The following lead screw and saddle arrangement is used to lift a load of 550 kg.   The square thread has a pitch of 3 mm and a diameter of 15 mm. The coefficient of friction is 0.2. Calculate the torque required to rotate the screw on raising and lowering

Q: Check all of the following statements that are true regarding shear and moment diagrams in general.…

A: Check all of the following statements that are true regarding shear and moment diagrams in general.

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A: Given lengths from the drawing is. AB=EF=l1=300.1mm=0.3001mCD=l2=300mm=0.3m Diameter of the steel…

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Q: 5. The mass of the elevator cage is m, It moves downward with constant velocity vo by wire rope. The…

A: The mass and downward velocity of the elevator is m and vo respectively.

Q: For a material under uniaxial tension loading, Find the true strain at which necking instability…

A: n=0.42 K=300 MPa

Q: The length of the ship’s water-plane area is 70 m. The lengths of the equidistantly spaced half…

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Q: Air at a temperature of 25°C and standard atmospheric pressure of 101.3 kPa flows through the nozzle…

A: Ta=25oc pa=101.3 Kpa pin=60 Kpa d=10mm R=286.9 J/Kg.k K=1.4   To find: m˙

Q: Q6: The U-bend in the figure below is connected to a flow system by flexible hoses that transmit no…

A: d=3in V˙=600 gal/min P1=5 psig=34.4738Kpa P2=3 psig=20.6843Kpa ρ=1000 Kg/m3   To find: Fy

Q: Do not use shift solve show complete solution

A: Given-Information: Q=10000 cfm = 10000 ft3/min = 4.72 m3/sA=2ft ×2ft =4ft2hw=0.90ρw=62…

Q: The nail cutter consists of the handle and the two cutting blades (Eigure 1) Figure 6 mm 6 mm -36 mm…

A: According to the given data F=6 N We need to find Force on the fingernail by the cutter

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Q: What is Gorilla Glass from Corning? Why does it outperform regular window glass in terms of…

A: To explain: What is Gorilla Glass from Corning? Why does it outperform regular window glass in terms…

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Q: Doğru cevabı seçiniz. F 12 D X 0.40 m 0.45 m 0.60 m 0.60 m 1.20 m C3 0.30 m The pipe assembly shown…

A: F=140 NC1=100 N.mC2=180 N.mC3=260 N.m

Q: 1 Calculate the moment of the 250-N force on the handle of the monkey wrench about the center of the…

A: moment of a force about any pt. is calculated by multiplying the force with the perpendicular…

Q: (Q1) Find the number of cycle required to increase the crack length from (0.3 mm) to (0.4 mm). The…

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Q: Air flows at 700 m/s through a long duct in a wind tunnel, where the temperature is 15°C and the…

A: Given data as per questionAir velocity=700m/sAbsolute pressure=90kpaTemperature in wind tunnel=15…

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A: Given data :- The power transmission (P) = 150 kW                       The speed of the shaft (N) =…

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Q: Problem 07.094 - Deflection of cable with level supports with know maximum tension Three loads P₁ =…

A: The forces are P1=2.8 kN, P2=4.8 kN, P3=6.8 kN The maximum tension is 27 kN.

Q: Obtain Unit-Step Response of First-Order Systems: C (t). R(S) C(s)

A: From Block diagram: G(s)=1/sH(s)=1 The unit step input is given as: R(s)=1/s

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Q: The rear window of an automobile is defogged by passing warm air over its inner surface. If the warm…

A: Given:Inner side warm air temperature, T∞,i=40oCThe inner side convection coefficient, hi=30…

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Q: Q5/ A surface condenser handles condensate at 70.15 cm Hg when barometer reads 76 cm Hg. Steam…

A: Given DataPb=76 cm of hgm˙s=2360 kg/hrm˙w=6.81×102kg/hrPc=70.15cm of the HgIntial water…

Q: pls. answer with FBD pls. A 6000 N elevator from rest attains an upward velocity of 6m/s in 4…

A: According to the given data u=0 m/s v=6m/s t=4 sec Weight of the  elevator=6000N Weight of the men…

Q: Water of density 62.3 lbm/ft³ and dynamic viscosity 2.02 x 10-5 lbf-s/ft² flows with velocity 4 ft/s…

A: The density of the water,(ρ)=62.3 lbm/ft3 The dynamic viscosity, (μ)=2.02×10-5 lbf.s/ft2 The…

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Q: Air at 2.5 bar, 400 K is extracted from a main jet engine compressor for cabin cooling. The…

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Q: The three balls each weigh 0.4 lb and have a  coefficient of restitution of e = 0.75. If ball A  is…

A: The mass of each ball is 0.4 lb The coefficient of restitution is e=0.7.

Q: 7.19. For flow over a smooth plate, what approximately is the maximum length of the laminar 9.1 m/s…

A: I am providing the solution of the first problem as per the Bartleby policy. For the solution 9f 2nd…

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A: Expression of acceleration,d2xdt2=8x3-xBoundary condition, at x=0, U=0

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A: Given data as below: Angle between the DC θ = 45o Angular velocity of link DC = ωDC = 4 rad/s…

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Q: An auxiliary power unit (APU) is a relatively small, self-contained generator used in aircraft to…

A: To find: The probability that the failure occurs at the 20th flight test?

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Q: a tank of volume 1m3 initially contains steam at 60 bar 320 degrees celsius . stream is stream…

A: Now here the given data as below: Tank volume v = 1 m3 Initial Pressure P1 = 60 bar Initial…