The rigid L-shaped member ABC is supported by a ball and socket at A and by three cables. Determine the tension in each cable and the reaction at A caused by the 500-lb load applied at G. 15 in 15 in...

The two mooring cables exert forces on the stern of a ship as shown. Represent each force as a Cartesian vector and determine the magnitude and direction of theresultant. F,= 150 lb = 200 lb 50 ft...

An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a condenser at 800 kPa and the evaporator at - 12oC. Determine this system's COP and the...

Solid calcium fluoride (CaF 2 ) reacts with sulfuric acid to form solid calcium sulfate and gaseous hydrogen fluoride. The HF is then dissolved in water to form hydrofluoric acid. A source of calcium...

Consider an NACA 2412 airfoil with a 2-m chord in an airstream with a velocity of 50m/s at standard sea level conditions. If the lift per unit span is 1353 N, what is the angle of attack?

Determine the force in each cable and the force F needed to hold the lamp of mass M in the position shown. Hint: First analyze the equilibrium at B; then, using the result for the force in BC,...

A distillate containing 45 wt% isopropyl alcohol, 50 wt% diisopropyl ether, and 5 wt% water is obtained from the heads column of an isopropyl alcohol finishing umt. The company desires to recover the...

A 30.2 half-angle wedge is inserted into a free stream with M, = 3.5 and p = 0.5 atm. A Pitot tube is located above the wedge surface and behind the shock wave. Calculate the magnitude of the...

In the figure shown, shaft A, made of AISI 1010 hot-rolled steel, is welded to a fixed support and is subjected to loading by equal and opposite forces F via shaft B.A theoretical stress...

The horizontal rod OA rotates about a vertical shaft according to the relation = 10t, where and t are expressed in rad/s and seconds, respectively. A 0.5-lb collar B is held by a cord with a...

Determine the magnitude and direction of the minimum force P needed to pull the roller of mass M over the smooth step. Given: a = 0.6 m b = 0.1 m 1 = 20 deg M = 50 kg g = 9.81m/s2 Mg FB (a - b asino

The viewing window in a diving suit has an area of roughly 65 cm 2 . If an attempt were made to maintain the pressure on the inside of the suit at 1 atm, what force (N and lbf) would the window have...

Ethyl acetate has a vapor pressure of 118.3 mm Hg at 29.5C and a normal boiling point of 77.0C. Estimate the vapor pressure at 45C using (a) The Antoine equation and constants from Table B.4: (b) The...

The Geneva mechanism shown is used to provide an intermittent rotary motion of disk S. Disk D rotates with a constant counterclockwise angular velocity ?D of 8 rad/s. A pin P is attached to disk D...

A vapor mixture containing 30 mole% benzene and 70% toluene at 1 atm is cooled isobarically j, a closed container from an initial temperature of 115C. Use the Txy diagram of Figure 6.4-1 to answer...

You choose to investigate some of the solubility guidelines for two ions not listed in Table 4.1, the chromate ion (CrO42-) and the oxalate ion (C2O42-). You are given 0.01 M solutions (A, B, C, D)...

Flow of a fluid with a suddenly applied constant wall stress, in the system studied in Example 4.1-1, let the fluid be at rest before t = 0. At time t = 0 a constant force is applied to the fluid at...

Consider a horizontal, thin-walled circular tube of diameter D = 0.025 m submerged in a container of n-octadecane (paraffin), which is used to store thermal energy. As hot water flows through the...

The 500-lb force acting on the frame is to be resolved into two components acting along the axis of the struts AB and AC. If the components of force along AC are required to be 300 lb, directed from...

For an iron-carbon alloy of composition 5 wt% C-95 wt% Fe, make schematic sketches of the microstructure that would be observed for conditions of very slow cooling at the following temperatures:...

Consider the one-dimensional wall shown in the sketch, which is initially at a uniform temperature T j and is suddenly subjected to the convection boundary condition with a fluid at T . For a...

In the production of sheet metals or plastics, it is customary to cool the material before it leaves the production process for storage or shipment to the customer. Typically, the process is...

A process consists of an integrating element operating in parallel with a first-order element (Figure). (a) What is the order of the overall transfer function, G(s) = V(s)/U(s)?(b) What is the gain...

To measure Ca in breakfast cereal, 0.521 6 g of crushed Cheerios was ashed in a crucible at 600ºC in air for 2 h.32 The residue was dissolved in 6 M HCl, quantitatively transferred to a...

Cumene (C 6 H 5 C 3 H 7 ) is produced by reacting benzene with propylene [?H? r (77?F) = ? 39.520 Btu/lb-mole]. A liquid feed containing 75 mole% propylene and 25% n-butane and a second liquid stream...

An enthalpy-concentration diagram is given in Figure for a mixture of n-hcxanc (H). and n-octane (0) at 101 kPa. Using this diagram, determine the following: (a) The mole-fraction composition of the...

A Mansard roof truss is loaded as shown. Determine the force in members GI, HI, and HJ. 12 AN 12 AN 12 kN 12 kN 12 kN |C +4 m++4 4 m- m +4 m+ 2.25 m 2.25 m

Using Raoults law or Henrys law for each substance (whichever one you think appropriate), calculate the pressure and gas-phase composition (mole fractions) in a system containing a liquid that is 0.3...

Locate the centroid y of the composite area, then determine the moment of inertia of this area about the x;axis. 240 mm 50 mm 50 mm 400 mm 50 mm 1150 mml150 mml

A boron-doped carbon was prepared by adding 0.1 wt % B to a graphitized carbon black (Monarch 700, Cabot Corp.) and then heat treating this material, designated BC-1, at 2773 K under Ar [71,72]. Its...

The arched surface AB is shaped in the form of a quarter circle. If it has a length L, determine the horizontal and vertical components of the resultant force caused by the water acting on the...

Two forces of magnitude TA = 8 kips and TB = 15 kips are applied as shown to a welded connection. Knowing that the connection is in equilibrium, determine the magnitudes of the forces TC and TD. Ts Tc

Heat conduction in a spherical shell (Fig. 11B.4), a spherical shell has inner and outer radii R 1 and R 2 . A hole is made in the shell at the North Pole by cutting out the conical segment in the...

At a given instant, the position of a plane at A and a train at B are measured relative to a radar antenna at O. Determine the distance d between A and B at this instant. To solve the problem,...

A mixture of ethanol (ethyl alcohol) and water contains 60.0% water by mass. (a) Assuming volume additivity of the components estimate the specific gravity of the mixture at 20oC. What volume (in...

Calculate [HY3-] in a solution prepared by mixing 10.00 mL of 0.010 0 M VOSO4, 9.90 mL of 0.010 0 M EDTA, and 10.0 mL of buffer with a pH of 4.00.

A 0.3-m3 rigid tank is filled with saturated liquid water at 200°C. A valve at the bottom of the tank is opened, and liquid is withdrawn from the tank. Heat is transferred to the water such that...

Freezing of a spherical drop (Figure 11B.10) to evaluate the performance of an atomizing nozzle, it is proposed to atomize a nonvolatile liquid wax into a stream of cool air. The atomized wax...

An orifice meter (see Figure 3.2-1) is to be calibrated for the measurement of the flow rate of a stream of liquid acetone. The differential manometer fluid has a specific gravity of 1.10. The...

A counter flow, twin-tube heat exchanger is made by brazing two circular nickel tubes, each 40 m long, together as shown below. Hot water flows through the smaller tube of 10-mm diameter and air at...

The force F acts on the gear tooth. Resolve this force into two components acting along the lines aa and bb. Given: F = 20 lb θ1 = 80 deg θ2 = 60 deg

Two 15-kg cannon balls are chained together and fired horizontally with a velocity of 165 m/s from the top of a 15-m wall. The chain breaks during the flight of the cannon balls and one of them...

An oscillating water sprinkler is operated at point A on an incline that forms an angle ? with the horizontal. The sprinkler discharges water with an initial velocity v0 at an angle ? with the...

A continuous cable of total length l is wrapped around the small pulleys at A, B, C, and D. If each spring is stretched a distance b, determine the mass M of each block. Neglect the weight of the...

The chemical reactor shown below has a cover (called a head) that is held in place by a series of bolts. The head is made of stainless steel (SG = 8.0), is 3 in. thick, has a diameter of 24 in., and...

The start-up procedure for a batch reactor includes a heating step where the reactor temperature is gradually heated to the nominal operating temperature of 75 o C. The desired temperature profile...

Estimate the vapor pressure of acetone (mm Hg) at 50C (a) From data in Perrys Chemical Engineers Handbook and the ClausiusClapeyron equation, (b) From the Cox chart (Figure 6.1-4), and (c) From the...

The Prism gas permeation process developed by the Monsanto Company is highly selective for hydrogen when using hollow-fiber membranes of materials such as silicone-coated polysulphone. In a typical...

A utility hook was formed from a round rod of diameter d = 20 mm into the geometry shown in the figure. What are the stresses at the inner and outer surfaces at section AA if F = 4 kN, L = 250 mm,...

The storage tank of a water tower is nearly spherical in shape with a radius of 30 ft. If the density of the water is 62.4 lb/ft3, what is the mass of water stored in the tower, in lb, when the tank...

An ASTM cast iron has minimum ultimate strengths of 30 kpsi in tension and 100 kpsi in compression. Find the factors of safety using the MNS, BCM, and MM theories for each of the following stress...

Steady-state temperatures (K) at three nodal points of a long rectangular rod are as shown. The rod experiences a uniform volumetric generation rate of 5 X 107 W/m3 and has a thermal conductivity of...

The reaction between ethylene and hydrogen bromide to form ethyl bromide is carried out in a continuous reactor. The product stream is analyzed and found to contain 51.7 mole% C2H5Br and 17.3%HBr....

What mass in grams of CO2 is evolved in the complete decomposition of a 2.300-g sample that is 38.0% MgCO3 and 42.0% K2CO3 by mass?

Two identical rods ABF and DBE are connected by a pin at B. Knowing that at the instant shown the velocity of point D is 200 mm/s upward, determine the velocity of (a) Point E, (b) Point F. 15 15 180...

(a) Derive linear density expressions for BCC [110] and [111] directions in terms of the atomic radius R. (b) Compute and compare linear density values for these same two directions for tungsten.

In analyzing the performance of a thermal system, the engineer must be able to identify the relevant heat transfer processes. Only then can the system behavior be properly quantified. For the...

On an uncomfortable summer day, the air is at 87?F and 80% relative humidity. A laboratory air conditioner is to deliver 1.00 x 10 3 ft 3 /min of air at 55?F in order to maintain the interior air at...

Water at 70 kPa and 100°C is compressed isentropically in a closed system to 4 MPa. Determine the final temperature of the water and the work required, in kJ/kg, for this compression. 70 kPa 100C

The heart pumps blood at an average rate of 5 L/min. The gauge pressure on the venous (intake) side is 0 mm Hg and that on the arterial (discharge) side is 100 mm Hg. Energy is supplied to the heart...

A thin metallic wire of thermal conductivity k, diameter D, and length 2L is annealed by passing an electrical current through the wire to induce a uniform volumetric heat generation q. The ambient...

The nameplate on a 50-MVA, 60-Hz single-phase transformer indicates that it has a voltage rating of 8.0-kV: 78-kV. An open-circuit test is conducted from the low-voltage side, and the corresponding...

A continuous distillation unit, consisting of a perforated-tray column together with a partial reboiler and a total condenser, is to be designed to operate at atmospheric pressure to separate ethanol...

The cell SCE((Ag2CrO4 (sat'd), (x M) (Ag is used for the determination of pCrO4. Calculate pCrO4 when the cell potential is 0.389 V.

If the maximum intensity of the distributed load acting on the beam is w, determine the reactions at the pin A and roller B. Units Used: kN = 103 N Given: F = 6 kN a = 3 m b = 3 m w = 4 kN/m b. a.

A plane wall of a furnace is fabricated from plain carbon steel (k = 60 W/m K, p = 7850 kg/m 3 , c = 430 J/kg K) and is of thickness L = 10 mm. To protect it from the corrosive effects of the...

Solve Prob. 617 except with forces F1 = 1200 lbf and F2 = 2400 lbf. Prob. 617, The shaft shown in the figure is machined from AISI 1040 CD steel. The shaft rotates at 1600 rpm and is supported in...

A necked-down section in a pipe flow, called a venturi, develops a low throat pressure which can aspirate fluid upward from a reservoir, as in Fig. P3.161 Using Bernoullis equation with no losses,...

A 70 percent efficient pump delivers water at 20°C from one reservoir to another 20 ft higher, as in Fig. P6.102. The piping system consists of 60 ft of galvanized iron 2-in pipe, a reentrant...

A stream of air enters a 7.50-cm ID pipe at a velocity of 60.0 m/s at 27C and 1.80 bar (gauge). At a point downstream, the air flows through a 5.00 cm ID pipe at 60C and 1.53bar (gauge). What is the...

The rectangular platform is hinged at A and B and is supported by a cable that passes over a frictionless hook at E. Knowing that the tension in the cable is 1349 N, determine the moment about each...

Determine the force in members EI and JI of the truss which serves to support the deck of a bridge. State if these members are in tension or compression. Units Used: kip = 103 lb Given: F1 = 4000 lb...

One way to cool chips mounted on the circuit boards of a computer is to encapsulate the boards in metal frames that provide efficient pathways for conduction to supporting cold plates. Heat generated...

A 1/4 -in drill rod was heat-treated and ground. The measured hardness was found to be 490 Brinell. Estimate the endurance strength if the rod is used in rotating bending.

Hot exhaust gases of an internal combustion engine are to be used to produce saturated water vapor at 2 MPa pressure. The exhaust gases enter the heat exchanger at 400°C at a rate of 32 kg/min...

A steam power plant operates on the reheat Rankine cycle. Steam enters the high-pressure turbine at 12.5 MPa and 550°C at a rate of 7.7 kg/s and leaves at 2 MPa. Steam is then reheated at...

Determine the force P needed to pull the roller of mass M over the smooth step. Given: M = 50 kg a = 0.6 m b = 0.1 m = 60 deg 1 = 20 deg g = 9.81m/s2

Consider the following grooves, each of width W, that have been machined from a solid block of material. (a) For each case obtain an expression for the view factor of the groove with respect to the...

Consider a plane wall 100 mm thick and of thermal conductivity 100 W/m K. Steady-state conditions are known to exist with T1 = 400 K and T2 = 600 K. Determine the heat flux q; and the temperature...

Radial flow between two coaxial cylinders, consider an incompressible fluid, at constant temperature, flowing radially between two porous cylindrical shells with inner and outer radii kR and R. (a)...

Superheated steam at 40 bar absolute and 500C flows at a rate of 250 kg/mm to an adiabatic turbine, where it expands to 5bar. The turbine develops 1500kW. From the turbine the steam flows to a...

Write an equation showing how the mass of the substance sought can be converted to the mass of the weighed substance on the right. Sought Wighed Sought Weighed Mn,O, PbO2 (a) SO2 BaSo (b) Mg Mg P20...

A Rankine half-body is formed as shown in Fig. P8.31. For the conditions shown, compute (a) the source strength m in m2/s; (b) the distance a; (c) the distance h; and (d) the total velocity at point...

Determine the total force, in kN, on the bottom of a 100 50 m swimming pool. The depth of the pool varies linearly along its length from 1 m to 4m. Also, determine the pressure on the floor at the...

A pan is used to boil water by placing it on a stove, from which heat is transferred at a fixed rate qo. There are two stages to the process. In Stage I, the water is taken from its initial (room)...

Three forces act on the bracket. Determine the magnitude and direction θ of F1 so that the resultant force is directed along the positive x' axis and has magnitude FR. Given: F2 = 200 N F3 =...

Determine the force in each member of the space truss and state if the members are in tension or compression. The truss is supported by short links at B, C, and D. Given: F = 600 N a = 3 m b = 1 m c...

Determine vo for each network of Fig. 2.173 for the input shown. 20 V 2 V Ideal Ideal 2.2 k -5 V

Determine the resultant couple moment acting on the beam. Solve the problem two ways: (a) Sum moments about point O; and (b) Sum moments about point A. Units Used: kN = 103 N Given: F1 = 2 kN...

Carbon steel (AISI 1010) shafts of 0.1-m diameter are heat treated in a gas-fired furnace whose gases are at 1200 K and provide a convection coefficient of 100 W/m2 K. If the shafts enter the...

The building slab is subjected to four parallel column loadings. Determine the equivalent resultant force and specify its location (x, y) on the slab. Take F1 = 30 kN, F2 = 40kN. 50 kN 20 kN 4 m 8m 2...

Effect of altitude on air pressure, when standing at the mouth of the Ontonagon River on the south shore of Lake Superior (602 ft above mean sea level), your portable barometer indicates a pressure...

A mixture of 54.5 mol% benzene in chlorobenzene at its bubble point is fed continuously to the bottom plate of a column containing two theoretical plates. The column is equipped with a partial...

Calculate Vo in the circuit of Fig. 10.74. soo ki 100 30 FIG. 10.74 Proble 1S

Refrigerant R-12 enters the compressor of a refrigerator at 140 kPa, -10oC at a rate of 0.3 m3/min and leaves at 1 MPa. The compression process is isentropic. The refrigerant enters the throttling...

A submerged arc welding operation takes place on 10 mm thick stainless steel plate, producing a butt weld as shown in Fig. 12.20c. The weld geometry can be approximated as a trapezoid with 15 mm and...

Air (cp = 1.005 kJ/kg ¢ °C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. Air enters the heat exchanger at 95 kPa and 20°C at a...

A thin electrical heater dissipating 4000 W/m 2 is sandwiched between two 25-mm-thick plates whose exposed surfaces experience convection with a fluid for which Too = 20C and h = 400 W/m 2 . K. The...

The cab and motor units of the front-end loader shown are connected by a vertical pin located 60 in. behind the cab wheels. The distance from C to D is 30 in. The center of gravity of the 50-kip...

An oxygen tank with a volume of 2.5 ft3 is kept in a room at 50F. An engineer has used the ideal gas equation of state to determine that if the tank is first evacuated and then charged with 35.3lbm...