Explain the graph in details. Testing of a polyaniline gas sensor
Measuring the sensors response to vinegar 1st Trial 700 600 500 2 400 y -9.22x+ 648.44 R-0.91271 300 200 100 0 80 20 100 40 60 100 -200 Time (s)
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Explain the graph in details. Testing of a polyaniline gas sensor The sensors in its initial state 1st trial 700 600 y-...
(inside: polyaniline sensor inside a jar which is in contact with vinegar vapors... outside: polyaniline sensor when it...
(inside: polyaniline sensor inside a jar which is in contact
with vinegar vapors... outside: polyaniline sensor when it is
outside of the jar)
Q1)Analysing the results from the graph of resistance vs
time when the sensor was exposed to vinegar, does the polyaniline
sensor adequately perform its function as a sensor? If so, then
list a potential application of such a sensor.
Q2)How might you improve the sensor? For this question
think first about what a good sensor should be...
1) Analysing the results from the graph of resistance vs time when the sensor was exposed to vinegar, does the polyanil...
1) Analysing the results from the graph of resistance vs
time when the sensor was exposed to vinegar, does the polyaniline
sensor adequately perform its function as a sensor? If so, then
list a potential application of such a sensor.
2)How might you improve the sensor? For this question
think first about what a good sensor should then address how the
sensor made here could be made better in that context. Do not
simply say that being more careful or...
Price Quantity demanded Quantity supplied 1 700 300 2 600 400 3 500 500 4 400...
Price Quantity demanded Quantity supplied 1 700 300 2 600 400 3 500 500 4 400 600 5 300 700 6 200 800 7 100 900 8 0 1000 Suppose that the production of good X generates external value of $3 per unit (due to lowering production of cost of another good Y) for the economy. What is the value of the appropriate corrective tax or subsidy? a) Subsidy - $3 b) Subsidy - $2 c) Tax - $3...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a) (b) If its cold-worked radius is 10 mm, what was its radius before deformation? 70 140 120 900 800 1040 Steel 60 120 1040 Stee 800 700 100 50 700 600 100 80 40 600 500 Brass Brass 80 30 60 400 500 Brass 20 Copper 40 300 60 400 Copper 10 1040 Stee 200 300 40 20 Copper 100...
With reference to the Keynesian theory, if real GDP were $500 and government expenditure increased by...
With reference to the Keynesian theory, if real GDP were $500 and government expenditure increased by $80, what would be the new real GDP? No information on multiplier was provided with this question. Expenditure (E) Possible equilibrium points E=Y 1000 900 800 C+I+G+NX 700 600 500 400 300 200 100 0 100 200 300 400 500 600 700 800 900 1000 GDP (Y)
With reference to the Keynesian theory and cross graph, if the real GDP were initially $900,...
With reference to the Keynesian theory and cross graph, if the real GDP were initially $900, what would tend to happen to consumption expenditure? How would it change and why would it change? Why would it stop changing? Expenditure (E) Possible equilibrium points E=Y 1000 900 800 C+I+G+NX 700 600 500 400 300 200 100 0 100 200 300 400 500 600 700 800 900 1000 GDP (Y)
800 A 1400 Eutectoid temperature 700 A 1200 P 600 1000 500 A 800 400 A 600 300 M(start) 50% 400 200 M+ A M(50%) M(...
800 A 1400 Eutectoid temperature 700 A 1200 P 600 1000 500 A 800 400 A 600 300 M(start) 50% 400 200 M+ A M(50%) M(90%) 100 200 105 102 103 104 10-1 10 1 Time (s) Temperature (°C) Temperature (°F) Using the above TTT diagram for the eutectoid composition of steel, enter the relative amount of each microstructure formed for the following heat treatment in the boxes below. Rapidly cool to 625°C, hold for 10s, rapidly cool to 450°C,...
800 1400 Eutectoid temperature 700 A 1200 600 1000 500 B 800 400 A 600 300 M(start 50% 200 400 M+A M(50%) M(90%) 1...
800 1400 Eutectoid temperature 700 A 1200 600 1000 500 B 800 400 A 600 300 M(start 50% 200 400 M+A M(50%) M(90%) 100 200 C 10-1 102 103 1 10 104 105 Time (s) Temperature (C) Temperature (°F) Rapidly cool to 625°C, hold for 10 s, rapidly cool to 450°C, hold for 10s, then quench to room temperature. % Pearlite 100 % Bainite % Martensite 100 % Austenite 0 % Tempered Martensite 10 Enter answers as a whole number...
Price Quantity This is an example of a binding Price Ceiling . Economists expect that a...
Price Quantity This is an example of a binding Price Ceiling . Economists expect that a binding Price Floor will create a Surplus in a market. TOU $90 $80 $70 $60 $50 $40 $30 $20 100 200 300 400 500 600 700 800 900 1000 Quantity a.) A price ceiling of $30 will create a shortage b.) A price ceiling of $10 will create a shortage C.) A price floor of $60 will create a surplus of of of/ 300...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30 20 10 -100 0 100 200 300 400 500 600 700 800 Temperature (degrees Celsius) Compound X will [Y] if you have a bottle of it at 45 atm and 100 °C. and the temperature is raised to 400 °C. (Note: please answer using a phase change term discussed in the lecture.)
(inside: polyaniline sensor inside a jar which is in contact
with vinegar vapors... outside: polyaniline sensor when it is
outside of the jar)
Q1)Analysing the results from the graph of resistance vs
time when the sensor was exposed to vinegar, does the polyaniline
sensor adequately perform its function as a sensor? If so, then
list a potential application of such a sensor.
Q2)How might you improve the sensor? For this question
think first about what a good sensor should be...
1) Analysing the results from the graph of resistance vs
time when the sensor was exposed to vinegar, does the polyaniline
sensor adequately perform its function as a sensor? If so, then
list a potential application of such a sensor.
2)How might you improve the sensor? For this question
think first about what a good sensor should then address how the
sensor made here could be made better in that context. Do not
simply say that being more careful or...
Question 4: A cylindrical specimen of cold-worked copper has a ductility (%EL) of 25% What is its tensile strength? (a) (b) If its cold-worked radius is 10 mm, what was its radius before deformation? 70 140 120 900 800 1040 Steel 60 120 1040 Stee 800 700 100 50 700 600 100 80 40 600 500 Brass Brass 80 30 60 400 500 Brass 20 Copper 40 300 60 400 Copper 10 1040 Stee 200 300 40 20 Copper 100...
800 A 1400 Eutectoid temperature 700 A 1200 P 600 1000 500 A 800 400 A 600 300 M(start) 50% 400 200 M+ A M(50%) M(90%) 100 200 105 102 103 104 10-1 10 1 Time (s) Temperature (°C) Temperature (°F) Using the above TTT diagram for the eutectoid composition of steel, enter the relative amount of each microstructure formed for the following heat treatment in the boxes below. Rapidly cool to 625°C, hold for 10s, rapidly cool to 450°C,...
800 1400 Eutectoid temperature 700 A 1200 600 1000 500 B 800 400 A 600 300 M(start 50% 200 400 M+A M(50%) M(90%) 100 200 C 10-1 102 103 1 10 104 105 Time (s) Temperature (C) Temperature (°F) Rapidly cool to 625°C, hold for 10 s, rapidly cool to 450°C, hold for 10s, then quench to room temperature. % Pearlite 100 % Bainite % Martensite 100 % Austenite 0 % Tempered Martensite 10 Enter answers as a whole number...
Price Quantity This is an example of a binding Price Ceiling . Economists expect that a binding Price Floor will create a Surplus in a market. TOU $90 $80 $70 $60 $50 $40 $30 $20 100 200 300 400 500 600 700 800 900 1000 Quantity a.) A price ceiling of $30 will create a shortage b.) A price ceiling of $10 will create a shortage C.) A price floor of $60 will create a surplus of of of/ 300...
Phase diagram for mysterious compound X 100 90 80 70 60 Pressure (atm) 50 40 30 20 10 -100 0 100 200 300 400 500 600 700 800 Temperature (degrees Celsius) Compound X will [Y] if you have a bottle of it at 45 atm and 100 °C. and the temperature is raised to 400 °C. (Note: please answer using a phase change term discussed in the lecture.)
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