Mechanical Engineering Knowledge
This quiz contain some questions about fundamentals in mechanical engineering. Most probably no one like the topic, but remember, this is just to test the website itself, rather than your knowledge
- 1.
What state the first law of Thermodynamics?
- A.
Conservation of Energy
- B.
Conservation of Mass
- C.
Conservation of Momentum
- D.
Conservation of Charge
Correct Answer
A. Conservation of Energy -
- 2.
What states the second law of Thermodynamics?
- A.
All the heat entering in a system cannot be transformed to work
- B.
Entropy is always positive
- C.
Conservation of Charge
- D.
Force equilibrium
Correct Answer
A. All the heat entering in a system cannot be transformed to work -
- 3.
How many degrees of freedom did a four bar linkage posses?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
A. 1 -
- 4.
Steel is an alloy between iron and...?
- A.
Copper
- B.
Bronze
- C.
Carbon
- D.
Chromium
- E.
Silver
Correct Answer
C. Carbon -
- 5.
In a simple spring-mass system, stability with oscillations is obtained when the differential equation laplace transform have..?
- A.
Positive roots
- B.
Negative roots
- C.
Imaginary positive roots
- D.
Imaginary negative roots
Correct Answer
D. Imaginary negative roots -
- 6.
What describes the Navier Stokes equations?
- A.
Conduction heat transfer behavior
- B.
Fluid mechanics behavior
- C.
Combustion inside a piston-cylinder assembly
- D.
Rotary Machinery
Correct Answer
B. Fluid mechanics behavior -
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Current Version
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Mar 15, 2022Quiz Edited by
ProProfs Editorial Team -
Sep 24, 2009Quiz Created by
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