For a given law of motion of a particle M find a location of a particle for a time t; (in sec), trajectory, velocuty, tangential, normal and full acceleration. سر بہ دن * = *(t), CM - 21² 3 4 cos? (*t/3) 2 - Cos(*t2/3) 3 4t 4 2 sin(st/3) 312 2 y = y(), cm -5t 4 sin(*t/3) sin(2/3...
20 Aug 2020For a given law of motion of a particle M find a location of a particle for a time t; (in sec), trajectory, velocuty, tangential, normal and full acceleration. سر بہ دن * = *(t), CM - 21² 3 4 cos? (*t/3) 2 - Cos(*t2/3) 3 4t 4 2 sin(st/3) 312 2 y = y(), cm -5t 4 sin(*t/3) sin(2/3...
20 Aug 2020Use one example to illustrate the application of precipitation-hardened martensitic stainless steel and discuss the critical challenges in the future development of stainless steel as the production of mechanical parts or devices.no more than 1200 words
20 Aug 2020The suspension of a modified baby bouncer is modelled by a model spring AP with stiffness, and a model damper BP with damping coefficient The seat is tethered to the ground, and this tether is modeled by a wond model spring PC with stiffness Model the combination of baby and as a...
20 Aug 2020A NiCr heating wire is 2.5 mm in diameter and 30 cm in length. It has a voltage of 10 V applied across it, while the outer surface of the wire is maintained at a constant temperature of 90°C. Assume that the total resistance of the wire is 0.0427 02, and the thermal conductivity ...
20 Aug 2020Consider a pair of infinitely long parallel cylinders of the same diameter as shown in the figure: A2 A1 Use the cross-strings method to determine the view factor, F1-2, in terms of X = 1 Note 2r that the originating area is the whole surface of cylinder 1, 2r × length.
20 Aug 2020For a given law of motion of a particle M find a location of a particle for a time ti (in sec), trajectory, velocuty, tangential, normal and full acceleration. I 2 1 - 1/2 2 1. 1 13 14 1 2 ==(C), -2t 3 4 cos? (st/3) 2 - cos(x2/3) 3 40 4 2 sin(st/3) 3t2 2 342 - 41 7 sin(ata/6) 3 ...
20 Aug 2020Derive an analytical expression for the local height profile h(x) of the static meniscus formed when a liquid meets a vertical wall at a contact angle 0 = 60° as illustrated in the figure below. The liquid density, surface tension, and gravitational acceleration are constant. gas...
20 Aug 2020A microfluidic chip (see figure below) is designed to transport an incompressible fluid of viscosity u from reservoir A to B and C where chemical analysis is performed. The device is made of 3 cylindrical channels with the dimensions described in the figure. A constant pressure h...
20 Aug 2020Draw the shear force and bending moment diagram for the beam in Figure Q2. Determine the magnitude and locations of the maximum shear force and moment. 600 N 300 N/m 300 N·m UTIIIII - В -1.5 m --0.75 m----0.75 m--
20 Aug 2020Draw the shear force and bending moment diagram for the beam in Figure Q2.Determine the magnitude and locations of the maximum shear force and moment. 600 N 300 N/m 300 N-m -0.75 m-0.75 m- -1.5 m
20 Aug 2020Draw the shear force and bending moment diagram for the beam in Figure Q2. Determine the magnitude and locations of the maximum shear force and moment. 600 N 300 N/m 300 N·m UTIIIII - В -1.5 m --0.75 m----0.75 m--
20 Aug 2020Steam initially is saturated at 250oC passed through a 12 cm steel pipe for a total distance of 200 m. The steam line is insulated with material having k = 10 W/m2-K and thickness of 6 cm. The ambient temperature of 25oC. Determine the surface film conductance of air if the moist...
20 Aug 2020Steam at 30 bar and 500°C enters a pass-out turbine at a rate of 18000 kg h-l. The bulk of this steam is expanded isentropically to a condenser pressure of 0.03 bar, but 32% is bled from the turbine at a pressure of 3 bar for process heating. If the condensate from the process he...
20 Aug 2020Steam at 30 bar and 500°C enters a pass-out turbine at a rate of 18000 kg h-l. The bulk of this steam is expanded isentropically to a condenser pressure of 0.03 bar, but 32% is bled from the turbine at a pressure of 3 bar for process heating. If the condensate from the process he...
20 Aug 2020Steam at 30 bar and 500°C enters a pass-out turbine at a rate of 18000 kg h! The bulk of this steam is expanded isentropically to a condenser pressure of 0.03 bar, but 32% is bled from the turbine at a pressure of 3 bar for process heating. If the condensate from the process heat...
20 Aug 2020Steam at 30 bar and 500°C enters a pass-out turbine at a rate of 18000 kg h! The bulk of this steam is expanded isentropically to a condenser pressure of 0.03 bar, but 32% is bled from the turbine at a pressure of 3 bar for process heating. If the condensate from the process hea...
20 Aug 2020A steel pipe, 5 m in length transmits superheated steam. Inner diameter of the pipe is 100 mm and the external diameter is 110mm. An insulation of thickness 30 mm is placed around the pipe. The steam inside the pipe is 500 °C and the external temperature is 20 °C. Find: a. Total ...
20 Aug 2020Dropwise condensation of steam is achieved on a copper surface at 0.01 MPa (Tsat = 45.81 °C.hre = 2392.1 kJ/kg, c = 4.178 kJ/kg.K) The surface of copper is maintained at 40 °C and the steam is kept at the saturation temperature. Find the required heat transfer surface area for a ...
20 Aug 2020Hot steam at 100 °C enters to a condenser open to atmosphere and leaves the condenser hotwell at 40 °C. The coolant is seawater entering at 20 °C. The total surface area of condensing surfaces is 4.0 m². If the steam enters at the rate of 360 kg/hr (0.1 kg/s), find: a. Heat trans...
20 Aug 2020Find the temperatures at points A, B and C. (k = 80 W/m K) (Left side of the plate is at 80 °C, upper side is at 30 °C, bottom side is at 35 °C and right side is at 20 °C) 30°C 0.2 m 80 °C 20 "C 0.2 0.2 m 02 m 02 m 0.2 m 35 °C
20 Aug 2020The surface of a furnace wall is at a temperature of 1350oC. The outside wall temperature is 42oC. The furnace wall is made of 25 cm of refractory material having a thermal conductivity of 1.4 W/moK. The outside wall is steel, 1 cm thick with thermal conductivity of 47 W/moK. Cal...
20 Aug 2020Steam at 30 bar and 500°C enters a pass-out turbine at a rate of 18000 kg h- The bulk of this steam is expanded isentropically to a condenser pressure of 0.03 bar, but 32% is bled from the turbine at a pressure of 3 bar for process heating. If the condensate from the process heat...
20 Aug 2020Discuss the advantages and disadvantages of finite element method over [5] conventional methods.
20 Aug 2020Describe the physical meaning of boundary condition for a given DE in FEM
20 Aug 2020Explain the term shape functions. Why polynomial terms are preformed for shape functions in finite element methods.
20 Aug 2020Explain the term shear lockingas used in Timoshenko Beam theory. How this problem is overcome.
20 Aug 2020Explain the convergence criteria for isoparametric elements.
20 Aug 2020Explain two advantages of triangular elements over other elements.
20 Aug 2020Discuss the conforming and non conforming rectangular plate bending analysis.
20 Aug 2020Write short notes on. i) Mindlins Co-continuity element. ii) Shear Locking.
20 Aug 2020Explain the iterative procedure of handling geometric, non-linearity problems in structural analysis.
20 Aug 2020Explain the iterative procedure of handling geometric, non-linearity problems in structural analysis
20 Aug 2020Derive the lumped element mass matrix for 1-D bar element
20 Aug 2020Find the natural frequencies of longitudinal, vibration of the unconstrained stepped bar as shown in fig. 2 49.248.2 .29 stat Element1 Element (2) A A-2A HQ, >Q2Q3 124--*
20 Aug 2020A Francis radial flow hydroturonner blade widths are rom. The wicket gates between -15° s radial flow hydroturbine is desianed with runner inlet radius r2 = 2.80 m and its radius r;= 1.90 m. The runner blade widths are b = 0.92 m and b. = 2.72 m at the inlet outlet, respectively...
20 Aug 2020A Francis radial flow hydroturonner blade widths are rom. The wicket gates between -15° s radial flow hydroturbine is desianed with runner inlet radius r2 = 2.80 m and its radius r;= 1.90 m. The runner blade widths are b = 0.92 m and b. = 2.72 m at the inlet outlet, respectively...
20 Aug 2020A vertical channel 152 x 76 (see Table A-7) has a cantilever beam bolted to it as shown in the figure below. The channel is hot-rolled AISI 1018 steel. The bar is of hot-rolled AISI 1035 steel. The shoulder bolts are M12 x 1.75 ISO 9.8. For a design factor of 2.0, find the safe f...
20 Aug 2020Find instantaneous centers 34 at co - - - - - - il 16 at 0 - - TIVITIT. Circle diagrams
20 Aug 2020Find instantaneous centers j15 34 at co 24 il16 at co 34 at co 12 в 45 56 C 66 14 6 Circle diagrams
20 Aug 202034 at co - - - - - - il 16 at 0 - - TIVITIT. Circle diagrams
20 Aug 2020Determine the maximum average shear stress in pin A of the truss. A horizontal force of P=40 kN is applied to joint C. Each pin has a diameter of 25 mm and is subjected to double shear. 1.5 m
20 Aug 2020Determine the maximum average shear stress in pin A of the truss. A horizontal force of P=40 kN is applied to joint C. Each pin has a diameter of 25 mm and is subjected to double shear. 1.5 m
20 Aug 2020curvatul where at the angular Tv nergy Page 11 of 12 QA3 A brass sleeve S is fitted over a steel bolt B (See Fig QA3) and mitted over a steel bolt B (See Fig OA) and the nut is tightened until it is just snug. The bolt has a diameter de = 25 mm and the sleeve has inside and outsi...
20 Aug 2020Find the locations of all instant centers. Gear 3 ct 1 Gear 5 bo
20 Aug 2020Find the locations of all instant centers. Gear 3 ct 1 Gear 5 bo
20 Aug 2020Explain the differences between fire-tube boilers and water-tube boilers with respet to the following: construction operation main mechanisms of heat transfer properties and uses of steam produced. (b) Discuss the major factors which affect the choice of boiler type for particula...
20 Aug 2020Construct a simple block diagram to show these major components of a steam production and power plant system in their correct sequence. (c) A surface condenser is to be designed to condense 150 000 kg hul of dry saturated steam at 0.05 bar. If the overall heat transfer coefficien...
20 Aug 2020Let D be the three-dimensional solid enclosed by z2 = x2 y2, z = 3 and satisfying 2 > 0. Suppose it is made out of a material whose density is given by S(x, y, z) = z where I > 0 is a constant. (a) Find the center of mass of the solid D. (b) What happens to the center of mass as...
20 Aug 2020From the following block diagram, derive the relationship between (x1, x2, x3) and (r, d, n). Put the results in the matrix form (XXX) = A(rd n), where A is a 3x3 matrix. (30%) X X
20 Aug 2020