Fundamental Problem 7.17 1 of 13 > Review Draw the shear and moment diagrams for the beam (Figure 1) - Part A Figure 1 of 1 > Draw the shear diagram for the beam Click on "add discontinuity to add discontinuity lines. Then click on add segment button to add functions between the ...
20 Aug 2020What is the difference between direct and common ventilation? And I want to put a picture of each and create a simple diagram explaining both of these methods. In addition to making a comparison between them in terms of features, preference, and uses. And two examples for each...
20 Aug 2020Concept and definition (7* 10) 1) If we want to continuous produce power from thermal energy, what four setting are necessary?(10) 2) For ideal gas, Pv=RT. Please give the value and unit of universal gas constant and the nitrogen constant? (10) 3) In the figure, there are four pr...
20 Aug 2020Calculation question (2*15) 1. A certain brick has a thickness of 50 em and a cross section of 20 conductivity of 0.08 W/m C. At a particular instant in time, the temperature X, the distance from the left face, is T-50% - 30%, where is in meter Cloe te heat-flow rates at x = 0 an...
20 Aug 2020The following creep rupture data was recorded for an alloy steel when it was tested at a range of stresses and temperatures. Stress (MN/m2) Time to Failure (hr) Temperature (°C) 500 600 300 4724 200 570 700 100 297 800 60 95.3 1000 30 8.6 If a component made from this material is...
20 Aug 2020This system: Xo! X(t) Spring, k2 Fi Mass TIL Damper, bf a Spring, k1 M can be modelled using this transfer function: 1. E mD2 bD ky k2 Considering a unit step input Fi, and that m = 10kg, b = 50 N/(m/s) and k1 = 30 N/m; for which value of k2 this system will have a settling ti...
20 Aug 2020Consider a SOFC (solid oxide fuel cell) power module operating at 827°C and 101 kPa using carbon monoxide as a fuel and oxygen as an oxidant. Faradays constant is 96,485 coulombs per mole of electrons. a) Outline the design and operation of the SOFC power module using appropriate...
20 Aug 2020steam power plant cant run as Carliul UJ 7) According to the Fouriers law for thermal conduction as q. =-ka-, why there is “-” in the formula?
20 Aug 2020For the system shown in Figure P7.3, what steady-state error can be expected for the following test inputs: 1. 15u(t), 15 tu(t), 15 tºu(t) (10%) FIGURE P7.3
20 Aug 2020There are many definitions of engineering design. The Accreditation Board for Engineering and Technology (ABET) defines engineering design as: "Engineering design is the process of devising a system, component, or process to meet desired needs. It is a decision-making process (of...
20 Aug 2020Using the steam tables, determine the indicated property data for a process in which there is no change in specific entropy between initial state and final state. In each case, locate the states on a sketch of the T-s diagram. a) T1 = 560°C, P = 1.5 bar, P2 = 150kPa. Find T2, X2 ...
20 Aug 2020Derive from first principles the equation for critical fibre length. Explain why failure in continuous fibre-reinforced composites is normally not catastrophic. Make use of a generic stress- strain curve for fibre reinforced composites to support your answer.
20 Aug 2020Masses A and B are attached to a 50 kg mass R 0.2 m flywheel as shown. If the system is released from rest, determine a. tension in cables T and T2. b. components of the reaction at pin O. c. angular acceleration of the flywheel, a. Τ Α Ι Radius of gyration of the flywheel, 60 kg...
20 Aug 2020Engineering design has been described as a process of devising a component, system or process to meet desired needs in which basic sciences, mathematics and the engineering sciences have to be applied in decision making, which are often iterative, to convert resources optimally t...
20 Aug 2020In engineering design, the philosophy is “form follows function” and conceptual design attempts to generate concepts that will fulfill the function. a) How is function defined in the early stages of concept development? (5 marks) b) What method follows function definition in orde...
20 Aug 2020In concept evaluation the goal is to expend the least amount of resources on deciding which concepts have the highest potential for becoming a quality product. a) Explain briefly one difficulty in evaluating concepts. (5 marks) b) Pughs Decision Matrix is a method suggested for s...
20 Aug 2020One of the goals of engineering design is to minimize risk, which can be either of the product, project or decision made. a) Provide a suitable definition of risk. (3 marks) b) One product risk is related to safety. Explain the three ways to establish product safety to minimize ...
20 Aug 2020To evaluate product, several factors may be considered. One is the performance and some of the others are Design for Cost, Manufacture and Assembly. a) Show a cost breakdown for a typical product. (5 marks) b) Describe three important characteristics of a good design for manufact...
20 Aug 2020To evaluate product, several factors may be considered. One is the performance and some of the others are Design for Cost, Manufacture and Assembly. a) Show a cost breakdown for a typical product. (5 marks) b) Describe three important characteristics of a good design for manufact...
20 Aug 2020The Hannover Principles provide guidelines for Design for Sustainability (DFS). One of the principles is “Eliminate the concept of waste". Elaborate how this principle relates to Design for Assembly (DFA).
20 Aug 2020In embodiment design, the concepts which delivers the function of the product is given form. Explain how the following finally gives form to the concept: a) constraints (5 marks) b) configurations (5 marks) c) connections (5 marks) d) components
20 Aug 2020In designing for reliability, Failure Modes and Effects Analysis (FMEA) is used to identify potential failure. a) Describe mechanical failure and how it affects reliability. (10 marks) b) Discuss the five steps for FMEA.
20 Aug 2020A prismatic rods AD and DB as shown in Figure 2 are welded together to form the cantilever beam ADB. Knowing that the flexural rigidity is El in portion AD of the beam and 2EI in portion DB, find, for the loading shown, the slope and deflection at end A OE Figure 2
20 Aug 2020Microstructure arrays are applied in various optics and electronic products due to their superior performance. In ultra-precision machining, the quality of the machined surface plays an essential role in the functional performance of the product, especially in optics, photonics...
20 Aug 2020An orthogonal cutting experiment was conducted on aluminium alloy by single-point diamond turning. Table Q1 shows the cutting conditions used in the experiment. Additional information was known by measurement: chip thickness = 15 um, width of cut = 17 um, cutting force - 370 N an...
20 Aug 2020V-Ax B that best fit the data, and find Y value when x 1. . The following data are shown k 0 1 2 3 XX 1 2 -1 -2 Write down the polynomial in Lagrange and Newton form that passes through these points. 0. Solve the following equation with fourth-order Runge-Kutta method using h-0....
20 Aug 2020The equation f(x) = x - x-1=0 has a root between 1 0 has a root between x 1.0 and x-1.5. Find the root by using Bisection method and Newton method.
20 Aug 2020solve the following equation with fourth-order Runge-Kutta method using h=01 Sy = x - y 1,0 SXS 0.5 y(0) = 1
20 Aug 2020Solve the following linear equation using Gauss-elimination methods. ( 2x1 - x2 2x3 = 4 3 x1 2x2 3x3 = 9 (2x; - 2x2 - 3x3 =-3
20 Aug 2020Solve the system with Doolittle decomposition method: X1 2x2 6x3 = 1 2xı 5x2 15x3 = 3 (6x 15x2 46x3 = 10
20 Aug 2020The following data are shown: 0 1 2 3 11 0 2 -1 -2 6 8 Write down the polynomial in Lagrange and Newton form that passes through thes points.
20 Aug 2020Candidates must answer Question 1 and any TWO others. QUESTION 1 (a) A mass spring damper system within a seat has an effective mass of 80 kg, a spring stiffness of 1800 N/m and a damping constant of 240 Ns/m. 1. Determine the damping ratio and the damped natural frequency when u...
20 Aug 2020The following data are given IX 13 14 15 6 TY 2.5 3 4 4.5 Use Linear-squares regression to find Coefficients m and b in the tunction = Ax B that best fit the data, and find Y value when X = 1.
20 Aug 2020Calculation Method AD100 Student Candidate should attempt five questions. Pach question has 20 points The equation f(x) = -x-1=0 has a mot betwem the root by using Bisection method and Newton method Solve the following linear caution using Gaust-elimination me (2x; -X2 2xy = 4 ...
20 Aug 2020Solve the following equation with fourth-order Runge-Kutta method using h=0.1. y = x-y 1,0 SXS 0.5 y(0) = 1
20 Aug 2020Transient Heat Conduction) Consider a spherical shell satellite with outer diameter of 4m and shell thickness of 10mm is reentering the atmosphere. The shell satellite is made of stainless steel with properties of p = 8238kg/m3, cp = 468J/kg-K, and k = 13.4W/m.K. During the reent...
20 Aug 2020Calculate the degree or redom of the linkage shown below
20 Aug 2020A long rod 12 mm square section made of low carbon steel protrudes into air at 35 °C from a furnace wall at 200 °C. Determine the location from the wall at which the temperature will be 60°C (Givens: 22 W mk. k 37.9 Wmk)
20 Aug 2020A mild steel cylindrical billet 25 cm in diameter is to be raised to a minimum temperature of 760 °C by passing through a 6 m long strip-type furnace. If the furnace gases are at 1538 °C and the overall heat transfer coefficient on the outside of the billet is h-68 W/mk, determin...
20 Aug 2020An electronic circuit contains a power resistor that dissipates 1.5 W. The designer wants to modify the circuitry in such a way that it will be necessary for the resistor to dissipate 2.5 W. The resistor is in the shape of a disk 1 cm in diameter and 0.6 mm thick lis t surface is...
20 Aug 2020Two freely supported beams have the same length, bear the same load, but have different cross sections (beams I and II).The maximum deflection of the beam fMAX corresponds to the middle span (most dangerous section). Cross sections of two beams are presented in the table below.De...
20 Aug 2020Which one is correct for throttling process () Internal energy remains constant () Entropy remains constant ( Pressure remains constant () Enthalpy remains constant () Temperature remains constant 2 Aheat engine receives heat from a source at T 1273 K and relects the waste heat t...
20 Aug 2020rue-False type of questions (25 marks) Read the sentence provided in each question and decide whether it is true or false and then put across in the appropriate box below that sentence. At a specific temperature the specific heat at constant pressure is always higher than the spe...
20 Aug 2020Which one is correct for throttling process () Internal energy remains constant () Entropy remains constant () Pressure remains constant () Enthalpy remains constant () Temperature remains constant 2. A heat engine receives heat from a source at T = 1273 K and relects the waste h...
20 Aug 2020Determine the required speed of an engine having a weight and foundation area to be 23,750 lbs and 150 ft2, respectively. Assume a soil bearing capacity as 0.45 kg/cm2. Use e = 0.11.
20 Aug 2020A piping system repair must be made to a vertical piping system. Prior to its turn to a horizontal direction, the pipe is 18 inches in diameter and 60 ft. long. There is a repair that must be done at 35 feet above the floor. The pipe is filled with a liquid having the same proper...
20 Aug 2020SULIT (BMFG 1313) -English Version- Q3 Given A = $(2x sin(3x) e*)dr. Solve A using 0 (a) Integration by parts. (9 marks) (b) Simpsons 3/8 rule with 12 subintervals. (8 marks) (c) Simpsons 1/3 rule with 10 subintervals (8 marks) (Give all your workings and answer correct to 4 deci...
20 Aug 2020The hot combustible gasses of a furnace are separated from the ambient air and its surrounding, which are 28oC, by a brick wall 120 mm thick. The brick has a thermal conductivity of 1.23 W/m-oK and a surface emissivity of 0.82. At steady state conditions the outer surface tempera...
20 Aug 2020The vessel of a reactor consists of a thick-walled cover (1), a cylindrical shell (2), with an elliptical bottom, and a upper flange with screwed studs that are installed uniformly on the same diameter. There is an overpressure p0 inside the reactor. The vessel seal is provided b...
20 Aug 2020The equations of motion for natural convection for a certain two-dimensional Cartesian problem can be written as follows: Ôu ovo at = 0) Ou ди aาน U — a u -= gß(T-T) V - Ov - ax where u,v, x, y,g,B,1,1,v,p,C,,k are respectively, velocity in the x-coordinate direction (m/s), velo...
20 Aug 2020