1. Which of the following is not true for steam nozzles? a. In convergent nozzle there...
1. Which of the following is not true for steam nozzles?
a. In convergent nozzle there is divergent after throat b. Convergent-divergent nozzle has higher expansion ratio c. Convergent-divergent nozzle produces steam at higher velocities as compared to a convergent nozzle d. All of the above
2. The steam turbine can be governed by the following methods except
a. Throttle governing b. Nozzle governing c. By pass governing d. Reaction governing
3. Which of the following is a steam turbine?
a. De laval b. Kaplan c. Francis d. Bulb
4. The smallest section in nozzle is known as
a. throat b. venturi c. convergent d. divergent
Homework Answers
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1. Which of the following is not true for steam nozzles?
a. In convergent nozzle there...
5-1) (15) Estimate the exit pressure of the convergent-divergent nozzle for stable supersonic flow in the...
5-1) (15) Estimate the exit pressure of the convergent-divergent nozzle for stable supersonic flow in the high-pressure turbine with the ratio of the exit area to the throat area of 1.1 with the throat diameter of 1cm and Get the exit steam velocity: (y = 1.4)
(LO5) In the following turbine designs, which two (2) are not used in hydroelectricy generation? a....
(LO5) In the following turbine designs, which two (2) are not used in hydroelectricy generation? a. Turgo turbine b. Francis turbine c. Gas turbine d. Kaplan turbine e. Pelton turbine f. Steam turbine
(LO5) In the following turbine designs, which two (2) are not used in hydroelectricy generation? a. Turgo turbine b. Francis turbine c. Gas turbine d. Kaplan turbine e. Pelton turbine f. Steam turbine
Question 1.4 A convergent-divergent nozzle is designed to operate with isentropic flow with an exit Mach number, Me. The flowin the nozzle is supplied from a reservoir of air with a static pressure o...
Question 1.4 A convergent-divergent nozzle is designed to operate with isentropic flow with an exit Mach number, Me. The flowin the nozzle is supplied from a reservoir of air with a static pressure ofPr and a static temperature of Tr and the nozzle has a throat area, AT, as specified in the table below Value Unit Design Data Exit Mach number (ME) 0.55 Area of throat (AT) 600 kPa Reservoir static pressure (PR) 380 WAT Reservoir static temperature (TR) kPa...
Can you please help me with part (e), thanks! A B 72 Question 1.4 A convergent-divergent nozzle is designed to operate...
Can you please help me with part (e), thanks!
A B 72 Question 1.4 A convergent-divergent nozzle is designed to operate with isentropic flow with an exit Mach number, Me. The flow in the nozzle is supplied from a reservoir of air with a static pressure of PR and a static temperature of TR and the nozzle has a throat area, AT, as specified in the table below 73 Design Data Value Unit 75 Exit Mach number (ME) 76 77...
power plant / Steam Turbine/ i need solution in 24 hour 7.1 How does a steam...
power plant / Steam Turbine/ i need solution in 24 hour
7.1 How does a steam turbine convert energy in steam to shaft work? 7.2 What do you understand by (a) a nozzle, (b) a diffusor? 7.3 What is a compressible fluid? 7.4 What is the velocity of a pressure pulse in an isentropic flow? 7.5 What is the velocity of sound in an ideal gas? On what factors does it depend? 7.6 What is a stagnation state? 7.7 What...
An industrial steam turbine shown in the figure below receives 20 [kg/s] of superheated steam at...
An industrial steam turbine shown in the figure below receives 20 [kg/s] of superheated steam at 10 [MPa) and 500 [°C] (State 1). Steam is extracted for another industrial process at a rate of 5 kg/s) ata location in the turbine where the pressure is 1 [MPa) and the temperature is 200 [°C] (State 21. The remaining steam continues to expand through the turbine and exit at State 3, where the pressure is 10 [kPa) and the quality is 90%....
Question 2 Which of the following has the highest thermal efficiency? O a simple steam turbine...
Question 2 Which of the following has the highest thermal efficiency? O a simple steam turbine power plant b. steam turbine power plant including reheating and regeneration c. open cycle gas turbine power plant d. closed cycle gas turbine power plant e combined steam and gas turbine power plant
Under these conditions, which of the following statements is true? A. Steam burns the skin worse...
Under these conditions, which of the following statements is true? A. Steam burns the skin worse than hot water because the thermal conductivity of steam is much higher than that of liquid water. B. Steam burns the skin worse than hot water because the latent heat of vaporization is released as well. C. Hot water burns the skin worse than steam because the thermal conductivity of hot water is much higher than that of steam. D. Hot water and steam...
Problem (2) (weight 40%) Figure Q2 shows a steam power system which is consisting of the...
Problem (2) (weight 40%) Figure Q2 shows a steam power system which is consisting of the following processes: Process 1-2: heat addition at constant pressure of 100 bar. Process 2-3: Expansion in a high pressure turbine to 10 bars. Process 3-4: heat addition at constant pressure of 10 bar. Process 4-5: Expansion in a low pressure turbine to 0.1 bar. Process 5-6: Heat removal in a heat exchanger at constant pressure of 0.1 bar. The different water and steam operating...
4-1-30 [WX] An adiabatic steam nozzle operates steadily under the following conditions. Inlet: superheated vapor, p1...
4-1-30 [WX] An adiabatic steam nozzle operates steadily under the following conditions. Inlet: superheated vapor, p1 = 1 MPa, T1 = 300°C, A1 78.54 cm2; Exit: saturated vapor, p2 = 100 kPa. Determine (a) the exit velocity (V2) in m/s, (b) the rate of entropy Solution] [Discuss] generation (Šgen) in kW/K. The mass flow rate (m is 1 kg/s.
5-1) (15) Estimate the exit pressure of the convergent-divergent nozzle for stable supersonic flow in the high-pressure turbine with the ratio of the exit area to the throat area of 1.1 with the throat diameter of 1cm and Get the exit steam velocity: (y = 1.4)
(LO5) In the following turbine designs, which two (2) are not used in hydroelectricy generation? a. Turgo turbine b. Francis turbine c. Gas turbine d. Kaplan turbine e. Pelton turbine f. Steam turbine
(LO5) In the following turbine designs, which two (2) are not used in hydroelectricy generation? a. Turgo turbine b. Francis turbine c. Gas turbine d. Kaplan turbine e. Pelton turbine f. Steam turbine
Question 1.4 A convergent-divergent nozzle is designed to operate with isentropic flow with an exit Mach number, Me. The flowin the nozzle is supplied from a reservoir of air with a static pressure ofPr and a static temperature of Tr and the nozzle has a throat area, AT, as specified in the table below Value Unit Design Data Exit Mach number (ME) 0.55 Area of throat (AT) 600 kPa Reservoir static pressure (PR) 380 WAT Reservoir static temperature (TR) kPa...
Can you please help me with part (e), thanks!
A B 72 Question 1.4 A convergent-divergent nozzle is designed to operate with isentropic flow with an exit Mach number, Me. The flow in the nozzle is supplied from a reservoir of air with a static pressure of PR and a static temperature of TR and the nozzle has a throat area, AT, as specified in the table below 73 Design Data Value Unit 75 Exit Mach number (ME) 76 77...
power plant / Steam Turbine/ i need solution in 24 hour
7.1 How does a steam turbine convert energy in steam to shaft work? 7.2 What do you understand by (a) a nozzle, (b) a diffusor? 7.3 What is a compressible fluid? 7.4 What is the velocity of a pressure pulse in an isentropic flow? 7.5 What is the velocity of sound in an ideal gas? On what factors does it depend? 7.6 What is a stagnation state? 7.7 What...
An industrial steam turbine shown in the figure below receives 20 [kg/s] of superheated steam at 10 [MPa) and 500 [°C] (State 1). Steam is extracted for another industrial process at a rate of 5 kg/s) ata location in the turbine where the pressure is 1 [MPa) and the temperature is 200 [°C] (State 21. The remaining steam continues to expand through the turbine and exit at State 3, where the pressure is 10 [kPa) and the quality is 90%....
Question 2 Which of the following has the highest thermal efficiency? O a simple steam turbine power plant b. steam turbine power plant including reheating and regeneration c. open cycle gas turbine power plant d. closed cycle gas turbine power plant e combined steam and gas turbine power plant
Problem (2) (weight 40%) Figure Q2 shows a steam power system which is consisting of the following processes: Process 1-2: heat addition at constant pressure of 100 bar. Process 2-3: Expansion in a high pressure turbine to 10 bars. Process 3-4: heat addition at constant pressure of 10 bar. Process 4-5: Expansion in a low pressure turbine to 0.1 bar. Process 5-6: Heat removal in a heat exchanger at constant pressure of 0.1 bar. The different water and steam operating...
4-1-30 [WX] An adiabatic steam nozzle operates steadily under the following conditions. Inlet: superheated vapor, p1 = 1 MPa, T1 = 300°C, A1 78.54 cm2; Exit: saturated vapor, p2 = 100 kPa. Determine (a) the exit velocity (V2) in m/s, (b) the rate of entropy Solution] [Discuss] generation (Šgen) in kW/K. The mass flow rate (m is 1 kg/s.
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