Answer:
check attachments for answers
Explanation:
Answer:
a) The proportional limit is 2.99MPa.
b) The modulus of elasticity is 0.427GPa.
C) The poisson´s ratio is 0.021
Explanation:
a) The proportional limit is the maximum stress for wich a tension bar stops acting as a linear material in a stress-strain curve. So this stress can be obtained as:
b) The modulus of elasticity E is the proportion between the strain and the stress in the linear section of the stress-strain curve.
The strain in for the proportional limit is:
Therefore:
c) The Poisson´s ratio is the negative proportion between the transverse strain and axial strain.
In this case, the transverse strain is:
So the poisson´s ratio is:
Answer is TRUE.
a person must maintain an ongoing awareness and capacity to divide their attention between the vehicle's operation, position, speed, the condition of the roadway, and the actions of other drivers.
Answer:
a.
b.
c. Work out put = 564 KJ/kg
d.
Explanation:
Given that
Heat in put = 1000 KJ/kg
Compression ratio,r = 8
Process 1-2
Process 2-3
We know that for air
We know that efficiency of otto cycle
Work out put = 564 KJ/kg
So
Explanation:
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