bit during the transmission of each node's ID is the priority decided? (CAN IDs: 0x700, 0x3B4)

2) A pin-connected truss composed of members AB and BC is subjected to a vertical force 40 P = kN at joint B (see figure). Each member is of constant crosssectional area: A(AB) = 0.004 m^2 and A(BC) = 0.002 m^2 . The diameter d of all pins is 20 mm, clevis thickness t is 10 mm, and the thickness 1 t of the bracket is 15 mm. Determine the normal stress acting in each member (AB,BC).

A) σΑΒ=7.5MPa, σBC=30MPa

B) σAB=-7.5MPa, σBC=25MPa

C) σAB=3MPa, σBC=20MPa

D) σAB=5MPa, σBC=25MPa

3) Which of the following sentences are in compliance with the rules?

A) The vehicle must be able to be moved without a driver inside and the master switches in the off positions

B) With a reclined driving position, in side view the lap belt must be between an angle of 45 and 65 degrees from the horizontal

C) In endurance penalties can be obtained due to avoiding action

D) Scatter shields mountings must be made of at least 2mm aluminium alloy 6061-T6

4) An aircraft is designed to cruise at a given Mach number , elevation and atmospheric temperature. The stagnation temperature on the leading edge of the wing is to be determined. (Air is an ideal gas with constant specific heats at room temperature , R= 0.287kPa.m^3/ kg.K , cp= 1.005kJ/kg*K and k=1.4 , Ma=1.1and T= -20 degrees Celsius , for the speed of sound and stagnation temperature keep the integral)

A) 293K

B) 313K

C) 405K

D) 227K

5) A team delays the submission of IAD by 32 hours because the previous day was participating in a local drag race event. What is the maximum score the team can achieve?

A) 1000

B) 980

C) 970

D) 0, the team will be permanently de-registered.

6) A student builds the following circuit, where the resistance of R1 is less than R2. How does the current through the battery compare from when switch S is open Iopen to when the switch is closed Iclosed ?

A) Iopen = Iclosed

B) Iopen > Iclosed

C) Iopen < Iclosed

D) Not enough Info

7) A team not participating to the finals of Business Plan kevent has collected 100% of the pitch video, content, finances and deep dive topic. Also has collected 90% of demonstration and stracture, 70% Delivery, 75% of Questions, 70% of General Impression. If the hightest score awarded to a team also not in the finals is 94 points then how many points does the team have?

A) 65.8

B) 64.8

C) 66.6

D) 65.9

8) A property that shows the direction of a vortex is called:

A) vorticity

B) Q criterion

C) eddy

D) helicity

9) It is true that:

A) All ASRs do not have to attend the team briefing

B) Argument with, or disobedience to, any official results in 25 penalty points

C) A team which is de-registered from the competition, can't be re-registered

D) Vehicles with wings are required to have two team members walking on either side of the front wing whenever the vehicle is being pushed

10) A copper specimen with an initial length of 305mm is subjected to a tensile stress of 276MPa. If the deformation is fully elastic, what is the value of the elongation that will occur?

A) 0.77 mm

B) 30.13 in

C) 765 mm

D) 0.0022 ft

11) Using a nozzle similar to the one sketched in The nozzle is 3.90 in long, with an inlet diameter of 0.420 in and an outlet diameter of 0.182 in . The volume flow rate through the through the nozzle is Q= 0.00187 ft³/s, and the flow is steady. Estimate the magnitude of the acceleration of a fluid particle moving down the centerline of the nozzle.

A) 45.547 m/s^2

B) 48.768 m/s^2

C) 46.457 m/s^2

D) 47.782 m/s^2

12) During endurance event what is not true

A) A faster car when he is near the passing zone can overtake the slower car

B) Passing zones will always be located left of the fast lane

C) The slower car when he sees the blue flag must drive into the slow lane and continue to go with the slow speed that it went

D) The passing rules apply for all vehicle in the track

FSG#014

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