A mechanic is lifting a car of 2000kg using a screw jack as he applies a force of 100 N. The screw jack handle is 600 mm, and the screw pitch is 10 mm. Calculate the following; Mechanical advantage Velocity ratio Efficiency

Q: 450-mm-long AISI 1020 steel rod is subjected to a tensile load of 55 kN. The allowable tensile stres...

A: Given Length = 450 mm Tensile load = 55 kN = 55 X 103 N Allowable tensile stress = 140 MPa = 140 N/m...

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Q: Consider a silicon wafer positioned in a furnace that is zone-heated on the top section and cooled o...

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Q: the gusset plate is subjected to the forces of four members. Determine the force in member B and its...

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Q: m3 of nitrogen contained in a cylinder behind a piston is initially at 1.2 bar and 15°C. The gas is ...

A: Given:Volume of nitrogen, V=0.05 m3initial pressure of nitrogen, P1=1.2 barinitial temperature of ni...

Q: A SCARA manipulator which has two revolute joints (0,A) and one prismatic joint (B) is shown in Figu...

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Q: La {b} Î% {r} For L1 = 2m, L2 = L3 = 4m, and L4 = 3m in the home position, describe and/or show the ...

A: Given : To find : Workspace

Q: Q3 Determine the required spring stiffness of kAB in Figure below so that the 10-kg lamp can be susp...

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Q: By using Doolittle's or Cholesky Decomposition method х — у %3D 2 2x – y +z = 4 2х — 2у — z — 3 -

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Q: A gear reduction unit uses the countershaft shown in the figure. Gear A receives power from another ...

A: Given data, Force applied on gear A, FA = 11000 N Pressure angle of applied force in gear A, ϕA=20° ...

Q: LA boiler plant generate steam at a pressure of 13,5 bar and with a temperature of 200°C from feed w...

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Q: 1.2 m w 60 mm diameter SIDE FRONTT 3.5 m

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Q: Q1. A four stroke internal combustion engine has the following specifications: Brake power = effecti...

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Q: Determine the angle between vector AB and vector AC.

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Q: a refrigerator operating on the reversed carnit cycle provides a refrigerated space at 4C while in a...

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Q: The displacement of the system shown below must be limited to 50 inches, measured from th static equ...

A: Given data as per question F = 100 Sin(wt) K = 112.5 lb/in m = .50 lb-sec²/in w = 15 rad/sec The dis...

Q: The uniform 14-m pole has a mass of 190 kg and is supported by its smooth ends against the vertical ...

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Q: Based on the figure identify only the relative polar coordinate of each point. The answer would be i...

A: In this problem, cartesian relative coordinates are given and we have to calculate the polar relativ...

Q: Q1: Draw the shear and moment diagrams for the beam shown below. 60KN 30KN.m 1m 2m

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Q: 3. Same as Problem 2, but assume that the N in the coal gasified burns to NO and S into SO2. Calcula...

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Q: Give the reasons why sewing machine is not so common today? What technology /technologies replaced i...

A: * To give the reasons why sewing machine is not so common today? What technology /technologies repla...

Q: Determine the force in member EF and state if the member is in tension or compression. Express your ...

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Q: xplain the short circuiting arc weld cycle. NOTE:4-5 SENTENCES ONLY

A: Short circuiting arc weld cycle:  Short circuiting arc welding is a mode of metal transfer with low ...

Q: 6.82 Water flows at low speed through a circular tube with inside diameter of 2 in. A smoothly conto...

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Q: Construct the shear and moment equations of the loaded beam as shown and draw the shear and moment d...

A:   Let RO and RC are the reactions at point O and C respectively. Let's mark the points D and E as sh...

Q: A simple ideal Rankine cycle which uses water as the working fluid operates its condenser at 40C and...

A: Answer: (a) Turbine work : WT = 974.53 kJ/kg. (b) Pump work : WP = 8.65 kJ/kg.  

Q: What is constant heat flux and Constant Surface Temperature?

A: This question is based on the concept of heat transfer

Q: Water flows down an inclined tapered pipe 45 m long at a slope of 1:10. The areas at upper and lower...

A: Water flows down a 45-meter long inclined tapered pipe with a slope of 1:10.The upper and lower ends...

Q: A hydrogen gas is contained in a cylinder with a volume of 2.50 × 10¯³ m³ at atmospheric pressure. T...

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Q: The upper edge of a vertical trapezoidal gate is 1.60m long and flush with the water surface. The tw...

A: Given Length = 1.6 m Vertical edge 2 m, 3m To find Location of force Pressure of force

Q: A small dam of height h=2.0m is constructedof vertical wood beams AB of thickness t =120 mm,as shown...

A: Given   Weight density, Y = 9.81 kN/m3            Thickness, t = 120 mm               Height, h = 2 ...

Q: 1,200 N-m 4,500 N-m 2,800 N-m 500 N-m (3) B 0.70 m 1.80 m 0.70 m Complete the torsion diagram of rod...

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Q: If the radius of the big circle is 3m, find the centroid of the shaded area shown in figure with res...

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Q: The cable AB carries a tension of 460 N. Determine the moment about O (positive if counterclockwise,...

A: Tension in cable AB, T=460 N

Q: A floor system in a small building consistsof wood planks supported by 2-in. (nominal width)joists s...

A: Given Length,  L = 10.5 ft = 126 in.            w = floor load               = 120 lb/ft2 = 0.8333 l...

Q: A hypothetical metal A is stiffer than metal B, Has lower thermal expansion coefficient than B, and ...

A: Write the given data. kA>kBαA<αBTmelt,A>Tmelt,B

Q: Determine the resultant couple moment acting on the beam shown: * 300 lb 200 lb 1.5 ft 200 lb 5 13 3...

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Q: One vessel having a carbon-steel wall of thickness 5 mm carrying saturated steam and water at 423K. ...

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Q: 2/ Aluminum tensile specimen with 12.5mm diameter, a gauge length of 50.8mm and the final ameter was...

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Q: a powerp u, a process design id wastes (MSW) per hour. In an industrial boiler, MSW is burned to hea...

A: To given thatH1=104.93Kj/kgH2=2675.53kJ/kgH3=2942.73kJ/kgH4=3324.63kJ/kg

Q: 10. How far below the water surface is it necessary to immerse a vertical plane surface, 1m square, ...

A: The Centre of pressure is defined as the point of application of the total pressure on the surface a...

Q: 2.) Calculate the resultant force. (10PTS.) D = 500lb A = 2000lb 45°

A: Given

Q: force between two charges q1 and q2, separated by a distance d, is 20 mN. e distance between the cha...

A: F=20mN

Q: Matrixs A, B and C are m x n, n x n and n x m, respectively. The CAB matrix is sized...

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Q: an air-standard Carnot cycle heat is transferred to the working fluid at 1100 K, and heat is rejecte...

A: To given thatHigher temp.T1=1100Klower temp.T3=300KHeat transfer of working fluid=100kj/kgMinimum pr...

Q: A square hollow bar having an outside dimension of 250 mm by 250 mm with 6 mm thick is to be replace...

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Q: Calculate your average velocity fror

A: Calculate the Average velocity.

Q: A 100 mm diameter bar is used as a simply supported beam 4m long. The value of R1 * is

A: For the first question taking moment about right side, R1×4-w×31.5=04R1=4.5wR1=1.125w

Q: In the figure below, compute the followings: 1) Distance between A and B 2) Azimuth of line AB 3) Az...

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Q: 1)-A rectangular box of cross-sectional area A and length L, is initially at temperature To. At time...

A: Given: Area of the box=A Length of the box=L And initially the complete box is at temperature=To In ...