What is Kelvin-Planck statement of the second law of thermodynamics?

Q: A counter-flow double pipe heat exchanger is to heat water from 20 ⁰C to 80 ⁰C at a rate of 1.2…

A: Heat exchanger  is a steady flow, adiabatic, open system and constant pressure device in which two…

Q: An L-shaped bracket is supported by a frictionless pin at A and a cable between points B and D. If…

A:

Q: As shown in the figure below, a uniform bar with mass m moves freely along a vertical tube at one…

A:

Q: A refrigerant 12 refrigeration system requires a load of 54 kW at an evaporator pressure of 270 kPa…

A:

Q: As shown below, a sign weighing 420 N is hanging (via a wire) from a uniform 289 N beam of length L.…

A:

Q: A system has a mass velocity of 0.5 kg/s. The enthalpy, speed and height at the entrance of the…

A:

Q: velocity of the gear at the instant the spring compresses 20 mm. Neglect friction.

A: Given DataThe Mass of the Gear A m2=0.3 KgThe radius of the gear A r=50 mm=0.05mThe radius of…

Q: The uniform blocks A and B weigh 90lb and 60lb, respectively. The coefficients of static friction at…

A: Consider the ground(the grey surface) as surface CFrom the FBD of body A We know, NAB=NBA=49.09 lb…

Q: The commercial 11 m long rectangular section shown in the figure from a channel made of steel…

A:

Q: The rotor in the figure turning I and II formed in the beds imbalances and their angles are saving:…

A:

Q: Maksimum 900 K ve minimum 283 K sıcaklık aralığında hava standardına göre çalışan ideal Brayton…

A: The compressor inlet temperature, T1 = 100 kPaThe maximum temperature, Tmax = 900 KThe minimum…

Q: If F = 47.6 N and M = 1.8 kg, what is the magnitude of the acceleration of the suspended object? All…

A:

Q: Write an article describing possible data and big data analytics applications for Mechanical…

A: In the digital era, data and big data analytics have transformed various industries, and mechanical…

Q: 6.47. Determine the force in members CD and DF off the trush shown 6.48. Determine the force in…

A: We will 1st draw FBD of the entire structure . After finding out the reaction forces , we will apply…

Q: Determine the max pressure that the piston-cylinder can withstand, P. Determine the magnitude of max…

A: GivenThe circumferential stress of the cylinder The inner radius of the cylinder The thickness of…

Q: What is the physical significant of prandtl number? Question does the value of the  prandtl number…

A: Prandtl Number:It is the ratio of kinematic viscosity to the thermal diffusivity.Mathematically,

Q: Indoor air dry bulb temperature and relative humidity are 23 C and 45%, respectively. Determine a)…

A: According to our guidelines , we are supposed to answer 1st three sub parts . Please re-post other…

Q: A milling operation is performed on an NC machining center. Total travel distance L= 300 mm in a…

A:

Q: A projectile is fired vertically from point A with an initial speed of 280 ft/sec. Relative to an…

A:

Q: If the tension in the rope is 400 lb, what is the magnitude of the y component of the support force…

A: According to the given data B=(4,9,9)C=(7,11,0)TBC=400 lbWe need to findReaction at A in the…

Q: Problem 1.  A fluid is flowing in a 20 cm diameter pipeline with a velocity of 5.50 m/sec. The…

A: Diameter of pipe = 20 cm Mean velocity = 5.50 m/secPressure at the center of the pipe = 35 kPaDatum…

Q: Two Points are connected by a A and B generalized coordinates AB TV Can move B rod of length L. The…

A: 1st assign cordinate point to A and B.then write pyhtagorus equation .

Q: Trusses are made up of Joints and Members. Every member in a truss is: a Zero-Force Member. O in…

A: Trusses are made up of joints and members. Find: condition or property of Every member in a truss.

Q: Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A₁ = 4500 mm² and an…

A:

Q: Question 2. Determine the reactions in supports B and C and the forces in all the members of the…

A: P=4KNa=6mb=8m

Q: How does the shear stress change along the radial line in a cross section of a solid circular shaft…

A:

Q: When designing a pair of spur gears to be used as part of the drive for a log conveyor run by an…

A: about the overload factor's most likely value For a pair of spur gears used in an electric…

Q: Two loads have have a W₂ = 45lbs, and coubles system of tension *B in 30° T cable 53 weighth Wi=…

A: To Find- The tension in the cable CE.

Q: 5.79 For the beam and loading of Prob. 5.78, determine (a) the distance a for which w = 20 kN/m, (b)…

A: A beam with loading condition is given =20KN

Q: The following strains were measured using a 0-45-90 degree rosette, with the 0 degree strain gauge…

A:

Q: 11/100 mm in size and 1100 kg/m3 in a cylindrical container with a diameter of 11 m density of 100…

A:

Q: Describe either a benefit or concern associated with nuclear power versus more conventional power…

A: To explain:Describe either a benefit or concern associated with nuclear power versus more…

Q: 5. An object weighing 16 lb streches a spring 3 in. The object is attached to a viscous damper with…

A: The object weight, W = 16 lbThe change in length of the spring, x = 3 inThe damping coefficient, c =…

Q: Design A bracket is cantilevered to steel channel using 8 bolts as shown in Fig . 1. It carries an…

A: The number of bolts, n = 8 boltsThe magnitude of eccentric load, P = 80 kNThe eccentricity, e = 250…

Q: The rectangular bar has a width of w = 3.50 in. and a thickness of t = 1.50 in. The normal stress on…

A:

Q: A turbine receives 8 kg/s of air at 9 MPa, 677 C and 60 m/s (pressure, temperature and velocity). It…

A:

Q: The figure below shows the power transmitted through a gear drive to multiple output shafts. Gear A…

A:

Q: Two pounds mass of water in a piston-cylinder assembly, initially a saturated liquid at 35 lb/in²,…

A: m=2lbP1=P2=35lbf/in2state 1P1 =35lbf/in2 and saturated liquid T=259.30 F= 718.97 Rv1 = 0.01708…

Q: Identify the system for a house The following figure illustrates a simplified schematic of a house…

A: There is a system in which the cold water is entering and hot water is outgoing with the help of the…

Q: What is the purpose of introducing natural gas along with cooling gas in to the conical section of…

A: The purpose of introducing natural gas along with cooling gas into the conical section of the Midrex…

Q: An 8-m long cantilever beam is loaded with vertical forces A = 60 kN and B = 108 kN, separated by a…

A:

Q: Determine the force in members CD and DF off the trush shown

A:

Q: In an air standard Otto cycle the maximum and minimum temperatures are 1400 and 15°C. The heat…

A: Hi,As per the guidelines, we can solve only first question for you since you have not specified.…

Q: 2. Consider the closed-loop system shown below. Determine the range of K for stability. Assume that…

A:

Q: 960 mm -1100 mm- C B What is the largest mass the cables can support if the maximum allowable…

A:

Q: Question: Classifier overflow (ppulp=1.49 g/cm³) is fed to a conditioning tank of a flotation…

A:

Q: A moving point disturbance travels at a supersonic speed. It creates two spheres one at time (t) and…

A:

Q: standard ammonia vapor-compression cycle developing 20 tons of refrigeration operates with a…

A: As per Bartleby's policy in case of multiple subparts I can solve only first three subparts. Please…

Q: A simply supported I beam is 12 metres long with a midspan point load of 15 kN and a uniformly…

A:

Q: An ideal Otto cycle has a compression ratio of r=9. At the beginning of the compression process, air…

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

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.