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FSEAST quiz-michos

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FSEAST Quiz Challenge

Test your knowledge with our engaging FSEAST quiz! Dive into 11 thought-provoking questions that cover a range of topics including chemistry, materials science, and engineering principles.

Whether you're a student, teacher, or simply a curious learner, this quiz offers:

Challenging multiple-choice questions
Real-world applications in material science
Insights into chemical reactions and properties

11 Questions3 MinutesCreated by CalculatingRatchet42

1. We are given a mixture with a mass of 100kg that consists of 50% Aluminum (Al, 100% purity) and 50% Iron (Fe, 100% purity) and we want to produce a final mixture with a mass of 150kg that consists of 75% Aluminum and 25% Iron by adding mass “x” of Aluminum and removing mass “y” of Iron. Calculate the ratio of x/y.

2. Calculate the amount of energy produced (absolute value, in kJ) by the combustion of 1kg of methane given the following reaction:

CH₄+2O₂-> CO₂+2H₂O, ΔH=-890.8kj/mol

890.9

100000

55675

Methane does not react with oxygen

3. Aristurtle uses a structural adhesive to adhere the exterior and interior skin to the Aluminum core. This adhesive dissolves in acetone according to the hypothetical reaction

XY→X⁺+Y^-

The solubility constant is Ksp=4×10^-2

Calculate the solubility of the adhesive in g/L.

0.01

0.1

0.5

0.2

The adhesive is insoluble

None of the above

4. Calculate the heat needed to raise the temperature of a 1kg block of Aluminum from 600^o C to 700^o C. The latent heat of fusion is ΔH_fus=293.4kJ/kg, the specific heat of Aluminum is Cp=0.9J/gK, and the phase changing temperature is T_phase=660.3^o C

415.3kJ

90kJ

293.4

383.4kJ

5. Calculate the work done (absolute value) by the isothermal expansion of non-ideal gas from an initial volume of 1L to a final volume of 10L using the Van der Waals equation. It is given that 3.25moles are expanded, the ideal gas constant is R=8.314J/K*mol ,the temperature that the expansion happens is at 500K, and a=-0.03412L*atm, b=2.37*10^-2L*atm^-1

32087.2J

16043.6

The expansion does not produce any work

The data provided are not sufficient to solve

6. Predict the standard electrode potential E_cell of a galvanic cell where a transport of 2 electrons occur and the pH is 9, given that E_cell^o=-2.71V

-2.71

-3.24

-3.04

7. A single strand of 12K carbon fiber is in tension. Calculate the max force (in Newton) to deform this strand. It is given that each fiber has a yield strength of Sy=10GPa and the radius of each fiber is d=2μm

314

377

428

135

8. Choose the correct statements:

A. No part of the vehicle may enter a keep-out-zone defined by two lines extending vertically from positions 75 mm in front of and 75 mm behind the outer diameter of the front and rear tires in the side view of the vehicle, with steering straight ahead. This keep-out zone extends laterally from the outside plane of the wheel/tire to the inboard plane of the wheel/tire assembly.

B. The minimum static ground clearance of any portion of the vehicle, other than the tires, including a driver, must be 25 mm.

C. The vehicle must have a wheelbase of at least 1535 mm.

D. The vehicle may include two unbraced roll hoops

E. A team can use an aluminum welded front hoop.

F. A team is allowed to manufacture its TSAC segments from Kevlar and polyester resin

G. A member of the mechanical team cannot be present during the accumulator inspection

9. Calculate the shear stresses (in MPa) exerted in a Carbon Fiber AIP during a frontal crash with a peek force of Fpeek=120kN. All forces are evenly distributed in the surface of the IA, and the IA does not deform. The AIP consists of 10 plies of Carbon Fiber with an areal density of d=364g/cm². Assume that a sheet of carbon fiber with areal density of 1000g/cm² corresponds to a ply with 1mm thickness. The diagram of the IA assembly is the following

138.7

97.2

75.9

54.9

10. Which of the following is true about catalysts

A) They increase the speed of a reaction while improving the yield

B) They only improve the yield of a reaction

C) Nonmetal compounds are usually used as catalysts

D) Most biological catalysts operate best at specific temperature ranges

11. A material test is conducted and yields the following Load-Deflection curve as the result. Which of the following can be the material tested:

A. Aluminum sandwich panel with honeycomb core

B. Ceramic brick

C. Steel tube

D. Kevlar laminate panel

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