Problem 1P: 8.1 Perform the same computation as in Sec. 8.1, but for ethyl alcohol at a temperature of 375 K... Problem 2P: 8.2 In chemical engineering, plug flow reactors (that is, those in which fluid flows from one end to... Problem 3P: 8.3 In a chemical engineering process, water vapor is heated to sufficiently high temperatures that... Problem 4P: The following equation pertains to the concentration of a chemical in a completely mixed reactor:... Problem 5P: 8.5 A reversible chemical reaction
Can be characterized by the equilibrium relationship... Problem 6P: The following chemical reactions take place in a closed system 2A+BCA+DC At equilibrium, they can be... Problem 7P: The Redlich-Kwong equation of state is given by p=RTvbav(v+b)T where R= the universal gas constant... Problem 8P: The volume V of liquid in a hollow horizontal cylinder of radius r and length L is related to the... Problem 9P: The volume V of liquid in a spherical tank of radius r is related to the depth h of the liquid by... Problem 10P: 8.10 For the spherical tank in Prob. 8.9, it is possible to develop the following two fixed-point... Problem 11P: 8.11 The operation of a constant density plug flow reactor for the production of a substance via an... Problem 12P: 8.12 The Ergun equation, shown below, is used to describe the flow of a fluid through a packed bed.... Problem 13P: The pressure drop in a section of pipe can be calculated as p=fLpV22D where p= the pressure drop... Problem 14P: 8.14 In structural engineering, the secant formula defines the force per unit area, , that causes a... Problem 15P: 8.15 In environmental engineering (a specialty area in civil engineering), the following equation... Problem 16P: 8.16 The concentration of pollutant bacteria c in a lake decreases according to
Determine the... Problem 17P: A catenary cable is one that is hung between two points not in the same vertical line. As depicted... Problem 18P: 8.18 Figure P8.18a shows a uniform beam subject to a linearly increasing distributed load. The... Problem 19P: 8.19 The displacement of a structure is defined by the following equation for a damped... Problem 20P: 8.20 The Manning equation can be written for a rectangular open channel as
where flow the... Problem 21P: In ocean engineering, the equation for a reflected standing wave in a harbor is given by... Problem 22P: 8.22 You buy a $20,000 piece of equipment for nothing down and $4000 per year for 6 years. What... Problem 23P: Many fields of engineering require accurate population estimates. For example, transportation... Problem 24P: 8.24 A simply supported beam is loaded as shown in Fig. P8.24. Using singularity functions, the... Problem 25P: 8.25 Using the simply supported beam from Prob. 8.24, the moment along the beam, , is given... Problem 26P: Using the simply supported beam from Prob. 8.24, the slope along the beam is given by:... Problem 27P: Using the simply supported beam from Prob. 8.24, the displacement along the beam is given by:... Problem 28P: 8.28 Although we did not mention it in Sec. 8.2, Eq. is actually an expression of... Problem 29P: 8.29 Perform the same computation as in Sec. 8.3, but determine the value of L required for the... Problem 30P: An oscillating current in an electric circuit is described by i=9etsin(2t), where t is in seconds.... Problem 31P Problem 32P: 8.32 A total charge Q is uniformly distributed around a ring-shaped conductor with radius a. A... Problem 33P: 8.33 Figure P8.33 shows a circuit with a resistor, an inductor, and a capacitor in parallel.... Problem 34P: Beyond the Colebrook equation, other relationships, such as the Fanning friction factor f, are... Problem 35P: Real mechanical systems may involve the deflection of nonlinear springs. In Fig. P8.35, a mass m is... Problem 36P: Mechanical engineers, as well as most other engineers, use thermodynamics extensively in their work.... Problem 37P: Aerospace engineers sometimes compute the trajectories of projectiles like rockets. A related... Problem 38P: The general form for a three-dimensional stress field is given by [xxxyxzxyyyyzxzyzzz] where the... Problem 39P: The upward velocity of a rocket can be computed by the following formula: v=uInm0m0qtgt where v=... Problem 40P: The phase angle between the forced vibration caused by the rough road and the motion of the car is... Problem 41P: Two fluids at different temperatures enter a mixer and come out at the same temperature. The heat... Problem 42P: A compressor is operating at compression ratio Rc of 3.0 (the pressure of gas at the outlet is three... Problem 43P: In the thermos shown in Fig. P8.43, the innermost compartment is separated from the middle container... Problem 44P: 8.44 Figure P8.44 shows three reservoirs connected by circular pipes. The pipes, which are made of... Problem 45P: A fluid is pumped into the network of pipes shownin Fig.P8.45. At steady state, the following flow... Problem 46P: 8.46 Repeat Prob. 8.45, but incorporate the fact that the friction factor can be computed with the... Problem 47P: The space shuttle, at lift-off from the launch pad, has four forces acting on it, which are shown on... Problem 48P: 8.48 Determining the velocity of particles settling through fluids is of great importance of many... format_list_bulleted
Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage
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