A mass of 30kg is hung from a steel wire of radius 7cm and length of 40m. What should be the minimum radius of wire so that the elastic limit is not exceeded, if the elastic limit for steel is 2.4 x 10^8 N/m2?

Q: Q18. A 1.1-kg ball is being pushed by a rod in the vertical plane along a curved path with equation ...

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Q: In an air-standard Otto cycle, air is supplied at 0.1 MPa and 308 K. The ratio of the specific heats...

A: Given:P1=0.1 MPaT1=308 Kγ=1.4R=288.8 J/kg.Kr=8Tmax=T3=2660 K

Q: Find the Normal Stress at points A, B, and C

A: To Find the Normal Stress at points A, B, and C 

Q: applied as shown (F= 10KN). Compute the stress due to tension at each critical section (A, B, and C)...

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Q: 1. Helium expands polytropically through a turbine according to the process pv15 =C. The inlet tempe...

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Q: Q11. Peg Pis driven by the fork link OA along the curved path described by r = (C·0) m, where C= 3.1...

A: Solution: Given Data: r=CθC=3.1θ=1.3 radθ.=1.8 rad/sθ..=1.5 rad/s2

Q: 4 kN A 10 kN-m 2 m 3 m 1 m

A: Draw the bending moment and shear force diagram for the given beam

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Q: A small ship capable of making a speed of 6.1 knots through still water maintains a heading due east...

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Q: C cord 2m 1.5m 10 N B. 56 N.m 2.5m E- 0.25m F 3m 1.5m 3m

A: Find the reactions at point B on member ABC

Q: What is the shear rate of a

A: Given: flow rate= 10 kg/min density=0.9 g/c L=10 cm w=25 mm t=3 mm To determine: shear rate

Q: A certain streched wire 120 cm long and 2.4 mm in diameter is fastened to a point in the ceiling. An...

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Q: kw per cylir of the crank and combu

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Q: 2. The crate shown in the figure has a mass of 120 kg., coefficient of static friction HS=0.6, and t...

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Q: Gas at 1.5 bar abs. and 20 °C in a closed vessel is compressed to 10 bar abs. Its compressed tempera...

A: The value of 'n' can be calculated using the characteristics equation for Polytropic processes which...

Q: nd out the COP of a Carnot heat pump operating between 6°C and

A: Given:High temperature of heat pump, T1=37o C or 310 KLow temperature of heat pump, T2=6o C or 279 K

Q: 108 2, 7. If a rod travels with a speed V = 0.6c along its length. Calculate the percentage of contr...

A: Given, Speed of rod = V = 0.6 c  Here, c = speed of light   Let us represent, Original length (lengt...

Q: Determine the absolute viscosity of mercury in N.s/m2 if the viscosity in poises is 0.0158.

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Q: Determine the non-flow exergy of 2.5-kg of steam at 800 kPa and 300 °C, assuming TO = 20°C and PO = ...

A: Given Mass of steam = 2.5 kg Temperature = 300 °C , Pressure = 800 kPa T0 = 20 °C and P0 = 100 kPa  ...

Q: The steel beam has the cross section shown. The beam length is L= 18 ft, and the cross-sectional dim...

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Q: Question: A particle P moves along the spiral path r=(10/θ)ft, where θ is in radians.  Part A: If i...

A: Dear student,                    According to the guidelines I am allowed to answer only three sub-p...

Q: ing oil (SG=0.90) with its top surface open to the atmosphere is shown below. determine the magnitud...

A: Given:SG=0.90d=4 mw=2 mR=1.5 m

Q: F4 The tube is filled with mercury from A to B. and with water from B to C. Determine the height h o...

A: Given: The liquids used in tube are water and mercury.

Q: The rod OA rotates clockwise with a constant angular velocity of 6 rad/s. Two pin-connected slider b...

A: Position of point B is given by equation as, r=2002-cosθ  ............ (1) Putting θ=105°  &    ...

Q: Compute the coordinates of the centroid (x, g) of the area shown. y y = a /bx Values for dimensions ...

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Q: The pulley and gear are subjected to the loads shown. For these forces, determine the equivalent for...

A: Given Data  Given force system.

Q: A pressure of 1.2 M Pascal is applied to 650 litres of liquid, causes a volume reduction of 1.5 litr...

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Q: A steel bolt is subjected to an axial load between two rigid plates so the length of the bolt remain...

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Q: system of blocks is pulled by a force P. The string connecting blocks A and B passes over a pulley w...

A: The ratio of tensions on the ropes of the pulley is related by the formula given below as- T1T2=eμθ ...

Q: The 3/4" bolts holding the steel plates together below can withstand a maximum shear stress of 36 ks...

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Q: Find the density at 40,000 ft altitude in a standard atmosphere. *

A: Given that: Altitude = 40000 ft. It is required to determine the density at the given altitude and s...

Q: A Simple Rankine cyele work hetueen pressure 3400 kA9and bakparthe initialCanelitian of steam being ...

A: Rankine cycle processes 1-2  isentropic expansion in turbine. 2-3 heat rejection at constant pressur...

Q: Why does the viscosity of a gas generally decrease with decreasing temperature whereas for a liquid ...

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Q: 2 kg of air at 500 kPa, 80°C expands isentropically in a non-flow system until its volume doubles, t...

A: Mass of air m=2 kgT1=80°C+273=353 KP1=500 kPav1=vExpands isentropically and final volume v2=2v1Ambie...

Q: 14. Find the distance x along AB, at which a horizontal force of 60N should be applied to hold the u...

A: Since the incline and the floor are smooth no frictional force will be involved, Finding angle θ1 a...

Q: speed of rotation of table so that one-third of the area of the bottom of cylinder gets exposed. At ...

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Q: A centrifugal pump has NPSH required of 25 ft. The water temperature is 90 deg. Fahrenheit and the f...

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Q: A submersible pump ght of 5 ft from the O ft below the groun

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Q: su ne liquid is volumo of th

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Q: Problem 1. A 200 gm apple is thrown from the edge of a tall building with an initial speed of 20m/s....

A: Given data,  u= 20 m/s  v= 50 m/s  m= 200 gm =0.2 kg 

Q: Cable AB exerts force د. ارشد ناظم شتر a of 80 N on the end of the 3-m long boom. Determine Fr ,Fg a...

A: Given data F=80 N Need to determine the x, y and z component of the resultant.

Q: heat engine operates between the maximum and minimum temperatures of 6710 C and  600 C respectively,...

A: Given data as per question  maximum temperature =6710 c and minimum temperatures =600 CTemperature d...

Q: Initially, a gas is subjected to standard atmospheric pressure with a temperature reading of 289K an...

A:    Given: The temperature reading initially, T1 = 289 K The volume of gas initially, V1 = 2830 liter...

Q: - Differentiate between engineering stress and true stress.

A: Stress: It is the ratio of the load applied on the body per unit area

Q: One mole of gas undergoes the cycle shown in the p-V diagram below. Po Po/32 Vo 2Vo 8 Vo Volume 16 V...

A: GIVEN DATA - A THERMODYNAMIC CYCLE GIVEN WE HAVE TO ANSWER ALL THREE POINT

Q: Determine the Bulk modulus of elasticity of a liquid, if the pressure of the liquid is increased fro...

A: Given data,  P1=70 N/cm²  P2=130 N/cm²  Volumetric strain is given = -∆V/V=0.15% or 0.0015  

Q: Calculate the Mean Effective Ratio of a spark-ignition engine which has a compression ratio of 10 an...

A: Calculate the final temperature after compression. T1V1γ-1=T2V2γ-1T2=T1V1V2γ-1=835.2+273101.4-1=2783...

Q: Example 7.8: (Application of equation(7.42) for a thin hollow circular bar) (a) Obtain the value of ...

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Q: In the figure shown below, set F1 710 lb, F2 = 120 lb, F3 = 320 lb, the shaft diameter to 0.5 in, th...

A:   Given: The force along the x-axis, F1 = 710 lb The force along the y-axis, F2 = 120 lb The force a...

Q: The stepped shaft shown in the figure is supported by bearings at A and B. Determine the maximum str...

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Processing of Polymer Matrix Composites

The polymer matrix composite is described as a composite material that contains some polymer in the form of either fibers or powder. Polymer matrix composites are also known in short as PMC's.