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Mechanical Engineering

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Q: The concrete block weighing 644 lb is elevated by the hoisting mech- anism shown, where the cables a...

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Q: Calculate the shear force and bending moment for the beam subjected to the loads as shown in the fig...

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Q: A commercially-pure copper wire originally 10.00 m long is pulled until its final length is 10.10 m....

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Q: Determine the internal resisting forces and moment trans- mitted by section aa in Bar AB of the sign...

A: As it is given that the mass of the sign board is m=25 kg. The free body diagram for the beam is giv...

Q: Describe the working principle of four-cycle process of a Diesel engine.

A: The diesel engine works on the principal of diesel cycle. Which consists of four processes. The PV a...

Q: question is image (system dynamics and control)

A: When pressure at section has to be find out then we go for the Bernoulli’s equation. The Bernoulli’s...

Q: See the figure below. AD is a member with varying diameters. There are three axial loads applied at ...

A: Given data: The magnitude of the force acting at the point B is; F1=10 lbs. The magnitude of the fo...

Q: The couple M is applied to a beam of the cross section shown in a plane forming an angle β with the ...

A: Given:

Q: A small-angle tilt boundary has a misorientation of 0.1◦. What is thespacing between the dislocation...

A: Given: Angle of tilt = 0.1o Burger vector, b=0.33 nm

Q: 6.123E A piston/cylinder has R-410A at 60 psia and compresses it in a reversible adiabatic process t...

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Q: Please solve all parts send only handwritten

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: Shown in Figure is a cross-sectional view through muscle, showing actinand myosin filaments. Knowing...

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Q: Situation 8. The 40lb door is supported by hinges at A and B. The y-axis is vertical. The hinges do ...

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Q: The block is subjected to the eccentric load shown. Sketch the normal-stress distribution acting ove...

A: Given Applied load = 150 kN To find The normal stress distribution

Q: Define the resultant hydrostatic force acting on a submerged surface, and the center of pressure.

A: Resultant hydrostatic force and center of pressure:

Q: Show, using Mohr’s circle, that the depth of a tensioncrack is zcr=2 s u / γSat for a saturated clay...

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Q: 12–115. The automobile is originally at rest at s = 0. If its speed is increased by i = (0.0512) ft/...

A: Given: The expression for the acceleration is v˙=0.005t2 ft/s2 Calculate the acceleration for t=18...

Q: R16-2. Starting at (ma)o = 3 rad/s, when 0 = 0, s = 0, pulley A is given an angular acceleration a =...

A: Calculate the angular displacement of the of pulley C corresponding to the displacement s=0.5 m of b...

Q: The double pulley shown is attached to a 10-mm-radius shaft that fits loosely in a fixed bearing. Kn...

A: Given data as per question The radius of shaft = 10 mm Weight =20 kg Static friction between the sha...

Q: 1: Determine the magnitude of F, and length y if F;=1500 N and x =1.75 m. You may assume that the te...

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Q: A blade held in a brace is used to tighten a screw at A. (a) Determine the forces exerted at B and C...

A: Given Resultant R = −(25 N)i + Ryj + Rzk Resultant moment at A = = −(13.5 N·m)i To find Forces exert...

Q: Determine the volume and weight of the solid brass knob shown, knowing that the specific weight of b...

A: Given data as per the question The specific weight of brass = 0.306 lb/in3 dividing the structure in...

Q: For the beam and loading shown, design the cross section of the beam knowing that the grade of timbe...

A: Given data: Allowable normal stress, σallow=1750 psi load , w= 1.5 kips/ft b = 5 in h = ? Find: 1. ...

Q: The bar has a cross-sectional area of 400(10−6) m2. If it is subjected to a uniform axial distribute...

A: For the F.B.D of the shaft. For the equilibrium of the shaft in horizontal direction.

Q: Knowing that P= 90 lb and Q = 60 lb, determine the components of all forces acting on member BCDE of...

A: The force acting on the member is Q=60 lb. The force acting on the member BCDE is P=90 lb.

Q: Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747°C, and 80 m/s, and they e...

A: Given data P1=260 KPaT1=747°cV1=80 m/sP2=85 KPa

Q: A hydrometer fl oats at a level that is a measure of thespecifi c gravity of the liquid. The stem is...

A: Given: Diameter of the stem =D, weight of the bottom stabilizer=w, specific weight of the water =γo...

Q: Two steel plates have been welded together to form a beam in the shape of a T that has been strength...

A: Given: The modulus of the elasticity for wood and steel are Ew=12.5 GPa and Es=200 GPa respectively...

Q: A rod of square 30x 30mm^2 cross-section subject to a compressive axial force of 72kN and a twisting...

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Q: A tank with an internal volume of 1 m3 contains air at 800 kPa and 25°C. A valve on the tank is open...

A: Given: The volume of the tank is V=1 m3. The initial pressure and temperature of the tank is P1=800...

Q: The corners of the square plate are given the displacements indicated. Determine the shear strain at...

A: Given diagram of square plate:

Q: Why is incremental positioning usually used with an axis return?

A: The absolute coordinates system the reference each position on the work piece is same or origin wher...

Q: 9-59. The A-36 steel rod has a diameter of 50 mm and is lightly attached to the rigid supports at A ...

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Q: Using an allowable stress of 16 ksi, determine the largest couple that can be applied to each pipe.

A: a) Cross section of the pipe A Maximum alowabe stress σ = 16ksiMoment of inertia of the circular se...

Q: A fan with 24-in-diameter blades moves 2000 cfm (cubic feet per minute) of air at 70°F at sea level....

A: Given that, Diameter of fan, D=24 in,Volume flow rate through the fan, V˙=2000 cfm,Temperature of ai...

Q: Determine the force in members DG, FG, and FH of the truss shown.

A: given data as per question Force applied at point D and G =5 kips considering a section of the given...

Q: A refrigeration system like the one shown in the figure, in cascade uses R-22 refrigerant in the low...

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Q: What is a blackbody? How do real bodies differ from a blackbody?

A: Thermal radiation is the mode of heat transfer which do not required any medium to propagate. This r...