21/1/2020
Engineering and Physics Quiz
Test your knowledge in engineering and physics with our challenging quiz! Covering a range of topics from mechanics to electronics, this quiz will assess your understanding and proficiency.
Topics include:
- Mechanics
- Thermodynamics
- Electromagnetism
- Fluid Dynamics
- Materials Science
If (AC)=5.6m and (AB) is 11.2m, which of the following testaments are true.
FA=7 kN , Fc=7.433kN
Fc=14kN , FA=7.433kN
Fc=14.866kN , FA=14kN
FA=14.866kN , Fc=14kN
FA=7kN , Fc=14.866kN
None of the above
If a human being loses 100W through convection what are the calories he must consume through the course of a day?
1865 cal
7843 kcal
2065 kcal
1328 kcal
1957638 cal
In the picture shown above, if C is the center of the beam and the force F is 600N what is the compression of the two springs? KA=1000 N/m, KB=2000 N/m , α = L/6. Consider the beam to be weightless.
ΔlA = 2 m , ΔlB = 1 m
ΔlA = 10 cm , ΔlB = 0.2 m
ΔlB = 0.1 m , ΔlA = 0.2 m
ΔlA = 0.1 dm , ΔlB = 0.2m
A water pump draws water from a lake and shots it horizontally to a field. The mass flow is 3600 kg/h and the pumps power output is 50W. If the pump is stationed at 2 m above the field, what will the covered distance be?
7.82 m
8.43 m
6.59 m
9,13 m
12.45 m
5.27 m
7.28 m
8.01 m
A bar is let to fall in a constant homogeneous magnetic field while touching two infinitely long conductive rails. What is the electron flow direction across the 2Ω resistance.
From top to bottom
From left to right
From right to left
What current?
From the bottom to the top
I don’t know
Which sentences are true regarding the following aluminium series
Duralumin is the best choice for the deck of a frigate
The most common aluminium for general purposes is the 6000 series
A 3000 H14 alloy is harder than a 3000 H19 alloy
A 6000 T2 alloy is more expensive than a 7000 T4 alloy
Silumin is not part of the 4000 series
Which of the following sentences are false?
The most commonly used semiconductor element is Germanium.
Number of protons in the nucleus of a silicon atom are 14.
The reverse current in a diode is usually very small.
Voltage multipliers produce high voltage and high current.
An non-ideal operational amplifier has infinite bandwidth.
A circuit whose output is proportional to the difference between the input signals is considered to be a darlington amplifier.
A box enters an banked turn with an initial velocity 20 m/s. What is the angle θ of the incline in order for the box to turn in a circle of r=70m. Assume there is no friction. g = 9.81m/s^2.
15.46
30.22
45.32
69.42
Operational amplifiers used as highpass or lowpass filters employ which configuration?
Invering
Non-inverting
Both of invering and non-inverting
open loop
None of the above
An 8bit R-2R digital to analog converter with has a reference of 3.3V. What is the analog output for the digital word 0b11001101?
3.3V
0.99V
0.012V
69V
2.64V
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