1. Oxygen at 30°C and 300 kPa absolute pressure expands isotherrnally to an absolute pressure of 120 kPa. Determine the final density of the gas. Ans. 1.52 kg/m³

Q: Compute the higher, lower, and equilibrium heats of combustion for methanol CH3OH (4).The…

A: given : CH3OH

Q: Calculate the moment Mg of the 810-N force about the bolt at B. Simplify your work by first…

A:

Q: 2. Replace the force-couple system shown below with an equivalent force-couple system at point A.…

A: Given data: F1=3 kNF2=7 kNF3=3 kNM=5 kN.m Need to determine the equivalent force and couple vector…

Q: Calculate the force acting on a 30-cm diameter porthole of a ship if the center of the porthole is…

A: hydrostatic force acting on porthole F=ρgAh data given in question:h =14m, ρ=1000kg/m3,…

Q: A 4-m x 5-m x 6-m room is to be heated by a baseboard resistance heater. It is desired that the…

A: Given Data The intial temperature of the room is:Ti=7°C The final temperature of the room…

Q: A piece of steel rebar is tested in tension to determine its mechanical properties. The length of…

A: The given data is mentioned in the following attached image:

Q: Determine the position of the centroid of the cross-section about the y-axis of the shaded area…

A: To find centroid

Q: 2-13 A river flowing steadily at a rate of 240 m³/s is con- sidered for hydroelectric power…

A: Given:-  Water flow rate (Q) = 240 m3/s  Elevation difference (h) = 50 m  To Find:-  Power generated…

Q: A ferry transports tourists among three islands. It sails from the first island to the second…

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Q: Four people are attempting to move a stage platform across the floor. If they exert the horizontal…

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Q: In the figure below, the tank contains water and immiscible oil. What is h in cm if the density of…

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Q: the work done (W12) in (kJ) is Below 10 O Between 10 and 30 O Between 30 and 50 O Between 50 and 70…

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Q: In variable geometry wind tunnel where only nozzle and diffuser throat areas are made variable. True…

A: False Also nozzle and diffuser area variable with throat area

Q: the final volume (V2) in (m3) :is Below 0.2 O Between 0.2 and 0.4 O Between 0.4 and 0.6 Between 0.6…

A: Given that: Initial pressure and quality is P1 = 200 kPa and x1 = 0.7 respectively. Initial volume…

Q: For real diffusers the exit velocity can be practically equal to zero. O True O False

A: Answer : FALSE DIFFUSER: It is a device which slows down the fluid motion .  In this device velocity…

Q: The specialty wrench shown in the figure is designed for access to the hold-down bolt on certain…

A: Given data: F=290 Na=80 mmd=115 mmh=170 mmθ=26° Need to determine the moment about the point O and…

Q: The temperatures on the left and right surfaces of a 15-cm thick wall are 375C and 85C . The wall is…

A: Given:Wall thickness, L=15 cmLeft side wall temperature, T1=375oCRight side wall temperature,…

Q: Calculate the force acting on a 30-cm diameter porthole of a ship if the center of  the porthole is…

A: Given that: d = diameter of the porthole = 30 cm h = depth of center of the porthole from water…

Q: Each chain AC and AB in can support a maximum tension of B 450 lb before it fails. 12 13 ច A 30° C

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Q: Draw the Material Science tetrahedron and discuss briefly the interrelation of each component.

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Q: Four people are attempting to move a stage platform across the floor. If they exert the horizontal…

A: Given  F1 = 77 lb, F2 = 76 lb, F3 = 48 lb , F4 = 75 lb, a = 81 in. , b =64 in. ,  θ = 43o   To…

Q: The sides of a triangular area measure 2 m, 3 m, and 3 m respectively. Calculate the force of water…

A: Given:Sides of a triangle, =2 m, 3 m, 3 mPosition of 2 m side, = horizontal and 10 m below the…

Q: A 4-m x 5-m x 6-m room is to be heated by a baseboard resistance heater. It is desired that the…

A:

Q: If a frisbee is thrown 25m in a straight line and returns exactly to the spot it was thrown, what is…

A: Given data: The frisbee is thrown 25 m in a straight line and then it returns exactly to the spot it…

Q: A U-tube manometer filled with mercury is attached to a gas tank. The level of  mercury on the open…

A: Given data: h=40 cm Need to determine the gauge and absolute pressure inside the tank.

Q: 1. Determine the magnitude and direction with respect to the +x axis on the reaction at A and at C.…

A:

Q: 5. What is the injection duration (deg) needed for fuel injection in a single cylinder dies perating…

A: Given   Speed, N = 1450 rpm   Power, P = 52 kW        BSFC = 0.25bkg/kW.h      Area, A = 1.5 mm2…

Q: As shown in the figure below, a cylinder fitted with a piston is filled with 700 lb of saturated…

A: Given:Mass of ammonia in the cylinder, m=700 lbTemperature of ammonia, T=45°FWeight of piston, W=1…

Q: Two equal and opposite couples of magnitude M = 23 kN-m are applied to the channel-shaped beam AB.…

A:

Q: Calculate the moment Mg of the 880-N force about the bolt at B. Simplify your work by first…

A:

Q: The force F has a magnitude of 730 N. Express F as a vector in terms of the unit vectors i and j.…

A: The given data is shown in the following attached image:

Q: Part D As shown a system of cables supports a bucket. (Figuts 2) The dimensions in the figure are as…

A: Given Weight = 20.5 lb To find Tension  TA TB TC

Q: A centrifugal pump is pumping oil with p = 860 kg/m³ at a rate of 0.1 m³/s. The inlet and outlet…

A: Given: Density of the pumping oil:→ρ=860 kg/m3 Flow rate→Q=0.1 m3/s Inlet diameter→Di=8 Cm=0.08 m So…

Q: 1. Determine the force carried by members BC,BD and CD of the truss below, using method of sections.

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Q: 1. Determine the magnitude and direction with respect to the +x axis on the reaction at A and at C.…

A: Given,

Q: The normal shock wave moves toward the back tank at underexpansion flow regime during the operation…

A: Given:  The Normal Shock wave moves toward the back tank at under expansion flow regime during the…

Q: a 1 m-wide by 2 m-high window is composed of two 5 mm-thick glass panes, seperated by an air space…

A:

Q: Otto cycle has a compression ratio of 8. Before the compression, the air is at 280 k, 85 kPa. The…

A: given; compression ratio(r)=8specific heat ratio for air(k)=1.4otto cycle efficienvcy(η)=?

Q: 4) Figure shows a gas contained in a vertical piston-cylinder assembly. The total mass of the piston…

A: Write the given data. m=100 kg∆U=0.1 kJ∆PE=0.2 kJPatm=1 barg=10 m/s2A=0.01 m2

Q: The maximum temperature in : the cycle (in degree Kelvin) is Otto cycle has a compression ratio of…

A: 1) The Maximum cycle temprature =2676.470k OPTION 3 - BETWEEN 2500-2750K 2) The Exhaust temperature…

Q: A piece of metal weighs 377.8 kN in air. When submerged in oil, it weighs 102.5 kN. Find the volume…

A: Given data as per questionWeight of metal in air=377.8 kNWeight of metal When submerged in oil=102.5…

Q: Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the…

A: Given  Tension in cable AD = 541 N  To determine  vertical force exerted by the balloon at A

Q: Which tools that can be used to :2 draw the following shape in .AutoCAD 9.

A: Given:

Q: The force systems shown consists of the couple C and four forces. If the resultant of the system is…

A:

Q: Calculate the moment Mg of the 625-N force about the bolt at B. Simplify your work by first…

A:

Q: 51ft3 tank contains 31lb of gas at 80 degrees Fahrenheit and a vacuum pressure of 24 in Hg. a) What…

A: Given:Vomule of the tank, V=51 ft3Mass of gas in the tank, m=31 lbTemperature of gas in the tank,…

Q: Consider a crank rocker mechanism with L₁ = 90 mm, L₂ = 180 mm, and L3 = 270 mm. The design…

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Q: The impulse at exit section of an isentropic converging-diverging nozzle operates at chocking…

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Q: 1. Consider a four bar linkage with the following links: L₁ = 180mm, L₁ = 40mm, L₂=170 mm. Using…

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Q: 100 lb A 80 lb IN 80 lb Figure 1 100 lb 100 lb 200 lb

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