1. True/False The Pressure Relief valve maintains the minimum pressure in the hydraulic circuit
1 answer:
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Answer:500,551.02
Explanation:
Given
Initial enthaly of pump \left ( h_1\right )=500KJ/kg
Final enthaly of pump \left ( h_2\right )=550KJ/kg
Final enthaly of pump when efficiency is 100%=
Now pump efficiency is 98%
=
0.98=
therefore initial and final enthalpy of pump for 100 % efficiency
initial=500KJ/kg
Final=551.02KJ/kg
Answer:
a) diameter available = 0.0384 nm
b)The space is smaller than the carbon atom which has a radius of 0.077 nm and this simply means that the carbon atom will not conquer these sites
Explanation:
For BCC iron
From Appendix B given,select the lattice parameter ( a ) as = 0.2866 nm
The BCC iron has 4 atomic radii and therefore the body diagonal length =
expressing the atomic radius of the BCC iron
4r =
insert the value of (a) from appendix B which is = 0.2866 nm
4r =
therefore r = 0.4964 nm / 4 = 0.1241 nm
Refer again to appendix C given select the atomic radius of the BCC iron as = 0.1241 nm assuming the atomic radius of the iron are the same
then the radius ratio = 0.62
Refer to the Figure 3.2 given, the amount of space required for an interstitial at the BCC position is between the atoms at the FCC position and also in this space there are two atoms that are equal to a radius of 0.2482 nm
The diameter of the minimum space available
= 0.2482 nm
a = 0.2666 nm
therefore
d = 0.2866 nm - 0.2482 nm = 0.0384 nm
comparing this to the diameter of a carbon atom
The space is smaller than the carbon atom which has a radius of 0.077 nm and this simply means that the carbon atom will not conquer these sites