Thermodynamics 1. Determine the useful power consumed by an air compressor in a polytropic process from 1bar and 20C to 8bar. The air flow is 1.5 kg/s. The polytropic coefficient is 1.25

Q: Determine the maximum absolute value of the shear.

A: Given: P = 6.5 KN To find: | Vmax |

Q: Learning Goal: To solve for the support reactions of a frame. The frame shown in (Figure 1) is…

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Q: In a wind tunnel air enters with a velocity of 200kmph. The static pressure and temperature of the…

A: Calculating Mach number, stagnation temperature, stagnation pressure and the stagnation density on a…

Q: Calculate the pressure and density of air at a height of 4000 m from sea-level where pressure and…

A: Given Dataz=4000mPo=10.143 N/cm2=10143 N/m2dTdz=-0.0065°C/mρ=1.285 kg/m3

Q: Find: centroidal Ix, = centroidal ly lx = ly= y| 1 in

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Q: Find: centroidal centroidal lx = ly= Ix, = ly =

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Q: Briefly discuss the slip process and determine if small-angle grain boundaries or high-angle grain…

A: Slip Process: Slip mainly occurs by the passage of dislocations on close packed planes where as the…

Q: An 18-kg slab slides down a 15° inclined plane on a 3 mm thick film of oil with viscosity μ=0.0814…

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Q: Q-2) A company makes two kinds of door Knobs, standard and deluxe ,the making process cost the…

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Q: A differential manometer is connected at the two points A and B as shown. At B air pressure is 9.82…

A: Given:Pressure at B, PB=9.82 N/cm2Specific gravity of oil, SGo=0.81Distance, C=24 cm=0.24 mDistance,…

Q: Water is the working fluid in an Ideal Rankine cycle. Steam enters the turbine at 1400 lbp/in² and…

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Q: In a gas manufacturing plants, they presented a horizontal tube in which a gas assumed to be ideal…

A: Given:  Nitrogen Gas,  V1 = 5.6 mi/h = 5.6 x 0.44704 = 2.50342 m/s T1 = 761.67 R = 761.67 x…

Q: Q4. Sketch the acceleration vector diagram for the engine mechanism below in fig.4, clearly…

A: The acceleration of any link has two components : 1. Radial component : It always along the link. 2.…

Q: Rank the magnitudes of the diffusion coefficients from greatest to least for the following systems:…

A: Diffusion coefficient is the amount of particular element that diffuses across a unit area in 1 s…

Q: A differential manometer is connected at the two points A and B as shown. At B air pressure is 9.835…

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Q: Water is the working fluid in an ideal Rankine cycle. Steam enters the turbine at 1400 lb-/in² and…

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Q: Determine the kinematic viscosity (Stokes) of oil having the relative density as 0.91. The shear…

A: GivenS.G=0.91τ=1.51 N/m2dVdS=0.31 s-1

Q: (a) Determine the resultant of the force system shown. Locate the resultant with respect to point A.…

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Q: slider A is The motion of the defined by the relation x = 20 sin(kt - k₂t2), where x and t are…

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Q: Set P₁ = 7 kN, P₂ = 8 kN . (Figure 1) Figure 4m B E 4m 4 m 6 m D

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Q: What pressure is required to reduce the volume of water by 0.6 percent? Bulk modulus of elasticity…

A: Percentage reduction in volume of water, (∆V/V)*100% = 0.6 %  (∆V/V) = 0.6/100 = 0.006  Bulk modulus…

Q: H B 10 kN 4 - 2m panels = 8m C 25 KN ID ,15 kN E

A: We have to find forces in GF, GD and CD

Q: 4. Oil of s.g.=0.85 is flowing in a pipe under the conditions shown in Fig. III. If the total head…

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Q: 1. Determine the mass flow rate in lbm/s of a liquid (p = 0.8 g/cm³) flowing through a 2 in (inside…

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Q: The outer surface of a steel alloy is to be hardened by increasing its carbon content. The carbon is…

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Q: A composite area consisting of a rectangle, semicircle, and triangular cutout is shown. Calculate…

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Q: 3.) A fluid has a temperature of 100C and thermal film coefficient of W 50 Solve for the heat…

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Q: 3. A skater weighing 500 N skates at 10 m/s and is supported by an average skating area of 10 cm².…

A: (3.) Given: w=500N v=10m/sA=10cm2 μ=1cp=0.01 poise μf = 0.02   To find: The film thickness,h

Q: X Incorrect A particle moving in the x-y plane has a position vector given by r = 3/2t² i + 2/3t³j,…

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Q: 2. Determine the possible range for R is the equivalent spring stiffness constant varies from 50 N/m…

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Q: The pressure in a gas tank is 2.75 atmospheres. Compute the pressure in (a) psi, (b) pascals, and…

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Q: A centrifugal pump operating under steady flow conditions delivers (2000 + K) kg/min of water from…

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Q: Steam enters a converging–diverging nozzle at 1 MPa and 500°C with a negligible velocity at a mass…

A: Dear student, I have used standard steam tables for data.

Q: A roof has 2 types of insulating material placed inside it. The materials are 10 cm insulating foam…

A: Given: Length of the insulated foam→L=10 Cm=0.10 m And length of another material is same as another…

Q: Consider the beam and loading shown where P= 130 kN. NOTE: This is a multi-part question. Once an…

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Q: A typical water-to-oil ratio for emulsified oils is which one of the following: 20:1 5:1 10:1 30:1…

A: In three-phase systems known as water-in-oil-in-water type multiple emulsions (w/o/w emulsions),…

Q: The following data are obtained from a tensile test of a copper specimen. - The load at the yield…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: The weight of the box, shown in the figure, is 145 kg. determine the tension forces in the ropes AB,…

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Q: A small 5-kg sphere moves at a constant speed along the horizontal circular path. Note that ACB is a…

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Q: Can you please explain how to solve streamlines, pathlines and streaklines please. I would like to…

A: Streamlines, pathlines, streaklines of a fluid can be solved by the differential equations of the…

Q: Random Error  B. Gross Error C. Systematic Error  EXPLAIN!

A: This question is based on the concept of errors in measurement.

Q: In the communicating vessels with diameters Di=8 cm and 02=4 cm, a liquid of den is poured sity…

A: Since the density of the body is lesser than the density of liquid ( p0<p), the body will float…

Q: What are the units of measurement for stress?

A: Step-1 Stress is basically the measure of an external force which acts over the cross sectional area…

Q: The following is an observation made during a trial on a 4-stroke diesel engine. The engine absorbs…

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

Q: The passengers, the ship and the structure have a total mass of 73 Tons, their center of mass in G,…

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Q: 3- A sport man make a jump ,the vertical position of his center of gravity can be expressed as the…

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Q: x = r [(1 - cos cos 0) + sin² 01 2n Vp = rw [sin 0 + [sin 0 + sin20] cos 201 2n Ap = r w² [cos 0 + -…

A: For a piston cylinder arrangement, it is required to determine: x = r1 - cosθ + sin2θ2n    (Piston…

Q: The composition of the α in an 42 wt% griffinium alloy at 662 degrees centigrade is (enter the wt%…

A: Givengriffinium alloy Gr=42 wt% at 662oC

Q: F4-23. Draw the moment diagrams for the frame. Assume the frame is pinned at C and the members are…

A: Draw the free-body diagrams of BC.

Q: A hot-water stream at 90 °C enters an insulated mixing chamber with a mass flow rate of mh=0.75 kg/s…

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Laws of thermodynamics

Thermodynamics is a field of research, which needs the creation of absolute and ideal states and logical and practical examination of the actual conditions. By considering all the laws and theories of thermodynamics, the chemical reactions, the occurrence of processes, and physiological functions can be predicted with this field.