Answer part e to h.
Q: ntal thrust H' at each support.
A: given:
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A: Converting from TF to DE
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Q: A six inch diameter cylinder with a two inch rod pushes out its full stroke of 20 inches in 1.5 seco...
A: Forward stroke Area : π462-22=25.13 in2 Volume : V=A×L=502.65 in3 Flow rate : Q=Vt=335.1 in3/s Press...
Q: A planar closed kinematic chain is formed with rigid links PQ = 2.0 m, QR = 3.0 m, RS = 2.5 m and SP...
A: GIVEN DATA - A FOUR BAR MECHANISM GIVEN PQ=2m QR=3m RS=2.5m SP=2.7m
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A: Distance covered d=1500 m Time to complete the race t=4 min 35 secondt=4×60+35 secondt=275 second ...
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Q: A 2445 lb car is moving up a 14 degree incline as shown. If it took 7 s for the car to decelerate fr...
A: Given data: Time taken to decelerate from 107 ft/s to 35 ft/s = 7 s Mass of car = 2445 lb
Q: A quantity of gas occupies a volume of 0.3m3 at a pressure of 100 MN/m2 and a temperature of 20oC....
A: Write the given data. P1=100 MN/m2V1=0.3 m3T1=20 °CP2=500 MN/m2
Q: Sketch and explain, the number of atoms, coordination number and void space of a hexagonal cubic pac...
A: Explanation of HCP structure. No. of atomsNcorner=12Ncenter=3Nface=2No. of atomicunit cell N=12×16+1...
Q: 11.) A heat engine with &=0.450 operates between two heat reservoirs at 300K and 700K. During each c...
A: Calculate the magnitude of Wk, QH, Qc for one cycle operation. Drawing energy flow diagram for one c...
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A: I
Q: 2. A single cylinder, 4-stroke cycle, reciprocating engine on an isometric air cycle has the followi...
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Q: PROBLEM 2: Determine Pand 6 so that the three forces shown are equivalent to the single force R = 85...
A: Given data, R is resultant where R= 85i + 20j kN Need to find P and θ
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A: Power = 0.5MW air density = 1.225 kg / cubic meter. Sweeping diameter = 125m Anemometer reading = 4...
Q: Example 18.7: A two-hinged parabolic arch of span 36 m and central rise 6 m, has the element of iner...
A: the above question is two find out the horizontal thrust produced due to the arch . given data : L =...
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A: The data from the question has been provided to us are: a=0.6 m,b=1 m,σall=140 MPa=140×106 Paτall=...
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A: Given question belongs to the subject Heat transfer and can be solved using the concept of energy.
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A: for solution refer below images.
Q: For the bracket from homework 2 shown below where l=100 mm, a=400 mm, t=10 mm, h=20 mm, F=50 N, OD=2...
A: Given: The length, l = 100 mm = 0.1 m The length, a = 400 mm = 0.4 m The thickness, t = 10 mm = 0.01...
Q: A block of mass 121 kg lies on a horizontal plane. A horizontal force F of magnitude 1032 N is appli...
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Q: How does the Bernoulli’s Theorem Apparatus show the relationship between the kinetic and potential h...
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A: Find force at support C and pressure in piston Load =530 lb
Q: 1. The gage pressure of the air in the tank shown in the figure below is measured to be 65 kPa. Dete...
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Q: A block of mass 105 kg lies on a horizontal plane. A horizontal force F of magnitude 1156 N is appli...
A: Given data: m=105 kgF=1156 Nμ=0.34g=9.81 m/s2 Need to determine the acceleration of the block.
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- Q2: A compression-ignition engine has a compression ratio of 15, which can be analysed based on the diesel air-standard cycle. The pressure and temperature at the beginning of compression are 1 bar and 18 °C, and the air-fuel ratio is 28:1; and the calorific value of the fuel is 44 MJ/kg. Find the maximum pressure (kPa) and temperature (K); the cut-off ratio; the thermal efficiency (%); the work done (kJ/kg) and the imep (kPa) of the engine. Assume: Cp = 1.01 kJ/kg.K ; R= 0.287 kJ/kg.K and k= 1.4.OTTO CYCLE At the start of an air-standard Otto cycle's compression process, P1 = 1 bar, T1 = 300 K, V1 = 380cm3. The maximum temperature in the cycle is 2400 K and the compression ratio is 9. Determine the: (a) heat addition, in kJ (b) the net-work in kJ (c) the thermal efficiency (d) the mean effective pressure, in bar. Show complete solution.Engines In a Diesel engine, r = 18, a= 2.8, T1 = 336 K, P1 = 100 kPa, Va = 740 cm3. In the compression process polytropic exponent ns = 1.32, during the expansion process, polytropic exponent ng = 1.36. Number of revolutions n = 2100 rpm and the number of cylinders is 6. Cp = 1.0035 kJ / kgK, R = 0.287 kJ / kgK, lower heat value of the fuel Hu = 42.636 Mj / kg, burning efficiency is y = 0.96. a) Find the thermodynamic coordinates of the cycle b) Find the indicated work and strength c) Find the thermal efficiency of the motor d) Find the amount of fuel that the engine will consume per hour e) If the cycle took place in the adiabatic state change: the highest pressure in the cycle and what value would the temperature be?
- Q2: A compression-ignition engine has a compression ratio of 15, which can be analysed based on the diesel air-standard cycle. The pressure and temperature at the beginning of compression are 1 bar and 18C, and the air-fuel ratio is 28:1; and the calorific value of the fuel is 44 MJ/kg. Find the maximum pressure (kPa) and temperature (K); the cut-off ratio; the thermal efficiency (%); the work done (kJ/kg) and the imep (kPa) of the engine. Assume: Cp = 1.01 kJ/kg.K ; R= 0.287 kJ/kg.K and k= 1.4.IC Engines In a Diesel engine, r = 18, a= 2.8, T1 = 336 K, P1 = 100 kPa, Va = 740 cm3. In the compression process polytropic exponent ns = 1.32, during the expansion process, polytropic exponent ng = 1.36. Number of revolutions n = 2100 rpm and the number of cylinders is 6. Cp = 1.0035 kJ / kgK, R = 0.287 kJ / kgK, lower heat value of the fuel Hu = 42.636 Mj / kg, burning efficiency is y = 0.96. 1-)Find the amount of fuel that the engine will consume per hour 2-) If the cycle took place in the adiabatic state change: the highest pressure in the cycle and what value would the temperature be?An ideal gas Diesel engine, that has an inlet temperature and pressure of 19 °C and 102 kPa respectively with a compression ratio of 23:1. The maximum cycle temperature is 1,285 °C. Take Specific heat at constant pressure and constant volume for air as 1.005 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the specific heat received to one decimal place and include the correct SI unit (J..).
- The displacement volume of an internal combustion engine is 2.19 liters. The processes within each cylinder of the engine are modeled as an air-standard Diesel cycle with a cutoff ratio of 2.5. The state of the air at the beginning of compression is fixed by p1 = 1.6 bar, T1 = 325 Kand V, = 2.36 liters. If the cycle is executed 2100 times per min, determine: a) the compression ratio, b) the net work per cycle, in kJ, c) the maximum temperature, in K, d) the power developed by the engine, in kW, e) and the thermal efficiency.HANDWRITTEN AND FINAL ANSWER MUST BE IN ENGLISH UNITS. Show solution.ANSWER iii. Consider an ideal gas with the following characteristics: R = 115 ft-lbf/lbm-R Cp = 0.25 + 0.00035T (BTU/lbm-R) i. Solve for the value of k at 1250 R. ii. Refer to the table shown below: SEE IMAGE iii. Solve the following unknown parameters for Carnot cycle: Volume at end of isothermal compression Heat added and Heat rejected Wnet Efficiency Mean effective pressure iv. Solve the following unknown parameters for Otto Cycle Mass Pressure and Temperature ateach corner Heat added and Heat rejected Wnet Efficiency Mean effective pressure Percentage clearance v. Solve the following unknown parameters for Diesel Cycle with 6% cut-off. Compression ratio Percentage clearance Heat added and Heat rejected Wnet Efficiency Mean effective pressureAn engine of 250 mm bore and 375 mm stroke work on otto cycle. The clearance volume (V2) is 0.00263 m3. The initial pressure and temperature are 1 bar and 50 C, if the maximum pressure (P3) is 25 bar, the network in the cycle in KJ/Kg will be: *
- An ideal gas Diesel engine, that has an inlet temperature, pressure and compression ratio of 26 °C and 102 kPa 19:1 respectively. The maximum cycle temperature is 1,239 °C. Take Specific heat at constant pressure and constant volume for air as 1.005 kJ/kg K and 0.718 kJ/kg K respectively. Calculate the specific heat rejected during the cycle to one decimal place and include the correct SI unit (J, kg. C).Consider an ideal gas with the following characteristics: R = 95 ft-lbf/lbm-R Cp = 0.25 +0.00035T (BTU/lbm-R) Solve for the value of k at 1000 R. Refer to the table shown below: m T1 T3 P1 P2 Carnot cycle 10 lbm 850 deg F 125 deg F 345 psig 150 psig Solve the following unknown parameters for Carnot cycle a. V4 b. QA and QR c. Wnet d. e. e mepConsider an air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in the figure below. State T(K) p (kPa) u (kJ/kg) h (kJ/kg) 1 380 100 271.5 380.6 2 1032 4074 786.2 1082 3 2000 4074 1676 2250 4 1053 277.1 804.2 1106 Determine: (a) the cutoff ratio. (b) the heat addition per unit mass, in kJ/kg. (c) the net work per unit mass, in kJ/kg. (d) the percent thermal efficiency.