Problem 5 A W310 · 60 structural steel shape (see below for cross-sectional properties) is used as a column with an actual length L=9 m. The column is fixed at base A. Lateral support is provided to the column, so deflection in the x-z plane is restrained at the upper end; howeve...
20 Aug 2020A mild-steel cylindrical billet 25 em 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 68 W/mK, determine ...
20 Aug 2020Locate the center of mass of the block. Materials 1, 2, and 3 have densities of 2.70 Mg/m3, 5.70 Mg/m3, and 7.80 Mg/m3, respectively. 20 mm 30 mm 40 mm 2 60 mm 20 mm 260 mm Prob. 9-89 F10-5. Determine the moment of inertia of the beams cross-sectional area about the centroidal x...
20 Aug 2020The gate ABC as shown in Figure Q1 (b) located in reservoir contains water and has a width of 1.5 m. If a = 3 m, b=1 m and e- 1.35 m, determine, (i) the magnitude; and the direction of resultant force acting on the gate ABC (14 marks) FIGURE Q1 (a) TERBUKA FIGURE 01 (b)
20 Aug 2020A block of 3 kg is connected between two springs of the same stiffness 500 N/m as shown in figure QA1.1 Consider the positive direction to the left k = 500 N/m k = 500 N/m WWW 3 kg WWWW Figure QA1.1 Mass connected between two springs L. Write the equation of motion of the system....
20 Aug 2020COA = @o, OA = a. Angular velocity of the link AB at given position of the mechanism is: W=00: 3. 3 0 = 200; 3.1 3.2 = 200 3.4 = 7 4. Velocity of the slider A is va=const, AB= BO=.. Acceleration of the point B is: 4.1 WB 4.3 WR 4.2 WB B 4.4 WB = 0. 2a ANO An the meridian, crossin...
20 Aug 2020A hot air balloon is held by three tension forces Fi = 1500 kN, F2 = 4500 kN, and F3 = 5000 kN. These forces compensate for the net buoyancy force that lifts up the balloon. Find the magnitude and direction of the buoyancy force if 0 = 50°, o = 80º, a = 4, and b = 3. Do not use c...
20 Aug 2020Sheet metal bending involves which of the following stresses and strains (more than one)? (a) compressive (b) tensile (c) shear 18. Which of the following processes are classified as high-energy rate forming processes (more than one)? (a) electrochemical machining (b) electromagn...
20 Aug 2020Which of the following casting processes are expendable mold operations (more than one)? (a) investment casting (b) low pressure casting (e) sand casting (d) slush casting 7. Investment casting is also known by which one of the following names? (a) full-mold process (b) lost-foam...
20 Aug 2020The smooth rod in the figure below has a weight of F = 50 N and tilted at an angle 0 = 40° This weight acts through the centre of mass of the rod which is located at d= 20 m away from the ends of the rod. A fixed post is supporting the rod at q = 8 m away from the left end of th...
20 Aug 2020An airplane that weighs 50,000 N and has a wing area of 21.5 m² is landing at an airport. (a) Graph C as a function of the true airspeed over the airspeed range 300 to 180 km/h, if the airport is at sea level. (b) Repeat the problem for an airport that is at an altitude of 1600 m...
20 Aug 2020A 150-mm-long, 75-mm-diameter titanium alloy rod is being reduced it turning on a lathe in one pass. The spindle rotates at 400 rpm and the tool is traveling at an axial velocity of 200 mm/min. Calculate a) cutting speed. b) material removal rate (MRR), c) time of cut and d) cutt...
20 Aug 2020International Manufacturing Consultancy Group in Germany has hired you as a senior consultant to propose and explain their clients the most suitable sheet metal forming process for the following product. Show with labeled diagram the equipment configuration involve in manufacturi...
20 Aug 2020A 150-mm-long, 75-mm-diameter titanium alloy rod is being reduced in diameter to 65 mm by turning on a lathe in one pass. The spindle rotates at 400 rpm and the tool is traveling at an axial velocity of 200 mm/min. Calculate a) cutting speed, b) material removal rate (MRR), c) ti...
20 Aug 2020RS International Manufacturing Consultancy Group in Germany has hired you as a senior consultant to propose and explain their clients the most suitable sheet metal forming process for the following product. Show with labeled diagram the equipment configuration involve in manufact...
20 Aug 2020Ia brazing the base metals melt at temperatures ao peratures above 450°C while in soldering they men at 450° C or below. (a) true (b) false 9. A match-plate pattern consists plate. plate pattern consists of the two split patterns attached to opposite sides of a (a) true (b) false...
20 Aug 2020International Manufacturing Consultancy Group in Germany has hired you as a senior consultant to propose and explain their clients the most suitable sheet metal forming process for the following product Show with labeled diagram the equipment configuration involve in manufacturi...
20 Aug 2020Question No. (12 mars c A 150-an. Ac Bon atheis na pas. The r vlacity of 30 w ake w cute d ing the door edit od umby o osa a MRR), DA N- Rowed CV-ON MRRDDIN Depth of end - 2 Feed Time of LUN CM IMORI A -35 W Solution
20 Aug 2020Suppose a system, as shown in the block diagram of a unity feedback loop, below, has a transfer function, P(S) = . We want to stabilize this system with a proportional integral (PI) controller, such that the poles of the characteristic equation are to be: s, = s2 = S3 = -1. If we...
20 Aug 2020International Manufacturing Consultancy Group in Germany has hired you as a senior consultant to propose and explain their clients the most suitable sheestal forming process for the following product. Show with labeled diagram the equipment configuration involve in manufacturing...
20 Aug 2020Which of the following casting processes are expendable mold operations more than one)? (a) investment casting (b) low pressure casting (c) sand casting (d) slush casting 7. Investment casting is also known by which one of the following names? (a) full-mold process (b) lost-foam ...
20 Aug 2020Determine all the reactions at support A as a Cartesian vector, and calculate the torque acting on the segment AB using vector approach and the shear stress due to torque if the radius of the bar is 2.5 cm 314) CC 3.4, 4) TABA: **** F-1-20 10j 154] N BC 3,410) VBC = 64k. GEMBO ...
20 Aug 2020Gas metal arc welding is also known as: (a) metal inert gas (b) tungsten inert gas (c) atomic hydrogen welding (d) stick welding 2. Which of the following is not the bulk deformation process? (a) cogging (b) rolling mills (c) slitting (d) heading 3. Shear spinning is also known a...
20 Aug 2020Determine the natural frequencies and mode shapes for the system shown, if k = 1.3×10° N/m, m = 2.6 kg, and L=1.0 m. AB: Slender bar of mass m 21 T X2 F(1)
20 Aug 2020The magnitude of the yield point elongation depends on (more than one): (a) strain rate (b) tensile stress (c) % carbon (d) grain size 11. What allows you to see if a mold is filled with molten metal? (a) gate (b) runner (c) riser (d) sprue (e) flask 12. Cast iron and steel pipes...
20 Aug 2020National aerospace university Kharkov Aviation Insulte Fields of Specialization "Aviation and cosmonautics Subject Theoretical Mechanics First year, second term. Kinematics Question card Ne 17 1. In what case is normal acceleration equal to zero? 1.1 x=a2-1, y=b21, 1.3 x=4t, y=16...
20 Aug 2020National aerospace university "Kharkov Aviation institute Fields of Specialization "Aviation and cosmonautics" Subject Theoretical Mechanics First year, second term. Kinematics Question card No 17 1. In what case is normal acceleration equal to zero? 1.1 x=at2-1, y=bt21, 1.3 x=4t...
20 Aug 2020Translational motion is characterized by: 2.1 Velocities (and acceleration) of all 2.3 points are equal by the magnitude (but they are not parallel); 2.2 Wn=0; 2.4 Acceleration vector always makes acute angle with velocity vector; Velocities (and accelerations) of all points are ...
20 Aug 2020COA = 00, OA = AB = a. Acceleration of the point B 3.1 Wp = oſa; 3.3 Wp = 0Őa (12-1): 3.2 Wp = 207a; 3.4 W3 = 0.
20 Aug 2020s the base meta & A a) true (b) false . A match-plate pattern consists of the two split patterns attached to opposite sides of a plate. a) true (b) false 10. The RPM setting in turning operation depends on the cutting speed and the diameter of the part. true (b) false . Low power...
20 Aug 2020COA = coo, OA = a. Angular velocity of the link AB at given position of the mechanism is: @ = 0; 4.3 m = 200; 0 = 0; 4.4 m = 2000 4.2 O
20 Aug 2020Area An electric heater 25 mm diameter and 0.3 m long is used to heat a room. Calculate the electrical input to the heater when the bulk of the air in the room is at 20°C, the walls are at 15°C, and the surface of the heater is at 540°C. For convective heat transfer from the heat...
20 Aug 2020Theory of Machines Dr. Yassin and Dr. Almajali Q1: (14 Points) 1- The gear shown is: a. Bevel gear b-warm gear C-spur gear d-herringbone gear 2- The crank-rocker mechanism is an example of motion a- Rotation-translation C- translation-rotation b- Rotation - rotation d- translatio...
20 Aug 2020Do the dimensional analysis(M,L,T) of the stream around a ship considering the gravity. What are the similarities? What is the law for the power needed? What is the thrust power needed? Do the drawing.Parameters are T,P,p(density),u(viscosity),v(speed),N(rpm),L(length),g(gravity)...
20 Aug 2020A disturbing mass m, attached to a rotating shaft may be balanced by a single mass my attached in the same plane of rotation as that of m, such that a. mj.12 =m2.11 b. m. 11 = m2.12 c. m. m2 = 11.12 d. None of the above 6- Static balancing involves balancing of a. forces b. coupl...
19 Aug 2020In brazing the base metals melt at temperatures above 450° C while in soldering they melt at 450° C or below. (a) true (b) false 9. A match-plate pattern consists of the two split patterns attached to opposite sides of a plate. (a) true (b) false 10. The RPM setting in turning op...
19 Aug 2020Weld failures always occur in the fusion zone of the weld joint since this is the part of the joint that has been melted: (a) true (b) false 7. Oxyacetylene welding is the most widely used oxyfuel welding process because acetylene mixed with an equal volume of air burns hotter th...
19 Aug 2020Select most suitable manufacturing process from the following list which can be used to manufacture the products given in the table (without repeating) Centrifugal casting; Investment casting; Die casting; Deep drawing; Wire drawing; Ring rolling; Shear spinning; Bulging Products...
19 Aug 2020The resulting stream function of a superposition of a source and a uniform flow as shown in Figure Q2(b) is given as: m Q = Ur sin 0 0 210 Where r and are the polar coordinates, U is the uniform flow velocity, and m is the source strength. D Draw the resulting flow of the superp...
19 Aug 2020Explain how production drawings, assembly drawings, circuit and wiring diagrams, block and schematic diagrams all interrelate?
19 Aug 2020Mechanical Engineering Design E Moza { Moy= į Rose & ! 400 Ressut() 350 1068 N Problem 11-34 Dimensions in mm. RE T=rxficos 20 Gear 3.600 dia. Gear 4,300 din. D1-31 12Fcosas:T 11_25 Th stir force
19 Aug 2020Air flowing at Mach 2.75 with a pressure of 60 kPa and a temperature of -20°C passes over a wedge which turns the flow through an angle of 4° leading to the generation of oblique shock waves. One of the oblique shock waves impinges on a flat wall, which is parallel to the flow up...
19 Aug 2020A simple wing may be m of 3° to an air flow at Mach 2.75, the pressu A simple wing may be modeled as a 0.25 m wide flat plate set at an angle Tlow at Mach 2.75, the pressure in this flow being 60 kPa. Assuming! that the flow over the wing is two-dimensional, estimate the lift and...
19 Aug 2020A normal shock wave across which the pressure ratio is 1.7 moves down till air at a pressure of 100 kPa and a temperature of 20°С. Find the pressure, temperature, and velocity of the air behind the shock wave. If the end of the
19 Aug 2020Construt a 1-step rectangular nozzle using Method of characteristics to generate final number of 1.6 in test section of wind tunnel. Assume test section height to be 0.24 m. Start with M = 1.0 at throat. Assume isentropic flow.
19 Aug 2020For the following Matrix, find all possible Eigenvalues and Eigenvectors and prove that your solutions are correct
19 Aug 2020Surface of a 0.05"-diameter, thin-walled tube is maintained at 100". In one case, air is in crossflow over the tube with a temperature of 25 & a velocity of 30m In another case, air is in fully developed flow through the tube with a temperature of 25" & a mean velocity of AS 30 C...
19 Aug 2020Figure 4 shows a belt-driven circular saw used for cutting wooden plank in the horizontal direction. Pulley A with a diameter of 250 mm is driven by a vertical belt with the tension side force of 400 N and the slack side 100 N. The torque from the pulley is transmitted through a ...
19 Aug 2020Figure QI below shows the equilibrium phase diagram of Lead (Pb)-Tin (Sn) alloy system, 327c Temperature (°C) 40 60 100 Composition ( 5) (a) The equilibrium phase diagram of Lead (Pb)-Tin (Sn) alloy system At a temperature of 200 °C, a melt of 20 wt%Pb-80wt%Sn alloy with a mass o...
19 Aug 2020Basic Cur ve Cam motion curve characteris tics Accelerafian Curve Applicafion name (sekinetic paads ena1 1ight bad Para bolic Medium speed 2.00 pool 46 Medum speed Curve ts T 1 4.93 light load metion curve 6-28 I 39.48 Cyclaidal motiom pands-nbiH
19 Aug 2020