Homework Answers
(A) The purpose of adding boron in the coolant is to increase the coolant ability to absorb the heat without being burned. The boron addition ensures that the life of the coolant is long.
(B). The above figure shows that as the boron concentration decreases the burn-up rate increases. Thus deteriorating the coolant life.
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q1) The figure below is the soluble boron concentration in primary loop water in a PWR....
3) The pressurizer is an extremely important component found in the primary loop of a PWR....
3) The pressurizer is an extremely important component found in the primary loop of a PWR. What is its role? Clearly explain the physical processes taking place in the pressurizer in order for it to play its role. b) Boron plays a central role in the reactivity control of PWR reactor, why? List and explain the various uses of boron in the short, intermediate and long term reactivity control processes
Hand in this assignment as you ente Grade Name water and hexane miscible (soluble) or immiscible?...
Hand in this assignment as you ente Grade Name water and hexane miscible (soluble) or immiscible? b. Explain. c. Which is the top layer? d. Explain. (1 ) 2. What is the purpose of ac the purpose of adding hexane to the aqueous solutions of halogens? (2 points) Why do you discard solutions containing hexane in the separatory funnel instead of the organic waste container? (2 points) 4. Write the formulas for the diatomic halogens in order of increasing strength...
| 100% Q1. (a) A common-emitter amplifier is shown in Figure Q1(a). Explain why the resistor...
| 100% Q1. (a) A common-emitter amplifier is shown in Figure Q1(a). Explain why the resistor Rs can be used to stabilise the DC biasing. Also, indicate the role of Cci and Cca. 17 marks) +Vcc Ri Cc2 Rs Cc CE RL Vo R2 RE Vs Figure Q1(a) (b) In amplifier design using negative feedback, the desirable properties are obtained at the expense of what? [2 marks] (c) A negative-fecdback amplifier has closed-loop gain A 100, and an open-loop gain...
Calcium phosphate (Ca3(PO4)2) is sparingly soluble in water. If the concentration of calcium ions in solution...
Calcium phosphate (Ca3(PO4)2) is sparingly soluble in water. If the concentration of calcium ions in solution at equilibrium is 1.0 x 10°M, what is the Ksp of calcium phosphate? a. 4.4 x 10-46 b. 2.2 x 10-46 c. 1.1 x 10-46 d.5.5 x 10-47 a. b. O C. d. KESCION 20 5 pts 14a) Sodium chromate is added to a solution of 0.0060 M 5r2+ What is Q if the final concentration of Cro 2 is 0.0030 M? a. 7.2...
Q1. What is the Molar Solubility (concentration, M) of Pbal, in pure water. Remember that its...
Q1. What is the Molar Solubility (concentration, M) of Pbal, in pure water. Remember that its Kp = 1.17 X 10% PbCl2(aq)=Pb2+ (aq) + 2Cl - (aq) Group of answer choices c 1.43 X 102 M 1.21 X 100 M c 7.19 X 10 M 1.50 M Q2. The technique of separating two or more ions from a solution by adding a reactant that precipitates first one ion, then another and so for, is named Group of answer choices c...
numec Based from Figure Q1 below, when water flows through trapezoidal channel section, the cross sectional...
numec
Based from Figure Q1 below, when water flows through trapezoidal channel section, the cross sectional area of the fluid (A) and the wetted perimeter of the fluid (P) are related as: 2yn Yn sin e Estimate the value of O for which P = 3 m using Secant Method, when A = 1 m2 and yn = 0.5 with 10° and 60° as the initial approximation for the e. Compute until the 8th iteration P= Yn cot@ + T...
The bottom part of the figure below shows a wire loop connected to a battery and...
The bottom part of the figure below shows a wire loop connected to a battery and switch. Another wire loop is placed above the lower loop. What happens immediately after the switch is closed? Hlit Select one: a. The lower loop exerts a torque on the upper loop. b. The lower loop exerts an upward force on the upper loop. c. The lower loop exerts a downward force on the upper loop. d. The lower loop exerts no force or...
Q1. As shown in Figure 1, a tensiometer cup is installed 25 cm below ground surface...
Q1. As shown in Figure 1, a tensiometer cup is installed 25 cm below ground surface and gives an equilibrium gauge reading of -52.35 cm of water. The gauge is 5 cm above the ground surface. Gauge reading:-52.35cm 5cm Figure 1. Measurement of pressure head though tensiometer in the field Determine: pressure head at point B. (7 marks)
6. Calcium hydroxide, Ca(OH)2, is slightly soluble in water. The concentration of the hydroxide ion present...
6. Calcium hydroxide, Ca(OH)2, is slightly soluble in water. The concentration of the hydroxide ion present in a saturated solution was determined at various temperatures by titration with a standardized hydrochloric acid solution, and was collected as follows: Temperature / °C 10 20 30 40 50 [OH"]/mol L- 0.02684 0.02465 0.02276 0.02113 0.01970 a. Write the chemical reaction showing the dissociation of Ca(OH)2 in water. Determine the molar solubility of Ca(OH)2 at 10°C, using an ICE table to assist in...
Q1) Figure below indicates a rectangular channel connecting two reservoirs. The ch 385.88 m at the...
Q1) Figure below indicates a rectangular channel connecting two reservoirs. The ch 385.88 m at the 1.22 m. The upstream gate is open by 61 cm. Thus, water is released to the channel at a rate of 15 cms l consists of rent properties given in the table below. The water surfaces locate at elevations 388 3) thre upstream and downstream reservoirs, respectively. The depth at the upstream a) Determine normal and critical depths in each reach. Classify the reaches...
3) The pressurizer is an extremely important component found in the primary loop of a PWR. What is its role? Clearly explain the physical processes taking place in the pressurizer in order for it to play its role. b) Boron plays a central role in the reactivity control of PWR reactor, why? List and explain the various uses of boron in the short, intermediate and long term reactivity control processes
Hand in this assignment as you ente Grade Name water and hexane miscible (soluble) or immiscible? b. Explain. c. Which is the top layer? d. Explain. (1 ) 2. What is the purpose of ac the purpose of adding hexane to the aqueous solutions of halogens? (2 points) Why do you discard solutions containing hexane in the separatory funnel instead of the organic waste container? (2 points) 4. Write the formulas for the diatomic halogens in order of increasing strength...
| 100% Q1. (a) A common-emitter amplifier is shown in Figure Q1(a). Explain why the resistor Rs can be used to stabilise the DC biasing. Also, indicate the role of Cci and Cca. 17 marks) +Vcc Ri Cc2 Rs Cc CE RL Vo R2 RE Vs Figure Q1(a) (b) In amplifier design using negative feedback, the desirable properties are obtained at the expense of what? [2 marks] (c) A negative-fecdback amplifier has closed-loop gain A 100, and an open-loop gain...
Calcium phosphate (Ca3(PO4)2) is sparingly soluble in water. If the concentration of calcium ions in solution at equilibrium is 1.0 x 10°M, what is the Ksp of calcium phosphate? a. 4.4 x 10-46 b. 2.2 x 10-46 c. 1.1 x 10-46 d.5.5 x 10-47 a. b. O C. d. KESCION 20 5 pts 14a) Sodium chromate is added to a solution of 0.0060 M 5r2+ What is Q if the final concentration of Cro 2 is 0.0030 M? a. 7.2...
Q1. What is the Molar Solubility (concentration, M) of Pbal, in pure water. Remember that its Kp = 1.17 X 10% PbCl2(aq)=Pb2+ (aq) + 2Cl - (aq) Group of answer choices c 1.43 X 102 M 1.21 X 100 M c 7.19 X 10 M 1.50 M Q2. The technique of separating two or more ions from a solution by adding a reactant that precipitates first one ion, then another and so for, is named Group of answer choices c...
numec
Based from Figure Q1 below, when water flows through trapezoidal channel section, the cross sectional area of the fluid (A) and the wetted perimeter of the fluid (P) are related as: 2yn Yn sin e Estimate the value of O for which P = 3 m using Secant Method, when A = 1 m2 and yn = 0.5 with 10° and 60° as the initial approximation for the e. Compute until the 8th iteration P= Yn cot@ + T...
The bottom part of the figure below shows a wire loop connected to a battery and switch. Another wire loop is placed above the lower loop. What happens immediately after the switch is closed? Hlit Select one: a. The lower loop exerts a torque on the upper loop. b. The lower loop exerts an upward force on the upper loop. c. The lower loop exerts a downward force on the upper loop. d. The lower loop exerts no force or...
Q1. As shown in Figure 1, a tensiometer cup is installed 25 cm below ground surface and gives an equilibrium gauge reading of -52.35 cm of water. The gauge is 5 cm above the ground surface. Gauge reading:-52.35cm 5cm Figure 1. Measurement of pressure head though tensiometer in the field Determine: pressure head at point B. (7 marks)
6. Calcium hydroxide, Ca(OH)2, is slightly soluble in water. The concentration of the hydroxide ion present in a saturated solution was determined at various temperatures by titration with a standardized hydrochloric acid solution, and was collected as follows: Temperature / °C 10 20 30 40 50 [OH"]/mol L- 0.02684 0.02465 0.02276 0.02113 0.01970 a. Write the chemical reaction showing the dissociation of Ca(OH)2 in water. Determine the molar solubility of Ca(OH)2 at 10°C, using an ICE table to assist in...
Q1) Figure below indicates a rectangular channel connecting two reservoirs. The ch 385.88 m at the 1.22 m. The upstream gate is open by 61 cm. Thus, water is released to the channel at a rate of 15 cms l consists of rent properties given in the table below. The water surfaces locate at elevations 388 3) thre upstream and downstream reservoirs, respectively. The depth at the upstream a) Determine normal and critical depths in each reach. Classify the reaches...
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