A type of superheater which is located directly in sight of the flame. O Primary superheater O Convective reheater O Radiant superheater O Convective superheater
Q: A composite beam is fabricated by bolting two 2.9-in.-wide by 13-in.-deep timber planks to the sides...
A:
Q: determine the specified property value and locate the state sketches of the p–υ and T–υ diagrams.
A: determine the specified property value
Q: 3 h -3t 1.5R It 2.
A:
Q: [30] Problem 2: A bracket is designed with a pin-pin horizontal tie rod supporting a boom that is al...
A: GivenVertical load P=6kNyield strength σy=400MPadaimeter of the tie rod d=12mmdaimeter of the pin dp...
Q: Water flows downward along a pipe that is inclined at 30 degrees below the horizontal, as shown. Pre...
A: First of all, I would like to tell you about pressure, pressure is defined as the normal force per u...
Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be u...
A: Drawing, v - t, x- t curve in an interval t=0 to t=14 second.
Q: The same torque is applied to two tubes with identical metal sheets, determine the ratio of Teirle/T...
A:
Q: •Platinum and gold are completely soluble in both the liquid and solid states. The melting point of ...
A: Given Data : Melting point of platinum = 3225 oF Melting point of gold = 1945 oF Alloy starts to so...
Q: In machining operation, if velocity doubled then the tool life reduced to 1/16 th of initial value. ...
A:
Q: A stream of 50 m3/min of outdoor air at 27°C dry-bulb temperature and 30%RH is adiabatically mixed w...
A:
Q: Compute for the forces in all members of the truss shown below using method of joints. -6 ft+6 ft+6 ...
A: GIVEN DATA - A PLANE TRUSS GIVEN WE HAVE TO FIND FORCES IN ALL MEMBER
Q: First consider the upper half of the gate. Based on the drawing below, which expression is correct f...
A: given; radius=Rdensity=ρheight=h
Q: find contraction of the bar.
A: Given; A steel bar of ; Cross-section area,A=30×30mmAxial load,=300 KNlength of the bar,L=3 mE=200 ...
Q: Determine the difference in pressure pA-pB between centers A and B of the closed pipes, which are fi...
A: Need to . Determine the difference in pressure pA-pB between centers A and B of the closed pipes
Q: A cue stick hits a cue ball with an average force of 38.0 N for a duration of 0.0280 s. If the mass ...
A:
Q: NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to th...
A:
Q: the magnitude q of
A: Given; If principle stresses in a plane stress problem are; σ=200MPa σ=140MPa Acc. to question we ha...
Q: Discuss the relationships between the various formulations of the Second Law of thermodynamics.
A:
Q: A 1100 Nm torque is applied at B (CW looking from C towards A). Shaft (1) is solid brass with G 40 G...
A:
Q: What average force is necessary to bring a 45.0-kg sled from rest to a speed of 3.00 m/s in a period...
A:
Q: What is cutting tool? 2. What are the cutting tool material? 3. Types of cutting tool. 4. Cutting fl...
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...
Q: True or False: The higher crankshaft allowed the use of shorter landing gear. Radial engines can b...
A: Different types of engines used in engineering applications are: Rotary engine Reciprocating engine...
Q: E B
A:
Q: The thermal resistance of a medium represents the resistance of that medium against heat transfer. T...
A: Thermal resistance is defined as the ratio of the temperature difference between the two faces of a ...
Q: A fluid flow with mean speed 2 m/s flow over plate of 2.5 m length has kinematic viscosity 2x10 m²/s...
A:
Q: certain liquid (SG = 13) flows through a 483-cm diameter pipe at a velocity of 7.5 m/s. Find the wei...
A: Given:SG=13d=483 cmv=7.5 m/s
Q: Carbon dioxide at 537°R and 14.7 psia has a density of 0.1123 lbm/ft3. Determine (a) the gas constan...
A: GIVEN DATA - TEMPRATURE T=537'R PRESSURE P=14.7 psia DENSITY = 0.1123 lbm/ft3
Q: Draw clearly the Kinematic diagram and the degree of freedom Child's digging toy
A:
Q: The load is supported by the four 304 stainless steel wires that are connected to the rigid members ...
A: Given: P = 500 lb To find: Angle of tilt of the members AB and DC.
Q: 2. A mass of 0.10 slug in space is subjected to an external vertical force of 3 lb. If the local g=3...
A: As per given Mass=0.10slug Vertical forces =3lb g=32.2ft/s2 We have determine vertical forces upwar...
Q: a trolley of mass m stands on frictionless rails.a rod of mass m and length l is pivoted to the roof...
A: Write the free-body diagram of the system.
Q: 3. Viscous fluid occupies the region 0 < z<h between two rigid boundaries z = 0 and z = h. The lower...
A: In fluid mechanics, the Navier-Stokes equation is a partial differential equation that describes the...
Q: heat rejected per cycle is
A: Given; A cycle heat engine does , Efficiency, η=60%=0.6Work per cycle, W=60kJ From the given questio...
Q: y (t) = 0.12t³ – 6.75t* + 135t3 – 1120t + 3200t + 9000
A: For Maximum Altitude, ∫0.12t5-6.75t4+135t31120t2+3200t+9000 =(5×0.12t4)-(4×6.75t3)+(3×135t2)-(2×1120...
Q: Between 300K and 600K is the operating temperature of a pair of heat pumps connected in series. The ...
A:
Q: Calculate Stresses at (x.y.z) (0 in, 0.5 in, 0 in). You do NOT need to show Shear and Moment Diagram...
A: Find stresses at a point
Q: A cylindrical steel pressure vessel with a diameter of 1200 mm and a wall thickness of 20 mm is subj...
A:
Q: A steam power plant operates on the cycle given below. For the following set of operating conditions...
A:
Q: A barge is pulled by two tugboats. If the tension force in the rope TAB and TBC is 3500 Ibs and 2500...
A: Given:TAB=3500 lbTBC=2500 lb
Q: Heat exchanger is device that facilitate the exchange of heat between two fluids that are at differe...
A:
Q: 1. At 3MPA and 400C, 2 kg/s steam flows into a turbine. It exits at 300kPa. The turbine has an effic...
A:
Q: The following data were obtained during a tension test of a low carbon steel specimen having a gauge...
A: (a) Calculate the stress up to elastic limit. σe=PeA=Peπ4de2=35×103 Nπ40.0016 m2=1.74×1010 N/m2
Q: 18) The following is the phase diagram of A and B component, how many unstable components can exist?...
A: following is the answer to the above problem-
Q: Oil flows through a 200 mm diameter horizontal cast iron pipe (friction factor f=0.0225) of length 5...
A:
Q: At 3MPa and 400C, 2 kg/s steam flows into a turbine. It exits at 300kPa. The turbine has an efficien...
A:
Q: 4.35. What is the simplest resultant? Where does its line of action cross the x axis? 800 N 1.8 m- 1...
A: Given Beam under force To find Resultant Resultant position compared to X axis
Q: Two geocentric elliptical orbits have common apse lines and their perigees are on the same side of t...
A:
Q: can you help in the calculation of the shrinkage using the wooden pattern
A: calculation of the shrinkage using the wooden pattern Assuming the dimensions in cmCalculations of ...
Q: Calculate the reactions at each support for all the 4 beams shown below. Be sure to show your work. ...
A: This question is based on the concept of static equilibrium.
Q: The thermal resistance of a medium represents the resistance of that medium against heat transfer.
A: Every medium offers the resistance to heat transfer
Step by step
Solved in 2 steps with 2 images
- A type of boiler in which flue gases flow over the boiler tubes. O Watertube boiler O Firetube boiler O straight-tube boiler boiler O Bent-Tube boiler 1 2 3.What is the steam pressure of ultra-supercritical coal fired plant?Draw the schematic diagram of a superheater used in a boiler and briefly describe it. Explain the advantages of using superheater in a boiler.
- A 34'11 MWth plant operates at a thermal efficiency of 34%. The waste heat is dumped across a condenser which operates at a shell side pressure of 0.717 psia. For the given information below, determine the condenser tube length. Coolant Flow Rate 4.81 x 108 Ibm/hr Coolant Inlet Temperature 60 F Number of Tubes 62,832 Lattice triangular Pitch 1.5 inch Tube OD 1 inch Tube ID 0.944 inch Tube Thermal Conductivity 10 Btu/hr-ft-F Condensing Heat Transfer Coefficient 1228 Btu/hr-ft2-Fwhat are the different type of Boilers?6. Н.W A furnace is to be designed for a heat duty of 30 x 10° Btu/hr and efficiency of 75%. The furnace is fired with gaseous fuel at a rate of 17 lb air/lb fuel (NHV=17000 Btu/lb). The tubes are arranged in two rows and are of 5 inch out diameter OD. With 40 ft length and 2×OD center to center Spacing, heat rate of 35000 Btu/hr of projected area is recommended. Calculate: 1) Percentage of heat absorbed in radiation section (R%). 2) The number of tubes in the radiation section. 3) Heat absorbed in the convection section. (State any assumptions used).
- Example 2 - Super-Reheat 3 TA high-P Low-P turbine turbine Rankine Cycle high-P 3 5 turbine 4 boiler] pump 6 condenser S We are going to add a low pressure turbine (5-6) to the system we just analyzed. Before going into the L-P turbine, the exit steam from the first turbine (3-4) is reheated in the boiler at a constant pressure. Assume both 4 & 6 are at 100% saturated vapor state and the vapor exiting from the H-P turbine (state 4) expands to a lower pressure of 2 MPa (P4-2 MPa) before it is being reheated at a constant pressure to the state 5. Recalculate (a) the thermal efficiency of the system. low-P turbine -Q8(Explain abou the heat transfer mechanism on the ljungstrom air preheater related into primary gas and secondary gas from the flue gas)O Falge QUESTION 2 The refrigerant undergoes a change of phase during the heat-transfer process, the pressure of the retrigerant is the saturation pressure during the low supply and low rejection processes. True False QUESTION 3 Frequently, the vapor of the liquid leaving the condenser is lower than the saturation temperature. O True False QUESTION & The pressure of the iquid leaveng the condenser we be less than the pressure of the vapor entarng, wd etempernd the retigerant in the condenser. O Te QUESTION S Are many situations in which it is desirable to combine three cycles in series, either power systems or refigertion sytems, to take advantage of a very wide temperature range or to utilize what would otherwise be waste heat to improve etficiency O true O False QUESTION 6 A cycle can't be made very efficient, since the temperature differences between the two fluid streams can be controlled through careful design of the combined system. True
- Question 2: (a) The pressure at which the steam should be reheated. (b) The thermal efficiency of the cycle. (c) Total heat input (Qin) (d) Total turbine work output (Wtur.out) (e) Draw the T-S diagram Notes: Assume the steam is reheated to the inlet temperature of the high-pressure turbine. • The moisture content of the steam at the exit of the low-pressure turbine is not to exceed 9.5% Boiler 650 C 17.5 MPa ww Reheater High-P turbine P₁ = Ps= Preheat Pump Low-P turbine Condenser e 15 KPaQUESTION 1.What is the difference between the Water Tube Boiler and Fire Tube Boiler ? 2. Enumerate the function of a. Boiler Water Treatment Tank b. Cooling Tower 3. What is a Water Hammer ? O |IPROBLEM: A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH. Condensation occurs at 300 mm HG vac. All expansion and compression efficiencies are 90 %. Sketch the equipment layout and the TS diagram. Answer the following for 10 kg/sec of steam circulated and fill up the blanks in the items below: 1. TS diagram with the cycle showing correct location of points with respect to saturation dome line with ne and nc = 90%. 2. Ideal heat rate in KJ/KW-hr Answer: 3. Heat rejected at the condenser in KW (Actual) Answer: Actual Rankine engine efficiency % Answer: 5. Ideal Rankine cycle efficiency % Answer: 6. Actual Rankine cycle efficiency using pump and turbine work % Answer: 7. If the generator efficiency = 95%, brake engine efficiency = 90% what is the combined work in KW? Answer: 8. If Cp water = 4.187 KJ/kg-K; cooling water enters the condenser at 12 deg C and leaves at 21 deg C, find amount of cooling water needed by the condenser in kg/sec. (ACTUAL)…