
A. 0.95 volts
B.3.26 volts
C. 0.14 volts.
D. 0.49 volts.

A. 0.95 volts B.3.26 volts C. 0.14 volts. D. 0.49 volts. Given a limiting current density of 1.3 A/cm2 and a concentrat...
Consider the metal deposition reaction M+e M. Suppose the reaction is run at a current density i (A/m) that is 1000 times greater than the exchange current density for the reaction equilibrium i, at 25°C. The cathodic transfer coefficient for the reaction is 0.5 (a) Plot the concentration overpotential for the reaction as a function of(ii ) where im İs the limiting currentdensity (b) Plot the activation overpotential for the reaction as a function of (i/i.) (c) Calculate the range...
4. (a) Show the relationship between current density 0) and difisional flux U). (b) Write down the Fick's first law. (c) Write down the equation showing the relationship between reactant concentration at catalyst layer (CR) and bulk reactant concentration ??. (use for diffusion layer thickness). (d) Find out limiting current density (i), (ef) Find out Nernstian loss in terms of CR/CR and also in terms of j. (30 pts)
Given the following information A+B-→ 2D ΔH。=-70 1.3 kJ AS" = 344.0 J/K C-D ΔΗ'-465.0 kJ AS. -143.0 J/K calculate ΔG° at 298 K for the reaction A+ B2C kJ
Consider the core given in Fig.1. Relative permeability of the core material is 2000. a) What should be the coil current to achive a flux density of 2T when x-0. State your assumptions in the calculations b) Current in the coil is kept constant at the value found in part (a) as the armature moves to x-2 mm. What is the flux density when x-2 mm? alculate the energy stored in the magnetic circuit when x-0 and current in part...
N10. a. What is the density of air, given P- 80 kPa and T=0°C? b. What is the temperature of air, given P-90 kPa and p 1.0 kg m-3 ? and ρ= 1.2 kg·m-3 ? C. What is the pressure of air, given T-90℉ d. Give 2 combinations of pressure and density that have a temperature of 30°C. e. Give 2 combinations of pressure and density that have a temperature of 0°C. f. Give 2 combinations of pressure and density...
4. Consider the given seven symbols with probabilities as {A, B, C, D, E, F, G} = {0.25, 0.20, 0.18, 0.15, 0.12, 0.06, 0.04}. Use Huffman coding to determine coding bits, entropy and average bits per symbol.
1.3 Given x[n]-a-2?Mn + 2]-2Mn] + (1+ J)Mn-1] , find a) Ren] b)Imxnl c) Even^x[n] d) Oddxinl e)Im Evenfn] f)Even lms»in)
Electrical circuits
Determine:
A) Magnetomotive force
B) Reluctance
C) Current
D) What is the air gap flux density, with 3.8% E.M (Marginal
Effect electric machines). ?
Data:
- Magnetic core Permeability μr=4800
- Flow 0.045 WB
E) Draw the equivalent magnetic circuit
Solve step by step
10 cm. 20 cm Cn 15 cm 500 Turns of Wire 15 Cm 400 Turns of Wire 15 cm 0.05 cm Thickness: 3.5cm
Α.be % B. 75% C. 95% D. 99.7% i. You are given the formula r»-JCs。)-95% . Does this.formula represent (please justify your answer): the middle 95% of the standard normal distribution? B. the middle 95% of a normal distribution? c, the 95th percentile of a standard normal distribution? D. the 95h percentile of the normal distribution? i TRUE or FALSE: "The purpose of the regression line is to determine the strength of the correlation between two quantitative variables." Please justify...
Question 1(a&b)
Question 3 (a,b,c,d)
QUESTION 1 (15 MARKS) Let X and Y be continuous random variables with joint probability density function 6e.de +3,, х, у z 0 otherwise f(x, y 0 Determine whether or not X and Y are independent. (9 marks) a) b) Find P(x> Y). Show how you get the limits for X and Y (6 marks) QUESTION 3 (19 MARKS) Let f(x, x.) = 2x, , o x, sk: O a) Find k xsl and f(x,...