Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Chapter 3, Problem 12P
- (a) Locate, from an appropriate source, the composition for methanol and ethanol. Write down the formulas for the combustion of these two hydrocarbons.
- (b) Calculate the mass of CO2 produced per kg of methanol and ethanol burned.
- (c) Locate values for the heat of combustion of methanol and ethanol and determine the mass of CO2 produced per MJ of energy.
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Q.1 select the lightest W12 shape for column AB that support a service
dead and live loads Po-150k and P-200k as shown in Figure. The
beams and columns are oriented about the major axis and the
columns are braced at top and mid-height using pinned end
connections for out of plane buckling. ASTM A992 steel is used. Select
the suitable answer below:
I
U
B
W18.76
8.00
All dimensions in feet
30.00
8091
B
P
Consider the structure shown in (Figure 1). Suppose that
F = 2500 N.
Figure
0.2 m
1500 N
0.2 m
30%
0.2 m
B
-0.2 m-0.2 m-
F
Part A
Determine the resultant couple moment.
Express your answer to three significant figures and include the appropriate units. Enter positive value if the moment is
counterclockwise and negative value if the moment is clockwise.
ΜΑ
?
1 of 1
MR = 2.85
kN⚫m
√30°
1500 N
AUG
16
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A
W
20
Aa
Example
The 30-N force P is applied perpendicular to the
portion BC of the bent bar. Determine the moment
of P about point B and about point A.
Ans: Mb= 48 N.m
Ma= 81.941 N.m
P = 30 N
1.6 m
45°
B
1.6 m
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- Name: Q.1 select the lightest W12 shape for column AB that support a service dead and live loads Po-150k and P-200k as shown in Figure. The beams and columns are oriented about the major axis and the columns are braced at top and mid-height using pinned end connections for out of plane buckling. ASTM A992 steel is used. Select the suitable answer below: I U B 8.00 All dimensions in feet 30.00 W18.76 8091 B Parrow_forward2) Determine volume of bioreactor SP 2nd order kinetics. V= ks2 Yieldsarrow_forwardThe question is in Turkish You need to explain the process in detailarrow_forward
- Q3. Design by LRFD maximum size side SMAW fillet welds required to develop the loads Po= 7. kips and PL-60kips for an L6x4x1/2, using E70XX electrodes steel. The member is connected on the sides of the 6-in leg and is subject to alternating loads. Draw the layout of welding. Note: 1-5/8 in. 1. All Steel sections are A36 2. The loads effect through the angle center of gravity. L6x4x1/2 Angle C.G. Parrow_forwardDesign the size side SMAW fillet welds required to develop the loads PD= 7. kips and PL=60kips for an L6x4x1/2, using E70XX electrodes steel. The member is to be connected with side welds and a weld at the end of the Q2 angle to a 5/8- inch thickness gusset plate. Balance the fillet welds around the center of gravity of the angle as shown in Figure (2). Use A36 steel. Draw the layout of welding. t=5/8 in. L 6x4x1/2 Angle C.G. P4 Figure -2-arrow_forward1. What is length of a curve if the design speed is 85mph. A grades of a road is 3% and -2% and has stopping sight distance is 820ft. Determine whether S<L or S>Larrow_forward
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