FS Czech Georgoulas
Engineering and Science Challenge Quiz
Test your knowledge in various fields of engineering and science with our exciting quiz! Dive into questions that challenge your understanding of physics, thermodynamics, dynamics, and more.
Join now to measure your skills and compete with others!
- 10 engaging questions
- Multiple choice format
- Learn while you play!
EV22 (m=250kg) runs on top of a conveyor belt at a speed of 50km/h. Calculate the energy needed to reach 100km/h. cd=0.25, A=0.5m^2, ρ=1.225 kg/m^3 Answer in J
45986
72338
74581
We cannot answer the question
A fridge operates at 2 degrees Celsius by moving energy from inside out with a rate of 360kj/min. If the necessary input power is 2kW then the coefficient of performance is
0.7
0.85
2
3
A copper ring with area A=1m^2a and mass m=0.1kg and resistance R=2Ω falls inside an magnetic field whose intensity is double the ring’s distance from the ground. Calculate the rings terminal velocity (g=9.81m/s^2)
0.4905
0.6859
0.2365
0.7896
A sinusoid signal with a peak to peak Voltage of 8 Volts is imputed to the following circuit. What is the Duty Cycle of the output Signal?
1/3
1/5
1/6
1/8
A Container has a piston with Atmospheric pressure inside and a Volume V=20L. A boy pushes the piston slowly and the volume compresses isothermally V’=10L. Find the boy’s Work. Round to the nearest 2 digits
1286.29
2286.29
1486.29
1584.29
A rocket with mass m=1200kg accelerated in deep space from 0.8km/s to 1km/s. 50kg of fuel were used. What is the velocity u of the exhaust gases? Round to the nearest 2 digits
3697.75m/s
4576.56m/s
4899.32m/s
6849.23m/s
A metal rod with mass m is stabilized on top of a water jet with velocity u=5m/s. The water jet has a cross section A=2m^2 and after it crashes with the rod it disperses evenly and symmetrically to every direction in the horizontal plane. Calculate the rod's mass. (ρ=1kg/m^3,g=9.81m/s^2 round to 1 digit)
3.6kg
8.9kg
5.1kg
3.7kg
Sindos has a population of 15 thousand. Right now 9784 of them are employed and 2359 are unemployed. Every year 10% of the workers lose their jobs and 60% of the unemployed finds a job.Find the unemployment rate in 3 years. Round to the nearest 2 digits.
15.79
12.87
16.33
13.45
Which of the following are not System Critical Signals?
AMS, SD, APPS signals
TS OFF,ETC,AS signals
Telemetry,Steering,DRS signals
AMI,IMD,TSAL ,signals
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