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QUESTION 10 Q10 (LO2) 12 marks] 60 kJ of heat is transferred to a system whose mass is 2 kg for a total of 15 seconds. What is the rate of heat transfer in kw? 60 O 30 O 2 04 QUESTION 10 Q10 (LO...
2. (12 marks total) A number of gas turbine engines today have compressor intercooling provided by...
2. (12 marks total) A number of gas turbine engines today have compressor intercooling provided by injecting liquid water into the air leaving the low pressure compressor. The intercooler in the sketch provides cooling partly by cold water injection and partly by heat transfer to the surroundings. A steady flow of air enters 1 mw the compressor at T = 20°C, P = 100 kPa and a relative humidity compressor intercooler of o. = 50% at a flow rate of...
Question 4 Page 15 It is required to 125 marks] design a cold storage for storing...
Question 4 Page 15 It is required to 125 marks] design a cold storage for storing vegetables with the following available data Outside design conditions 36°C DBT. 28 C WBT Inside design conditions T2 19°C DBT, 60% RH Infiltrated air 180 mhr V ms-7.83 kg/s Fresh air supplied from outside 4500 mhr Total mass of air supplied to the room Sensible heat gain through glass SH,5.5AW Sensible heat gain through walls and roof H 10.8 kW Ihr KJ Sensible heat...
Question 2 (10 marks) Gears A and B have a mass of 4 kg and a...
Question 2 (10 marks) Gears A and B have a mass of 4 kg and a radius of gyration (k) of 300 mm, and ae 2017-2018 m, and are which has a mass of 15 kg and a radius of gyration (k of 0.5 m. A motor is attache both meshea switched on while the system is initially at rest and provides a constant moment oed so gear c a) Determine the # of revolutions of gear C before it...
Question 2 (15 marks total) It is a rainy day at the Tour de France (a...
Question 2 (15 marks total) It is a rainy day at the Tour de France (a famous bicycle race). In this stage of the race, there is a sprint finish. With about 100 m to go, the cyclists increases their speed from about 60 km/hr to 70 km/hr in a manner of seconds. The resulting acceleration is 0.6 m/s for the cyclist shown. Given the cyclist weighs 63 kg, the bike weighs 7 kg, us = 0.6, U = 0.5...
to hold a 10 kg mass 1.2 ms above the foor for 30 seconds d.118』 e.1180...
to hold a 10 kg mass 1.2 ms above the foor for 30 seconds d.118』 e.1180 b.12』 E None of the above answers are corect moving at 60 km/h. The kinetic energy o adi is moving at 30 km/h. Car B has a nass of 1000 kg and is f can e. twice that of car B f. none of these answers are correct. a half that of car B d. four times that of car B. e. noro b....
CCN1049 Physics Semester Two of 2018/159 Question Q3 (25 marks) (a) A string oscillates according...
CCN1049 Physics Semester Two of 2018/159 Question Q3 (25 marks) (a) A string oscillates according to the standing wave equation given below 23 (xt)0.005 sin((30 + ds)rx) cos((40 - d)mt) 37 where x and y are in meters, and t is in seconds. Calculate the followings:- (0 The amplitude and speed of the two transverse waves y,(x.t) and y2Cx,t), identical but travelling in opposite direction, whose superposition gives this y (o, t) oscllation. 4 marks) a= (ii) The distance between...
PLEASE PROVIDE STEP-BY-STEP SOLUTION WITH EXPLANATION: ANSWERS Question 1 (40 marks) An initial design calculation is...
PLEASE PROVIDE STEP-BY-STEP SOLUTION WITH
EXPLANATION:
ANSWERS
Question 1 (40 marks) An initial design calculation is to be undertaken for a large refrigeration plant that will service a frozen goods warehouse. The warehouse is to be kept at a temperature of -20.0°C and the total refrigeration heat load is 1.50 MW. The refrigeration system is to reject heat to the ambient air at 30.0°C and operate with a discharge pressure of 1.60 MPa and a suction pressure of 60.0 kPa...
question 9 Required information The Foundational 15 (LO2-1, LO2-2, LO2-3, LO2-4) [The following information applies to...
question 9
Required information The Foundational 15 (LO2-1, LO2-2, LO2-3, LO2-4) [The following information applies to the questions displayed below.) Sweeten Company had no jobs in progress at the beginning of March and no beginning inventories. The company has two manufacturing departments--Molding and Fabrication. It started, completed, and sold only two jobs during March-Job P and Job Q. The following additional information is available for the company as a whole and for Jobs P and Q (all data and questions...
Question 3 (40 marks) (a) Air enters a horizontal nozzle with a velocity of 1 m/s,...
Question 3 (40 marks) (a) Air enters a horizontal nozzle with a velocity of 1 m/s, a pressure of 2 bar and a temperature of 350 K. At exit from nozzle, the air temperature is 450 K. The combined rate of specific heat transfers, and specific work transfers, w to the air as it passes through the nozzle is 150 kJ/kg. Assume that the air flow is steady and air can be treated as perfect gas with = 1005 J/(kg.K)....
Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cy...
Energy Convertion
hello, please help me quickly please please
thank you
Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cycle (top) ttom). The gas cycle has the following operating conditions: inlet pressure to compressor one bar inlet temperature-300 K operating pressure ratio-12 Maxmum allowable temperature 1150 °C adiabatic efficiency for compressor 0.83 adiabatic efficiency for turbine-0.87 - - The exhaust leaves stack at 120 °C after vaporizing water in the...
2. (12 marks total) A number of gas turbine engines today have compressor intercooling provided by injecting liquid water into the air leaving the low pressure compressor. The intercooler in the sketch provides cooling partly by cold water injection and partly by heat transfer to the surroundings. A steady flow of air enters 1 mw the compressor at T = 20°C, P = 100 kPa and a relative humidity compressor intercooler of o. = 50% at a flow rate of...
Question 4 Page 15 It is required to 125 marks] design a cold storage for storing vegetables with the following available data Outside design conditions 36°C DBT. 28 C WBT Inside design conditions T2 19°C DBT, 60% RH Infiltrated air 180 mhr V ms-7.83 kg/s Fresh air supplied from outside 4500 mhr Total mass of air supplied to the room Sensible heat gain through glass SH,5.5AW Sensible heat gain through walls and roof H 10.8 kW Ihr KJ Sensible heat...
Question 2 (10 marks) Gears A and B have a mass of 4 kg and a radius of gyration (k) of 300 mm, and ae 2017-2018 m, and are which has a mass of 15 kg and a radius of gyration (k of 0.5 m. A motor is attache both meshea switched on while the system is initially at rest and provides a constant moment oed so gear c a) Determine the # of revolutions of gear C before it...
Question 2 (15 marks total) It is a rainy day at the Tour de France (a famous bicycle race). In this stage of the race, there is a sprint finish. With about 100 m to go, the cyclists increases their speed from about 60 km/hr to 70 km/hr in a manner of seconds. The resulting acceleration is 0.6 m/s for the cyclist shown. Given the cyclist weighs 63 kg, the bike weighs 7 kg, us = 0.6, U = 0.5...
to hold a 10 kg mass 1.2 ms above the foor for 30 seconds d.118』 e.1180 b.12』 E None of the above answers are corect moving at 60 km/h. The kinetic energy o adi is moving at 30 km/h. Car B has a nass of 1000 kg and is f can e. twice that of car B f. none of these answers are correct. a half that of car B d. four times that of car B. e. noro b....
CCN1049 Physics Semester Two of 2018/159 Question Q3 (25 marks) (a) A string oscillates according to the standing wave equation given below 23 (xt)0.005 sin((30 + ds)rx) cos((40 - d)mt) 37 where x and y are in meters, and t is in seconds. Calculate the followings:- (0 The amplitude and speed of the two transverse waves y,(x.t) and y2Cx,t), identical but travelling in opposite direction, whose superposition gives this y (o, t) oscllation. 4 marks) a= (ii) The distance between...
PLEASE PROVIDE STEP-BY-STEP SOLUTION WITH
EXPLANATION:
ANSWERS
Question 1 (40 marks) An initial design calculation is to be undertaken for a large refrigeration plant that will service a frozen goods warehouse. The warehouse is to be kept at a temperature of -20.0°C and the total refrigeration heat load is 1.50 MW. The refrigeration system is to reject heat to the ambient air at 30.0°C and operate with a discharge pressure of 1.60 MPa and a suction pressure of 60.0 kPa...
question 9
Required information The Foundational 15 (LO2-1, LO2-2, LO2-3, LO2-4) [The following information applies to the questions displayed below.) Sweeten Company had no jobs in progress at the beginning of March and no beginning inventories. The company has two manufacturing departments--Molding and Fabrication. It started, completed, and sold only two jobs during March-Job P and Job Q. The following additional information is available for the company as a whole and for Jobs P and Q (all data and questions...
Question 3 (40 marks) (a) Air enters a horizontal nozzle with a velocity of 1 m/s, a pressure of 2 bar and a temperature of 350 K. At exit from nozzle, the air temperature is 450 K. The combined rate of specific heat transfers, and specific work transfers, w to the air as it passes through the nozzle is 150 kJ/kg. Assume that the air flow is steady and air can be treated as perfect gas with = 1005 J/(kg.K)....
Energy Convertion
hello, please help me quickly please please
thank you
Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cycle (top) ttom). The gas cycle has the following operating conditions: inlet pressure to compressor one bar inlet temperature-300 K operating pressure ratio-12 Maxmum allowable temperature 1150 °C adiabatic efficiency for compressor 0.83 adiabatic efficiency for turbine-0.87 - - The exhaust leaves stack at 120 °C after vaporizing water in the...
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