Z. B

Q: What are Reynolds numbers and what do they indicate about the physical and spatial charactericstics ...

A: Reynolds number is a dimensionless number that is the ratio of inertia force and viscous force in fl...

Q: 12–230. A man can swim at 4 ft/s in still water. He wishes to cross the 40-ft-wide river to point B,...

A: Given Data: The velocity of the man with respect to water is Vmr = 4 ft/s. The velocity of water is...

Q: *3-20. The tower crane is used to hoist the 2-Mg load upward at constant velocity. The 1.5-Mg jib BD...

A: Given Data: The mass of load is M = 2 Mg. The mass of jib BD is M1 = 1.5 Mg. The mass of jib BC is ...

Q: Distinguish between the Normal and Shear Stress Components?

A: Normal and shear stress components are distinguished by their direction with respect to the area on ...

Q: Please I want answer of this question. Thanks

A: Note – (If there is confusion whether springs are in series and parallel then fix one spring as a   ...

Q: Activity 1: Determine the angle 0 for equilibrium of the lever shown in the figure. Disregard the we...

A:

Q: The motor M reels in the cable at a constant rate of 100 mm/s. Determine (a) the velocity of load L,...

A: Draw a diagram for the problem. Here, xM is the position of any point on the cable being pulled by ...

Q: Determine the reactions at the supports.

A: Since W1 is the weight of I-Beam, it will act at C.G (Center of gravity) We know that, W1=M1g=4659.7...

Q: Solve it

A: Given the profile uU=2yδ-yδ2δ=cx12

Q: 15-62. The four smooth balls each have the same mass m. If A and B are rolling forward with velocity...

A: By Coefficient of restitution        e= velocity of separation/ velocity of approach  Before collisi...

Q: An ideal Otto cycle with air as the working fluid has a compression ratio of 8. The minimum and maxi...

A: Given: The compression ratio of the Otto cycle is r=8. The minimum temperature of the cycle is T1=54...

Q: Activity 1: Determine the angle e for equilibrium of the lever shown in the figure. Disregard the we...

A:

Q: Superheated water vapor at 180 psia and 500°F is allowed to cool at constant volume until the temper...

A: Given data P1=180 psiaT1=500 °FT2=250 °F

Q: 1.28 Two members of a truss apply the forces shown to the gusset plate. Knowing that P = 10000 Ib, d...

A: dear student please rate me positive :) Stay safe stay happy !      given - P= F1= 1000 lb F2 = 8000...

Q: A 400-L rigid tank contains 5 kg of air at 25°C. Determine the reading on the pressure gage if the a...

A: Given: The volume of the rigid tank is V=400 L. The mass of the air is m=5 kg. The temperature of th...

Q: Using Mohr's circle, determine stress components on an element oriented 60 ° clockwise with respect ...

A: Given σx=100 MPaσy=160 MPaτxy=60 MPa  As the element is oriented 60o counter clockwise we have the e...

Q: What is the formula for shear stress?

A: Shear stress: It is defined as the ratio of shear force acting laterally to the cross section of obj...

Q: *21-20. Determine the moment of inertia of the disk about the axis of shaft AB. The disk has a mass ...

A: Given data, Mass of the disk, m=15 kg Radius of the shaft, R=150 mm

Q: A heat pump is to be used for heating a house in winter. The house is to be maintained at 78°F at al...

A: Given, T1 = 78°F T2 = 50°F Tambient = 25°F Q = 70,000 Btu/h COP = 11-(T2T1)COP = 11-(50+46078+460)...

Q: A Francis radial-flow hydroturbine has the following dimensions, where location 2 is the inlet and l...

A: In order to solve the following problem, we must take some assumptions into consideration. The flow...

Q: Helium gas in an ideal Otto cycle is compressed from 20°C and 2.5 to 0.25 L, and its temperature inc...

A: Given: The initial temperature of the helium gas is T1= 20°C. The temperature change after the heat ...

Q: The 400-kg uniform beam is subjected to the three external loads shown. Compute the reactions at the...

A: Given Data: The load at A is PA = 2.7 kN. The load at B is MB = 43 kN-m. The load at C is PC = 4.2 ...

Q: Draw Mohr's circle that describes each of the following states of stress shown in Figure 5. 3 ksi 6 ...

A: given   state of stress for element shown in figure a  = -12 ksi = - 3 ksi      = 0  state of str...

Q: Oil at 20°C is flowing steadily through a 6-cmdiameter 33-m-long pipe. The pressures at the pipe inl...

A: The problem can be analysed using Bernaulli's principle and the maximum discharge is used to predict...

Q: 6. The A-frame is loaded by two concentrated forces as shown in the figure. The pins at B and C have...

A:

Q: Assume that the critical stress intensity factor orfracture toughness ðKIcÞ for a partially stabiliz...

A: Given Stress applied σ=300 MPa Critical stress intensity factor or fracture toughness for partially ...

Q: What does the slenderness ratio serve as?

A: The slenderness ratio is defined as the ratio of effective length to the least radius of gyration. T...

Q: The throttle-control lever OA rotates in the range 0≤θ≤90∘. An internal torsional return spring exer...

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Q: In Fig.  the pressure at point A is 25 lbf/in 2 . All fl uidsare at 20 ° C. What is the air pressure...

A: Given data PA=25 lbm/in2=25 lbm/in21.01×105 Pa14.7 psi=1.72×105 Pa

Q: *20-44. At the instant shown, the rod AB is rotating about the z axis with an angular velocity o = 4...

A:

Q: 10. A tank contains 40 lb of air at 33 psia and 75°F. The air is now heated until the pressure incre...

A: Given data: Mass of air in the tank, m=40 lb (Since mass is conserved and tank is a closed system, m...

Q: Plot the magnitude of the resultant R of the three forces as a function of θ for 0 ≤ θ ≤ 360°. After...

A: Resolving the given forces into components along x, y, and z directions,                            ...

Q: For the wide-flange beam with the loading shown, determine the largest load P that can be applied, k...

A: Given data Maximum normal stress = 160MPa Largest shear stress = 100MPa Properties of rolled steel ...

Q: For the area shown, the moment of inertia about axis 1 is 125 in^4 and the total area is 23 in^2. If...

A: Calculate the moment of inertia about its centroidal axis 3.  

Q: Q - (A) // The figure A shown that the beam which is supported with a pin at A and a roller at B, wh...

A:

Q: safety measure while using cardioxide as refrigerant in regeration systems

A: Hello you are asking about cardioxide refrigerant but currently there is no such a refrigerant in th...

Q: llate the ford and mo ons at the bolted base overnea ce-signal assembly. Each trafic sighal Has a ma...

A:

Q: A hydraulic lift is to be used to lift a 2500 kg weight by putting a weight of 25 kg on a piston wit...

A: Given: The mass of the bigger block is M=2500 kg. The mass of the smaller block is m=25 kg. The diam...

Q: Which ballon are safer, the one we filled with air or the ballon we filled with carbon dioxide? Why?...

A: The carbon dioxide gas is denser than nitrogen and oxygen i.e. air, therefore, the balloon filled wi...

Q: The stress–strain diagram for a titanium alloy can be approximated by the two straight lines. If a s...

A: Given data: Dimensions of the rectangular cross-section of the strut, b = 2 in and h = 3 in So, the ...

Q: The Russian Typhoon-class submarine is 170 m long, witha maximum diameter of 23 m. Its propulsor can...

A: The density of the seawater at 1 atm and 20 degrees Celsius is The given power in watts is The flo...

Q: A steel tank is to be positioned in an excavation. Determine by trigonometry (aa) the magnitude and ...

A: Given Data: The force F = 425 lb. The force is P. The angle made by F with the horizontal is θ=30∘....

Q: Calculate the maximum amount of water that can be poured into a 50-liter container at a temperature ...

A: Given data: Temperature difference, dT=200-15=185°CPressure difference, dP=50 atmIsothermal compress...

Q: An airplane begins its take-off run at A with zero velocity and a constant acceleration a . Knowing ...

A: Given Initial velocity=u=0 m/s time=t=30 sec distance=s= 900 m  

Q: Replace the force system acting on the post by a resultant force, and specify where its line of acti...

A: Given: Replace the force system acting on post by resultant force, measured form A Consider an equil...

Q: A typical candy bar has around 250kcal of energy. If all of this energy was used to heat 1kg of wate...

A:

Q: A pair of vise grip pliers is shown in Fig. Determine the force F exerted on the block by the jaws o...

A: Consider the free body diagram shown below for the upper arm. Here,

Q: The bicycle and rider start from rest at the top of the hill. Show how to determine the speed of the...

A: Let the mass of the rider be M and the mass of the frame and the wheels be m together. Let the radiu...

Q: For an incompressible flow machine define the flow coefficient. At what speed the blade must run to ...

A: Flow coefficient:- The flow coefficient for an incompressible machine is  the ratio of average merid...

Q: Determine the magnitude and coordinate directionangles of F3 so that the resultant of the three forc...

A: Given figure,

Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.