A model is built to a scale of 1:15. The model is tested in a laboratory with a velocity of 0.80 m/s and the force acting on the model is measured to be 5.0 N. Determine (a) the velocity and (b) the force on the prototype. Find the:
Q: Knowing the vertical reaction at the roller support at C of the beam shown is 12.5 kN upward, determ...
A: In this problem, the supports are replaced by reactions as shown in Fig.1
Q: A counterweight of mass m = 4.30 kg is attached to a light cord that is wound around a pulley as sho...
A:
Q: A block of stone is cut so that its cross‑section is a parallelogram. The width of the bottom side i...
A:
Q: Show that in parabolic cables the tension acting a point depends on the x-y coordinates of this poin...
A: given : This is the uniform distributed load of the intensity of load w.
Q: Calculater should be in rad
A: Data given - m= 3.5 kg C= 70 Ns/m k= 531 N/m Initial conditions- xo= 0.29 xo• = 4 m/s
Q: The force on a component of a model in scale is 1:10 of a great bomb is measured as 45 N. Which forc...
A: Given data as per the question scale ratio = 1:10 Force =45 N
Q: There is a 1.3 kg box moving along a horizontal frictionless floor with a velocity of 5.0 m/s. After...
A:
Q: In a pharmaceutical plant, a copper pipe (kc=400 W/mK) with inner diameter of 20 mm and wall thickne...
A: Understand that the condensation will not occur until the temperature of the surface of the pipe bec...
Q: 1-1 Find Reaction at Points A and B1-2 Draw a shear and momentary line.1-3 Maximum shear force?1-4 M...
A: (1) On taking moment about B, RA9=800×34+1.5-4200RA=1000 N On taking moment about A, RB9=800×32+1....
Q: A train is uniformly accelerated and passes successive kilometer stones with velocity of 18 kmph and...
A: Given data: u1=18 kmph=5 msu2=36 kmph=10 ms
Q: A pump increases the pressure of water from 1 kPa to 30 bar, at a flow rate of 20 l/s. If the electr...
A: Data given - Mass flow rate = 20 l/s = 20×10-3 m3/s Power = 1 kW P1 = 1kPa P2= 30 bar = 30×102 kPa =...
Q: Bar ABC has a rectangular cross section of 300 mm by 100 mm. Attached rod DB has a diameter of 20 mm...
A: Given Cross-section height = 300 mm Cross-section width = 100 mm Diameter = 20 mm To find Slope in A...
Q: The figure below is a stress strain curve for an alloy of aluminum at various temperatures. a) What ...
A: (a) Draw the line at the Centre between the temperatures 250k and 350k. This line gives line of 298k...
Q: A ductile material will not yield at all, when it is subjected to external loading Select one: Tr...
A: if ductile material is subjected to external loading then after a certain pt. the material will star...
Q: Clearly explain the directions for forces on mating spur gears mounted on two parallel shafts. Draw ...
A: Introduction Spur gears are a type of cylindrical gears with straight teeth and are mounted on the s...
Q: Air of mass 2 kg is compressed reversibly and adiabatically from an initial state at 1.2 kPa, 28°C t...
A: Given data: Mass of air given = 2 kg , R = 0.287 kJ/kg K & Cv = 0.713 kJ/kg K ...
Q: 3-77. Replace the loading acting on the post by an equivalent resultant force and couple moment at p...
A: Draw the diagram of post showing all the resolved forces. Apply the equilibrium of forces in a hori...
Q: The shaded area shown in (Figure 1) is bounded by z, y axes and the curve y? = 3.24 – 0.5z m², where...
A: According to given conditiony2=3.24-0.5xy=3.24-0.5xCalculating moment of inertia about x axisWe h...
Q: Determine the reaction at the support A
A: The free-body diagram is given as,
Q: Your company specializes in cutting large trees into lumber and assembles it into furniture. During ...
A: Human control system is employed when there are multiple process Adaptive feedback control systems ...
Q: The beam has a constant E1I1 and is supported by the fixed wall at B and the rod AC. If the rod has ...
A:
Q: If the object below has a uniform mass distribution,a=2m,b=4m and c= 8m,find the center of gravity o...
A: The free-body diagram of the structure is given as,
Q: How can the Maximum In-Plane Shear Stress determined?
A: The expression of the principal stress in a plane is given by, σ1=σx+σy2+σx-σy22+τxy2......1σ2=σx+σy...
Q: A gray surface has an emissivity at a temperature of 550 K source. If the surface is opaque, (a) Cal...
A: Given data Gray surface temperature = 550 K Side of square hole = 25 mm = 0.025 m Emissivity of wal...
Q: Heat Exchangers & Boilers are examples of heating units. true of fulse
A: Heat exchangers and Boilers are the examples of heating units.
Q: Use the rectangular component method to solve the fol- lowing problems. Determine the magnitude R of...
A: Calculate the angle made by the force F4 and F1 with the x-axis as follows: tanθ1=34θ1=tan-134=36.87...
Q: An electronic device dissipating 25 W has a mass of 20 g and a specific heat of 850 J/kg·°C. The dev...
A:
Q: It is proposed to have a water heater that consists of an insulated pipe of 7.5-cm diameter and an e...
A: Given: The diameter of pipe is D=7.5 cm. The rate of water enters the pipe is V=24 L/min. The initia...
Q: The steel strip has a uniform thickness of 50 mm. Compute the elongation of the strip caused by the ...
A:
Q: 3. Fill in blanks: a- Particles in matter are always moving due to their b- is the flow of energy fr...
A: It is required to fill in the blanks
Q: Column ABC has a uniform rectangular cross section with b=12 mm and d=22 mm. The column is braced in...
A: Given: centric load P=3.8 KN, E=200 GPa , factor of safety is N=3.2 , b=12mm and d=22mm from the ab...
Q: Describe the various forms of the first-law relation for closed systems.
A: First law of thermodynamic for closed system dQ=dE+dW
Q: The axis of the three-hinge arch ABC is a parabola with vertex at B . Knowing that P= 112 kN and Q =...
A:
Q: The velocity of a particle traveling along a straight line is v = v0 - ks, where k is constant. If s...
A:
Q: Which would be the most likely to measure for an inflated baloon? A. Shear modulus b bulk modulus c...
A: Which would be most likely to measure for an inflated balloon....... First and foremost what is infl...
Q: Consider a converging nozzle, with exit air velocity of Ma=1. What could you do to accelerate the ai...
A: We have a converging nozzle, with exit air velocity of Ma=1.
Q: A triangular pyramid of side 15 mm and axis height of 24mm is resting on the top of a pentagonalpris...
A: Isometric views:- Isometric views are the diagrams which are produced from the 3D diagrams to 2 dime...
Q: *9-56. The CX3400-red-brass rod AB and 2014-T6- aluminum rod BC are joined at the collar B and fixed...
A: Given: Rod Ab is of red brass and rod BC is of aluminum joined together , temperature T1=10°C and T2...
Q: The plate shown in Figure is fixed connected along with AB and held in the horizontal guides at its ...
A: When the plate is deformed then in that case the diagonal AC becomes AC'. Then from the pythagoreous...
Q: Three cast iron pipes are laid in parallel with thesedimensions: The total flow rate is 200 m3/h of ...
A: The flow rate of water is Q=200 m3/h. The temperature is T=20°C. The length of pipe 1 is L1=800 m. T...
Q: What is the Shear Formula?
A: When the shear force is applied on the body then in that case the shear stress is acted upon the bod...
Q: The meter rule could be fixed in place at the fulcrum and the whole apparatus, with your weights fir...
A: Lets take a fulcrum as shown in Figure
Q: Knowing that W= 3 kips, draw the shear and bending-moment diagrams for beam AB, and determine the ma...
A: Given: Weight W=3 kips From the figure we can observe that the reaction at A and B is equal RA=RB Th...
Q: List five different types of oil rating systems
A: Oil Rating Systems:- The society of Automotive Engineers SAE has established a numerical code system...
Q: The cap at point B on the 5-cm-diameter tube in Fig.will be dislodged when the hydrostatic force on ...
A: Given data: The diameter of the smaller tube, d = 5 cm. Force acting to dislodged the cap at point ...
Q: For incompressible polar coordinate flow, what is the mostthe general form of a purely circulatory m...
A: The general expression for the continuity equation in the polar coordinates is Here, r: radius vr: ...
Fluid
[Dimensional Analysis] A breakwater along a river measures 1.5 m by 4.0 m. A model is built to a scale of 1:15. The model is tested in a laboratory with a velocity of 0.80 m/s and the force acting on the model is measured to be 5.0 N. Determine (a) the velocity and (b) the force on the prototype.
Find the:
a. velocity =___________m/s
b. force =___________kN
Step by step
Solved in 2 steps
- Fluid mechanics A manometer, utilizing a pitot probe, measures 10 mm of mercury. If the velocity is desired in a pipe transporting water to which the manometer is attached, what additional information in the following list is needed? I. The temperature of the water II. The pressure in the pipe III. The density of the mercury IV. The diameter of the pipe A. I and II B.II and III C.III and IV D.II and IVThese dimensions concern transportation systems. Look up the dimensions of the following vehicles; give the model year and the source of your information.a. A car of your choiceb. BMW 760 Lic. Honda Accordd. How wide is the driver’s seat in each car mentioned in (a) through (c)?e. A city busf. How wide are the bus seats?g. A high-speed passenger trainh. How wide are the train seats in the coach section?Pressure gages, such as the bourdon gage in Fig. , arecalibrated with a deadweight piston. If the bourdon gageis designed to rotate the pointer 10 degrees for every2 psig of internal pressure, how many degrees does thepointer rotate if the piston and weight together total44 newtons?
- Hydrostatic pressure at any given depth of a liquid depends on the_____ of the container.a)Volumeb)ShapeC)Depthd)All of the above .As the temperature of oil increases, the viscosity of oil willa) increaseb) decreaseC)not change Which of the following units would NOT be used for volume flow rate?a) gal/minb) Ib/sc)m⅗d)ft^3/s 2.Dynamic viscosity is defined as,a) weight per unit volume of a fluidb) volume per unit weight of a fluidc) the velocity gradient divided by the shearing stress of a fluidd)the shearing stress divided by the velocity gradient of a fluid1. A NASA Learjet has a section of one wing instrumented with devices capable of measuring temperature and pressure at discrete points on the wing. If at one of these points, the instruments measure pressure = 10 psi and temperature = -20°F, what is the density of the air at that point?The correct definition of Dimensional Analysis is: A procedure to find the yield point of a material when no definitive yield point can be determined graphically. A procedure to calculate the Elastic Modulus. A procedure to verify the size of a mass of material. A methodical process of converting from one set of units to another set of units. Match the following statements with the term that best describes each statement. (Enter Number ONLY) 1) Hooke’s Law 2) Creep 3) Impact Strength 4) Proportional Limit 5) Fatigue 6) Elastic The tendency of a solid material to move slowly or deform permanently under the influence of mechanical stresses below the yield strength of the material. The behavior of materials that deform when loaded but return to their original shape after the load is removed. The linear relationship between stress and strain in the elastic region below the proportional limit. The phenomenon where cracks propagate under loads…
- The sketch shows an oil manometer that is connected between two pipes which transport water. The density of water can be taken as 998kg/m3, the specific gravity of glycerol is 0.76 and atmospheric pressure is 100 kPa. The respective dimensions (as shown on the sketch) are given below: h1 = 0.17 m h2 = 350 mm h3 =15cm. If the pressure gauge gives a reading of 19 kPa, what is the absolute pressure in pipe B?1. A lead cube has a total mass of 64 kg. What is the Length of its side in cm? specific gravity of lead = 7.27. 2. If the viscosity of water at 70 degrees celsius is 0.0077 poise and its specific gravity is 0.453, determine its kinematic viscosity in stokes.The spherical particle of unit density falls freely in air with a constant velocity of 0.50 cm/sec. The viscosity coeffiecient of the air 0.000180 poise. Using Stoke’s Law, find the radius of the particle.
- Write the primary dimensions of each of the following variables, showing all your work: (a) specific heat at constant pressure cp; (b) specific weight ? g; (c) specific enthalpy h.Dimensional Analysis and Hydraulic Similitude (fluid mechanics) 1. Water at 60F at 12 ft/s in a 6-in. pipe. (a) For dynamic similarity, determine the velocity of medium fuel oil at 90F flowing in a 12-in. pipe. (b) Determine the diameter of the pipe that should be used if a medium lubricating oil at 70oF if flowing at a velocity of 50 ft/s. find the: a. velocity : ____________________ fps b. diameter : ____________________ in.The drag force of a new sports car is to be predicted at a speed of 65 mi/h at an air temperature of 25 C. Automotive engineers build a 0.333333333333333 scale model of the car to test in a wind tunnel. The temperature of the wind tunnel air is also 25 C. Determine how fast (in mi/h) the engineers should run the wind tunnel to achieve similarity between the model and the prototype.