A lead-tin (Pb-Sn) alloy of composition 30 wt % Sn and 70 wt % Pb is slowly heated from a temperature of 140 OC. Refer to the phase diagram provided in Figure 1 and answer the following. (i) At what temperature does the first liquid phase form? (ii) What is the composition of this liquid phase? (iii) At what temperature does complete melting of the alloy occur? (iv) What is the composition of the last solid remaining prior to complete melting

A lead-tin (Pb-Sn) alloy of composition 30 wt % Sn and 70 wt % Pb is slowly heated from a temperature of 140 OC. Refer to the phase diagram provided in Figure 1 and answer the following. (i) At what temperature does the first liquid phase form? (ii) What is the composition of this liquid phase? (iii) At what temperature does complete melting of the alloy occur? (iv) What is the composition of the last solid remaining prior to complete melting

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.2P: 5.2 Evaluate the Prandtl number from the following data: , .

See similar textbooks

Similar questions

Data: Tensile Strength b (mm) L (mm) d (mm) P (N) Tensile Strength (MPa) Average (MPa) 49.74 52.14 10.14 760 49.74 52.14 10.14 980 51.18 49 8.74 800 48.56 48.86 10.96 960 49 51.54 9.72 780
A core was mounted in a gas permeameter to measure permeability. Determine the liquid permeability (mD) of the core using gas (in oilfield units). The laboratory data are as follows: Diameter of the core = 3.78 cm Length of the core = 7.63 cm Gas viscosity = 0.0148 cP Flow rate = 9.07 cm3/s P1 = 1.439 atm P2 = 1.086 atm
The following table lists molecular weight data for a polypropylene material. Compute the number-average molecular weight, Molecular Weight Range (g/mol)//// xi////// wi 8,000–16,000//// 0.05/// 0.02 16,000–24,000 ///0.16// 0.10 24,000–32,000 ///0.24// 0.20 32,000–40,000 ///0.28// 0.30 40,000–48,000 ///0.20// 0.27 48,000–56,000 ///0.07// 0.11 Round your answer to 0 decimal places.
The materials laboratory that you direct received the following data on the tensile strength in MPa of 15 samples of Aluminum Nitride. The data obtained for each sample are: Sample Endurance (Mpa) SAMPLE (STRENGTH) MPa 1 190 2 233 3 268 4 160 5 257 6 300 7 310 8 262 9 185 10 205 11 275 12 245 13 220 14 290 15 228 You are asked to calculate the Weibull modulus, m, considering that the probability of failure is n/16, where n is the number of specimens that failed at a given stress. You can use Excel to speed up the calculations.
7 Advanced Thermodynamics With compulsory diagrams or graphs. 1)a) What are the methods to destroy state of superconductivity? Discuss in details with diagrams. 1)b) Discuss with year wise progress made in superconductivity research and application till date.
a) The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 5.00-g peanut if the energy from burning it is transferred to 0.500 kg of water held in a 0.100-kg aluminum cup, causing a 54.9C temperature increase? (b) Compare your answer to labeling information found on a package of peanuts and comment on whether the values are consistent.
Suppose we got the following data during a test of a 2- stroke engine in which gas is usedas a fuel:Diameter of the piston = 149 mmStroke length = 179 mmClearance volume = 0.88 literrpm of the engine = 302Indicated mean effective pressure = 6.0 barGas consumption = 6.0 m3/hCalorific value of the gas (fuel) = 16990 kJ/m3Make a clear sketch the geometry of this engine using the data and determine thefollowing:i. Indicated power developed by the engine in watt.ii. Air Standard Efficiencyiii. Indicated thermal efficiency of the engine.
1. Energy consumption in a country from 2001 to 2011 increased from 1041.3 million to 1526.1 million BOE (barrels of oil equivalent). If the high calorific value (HHV) of the oil is 141,000 kJ/gallon what is the increase in energy consumption over 10 years in Joule units. What is the rate of energy consumption per year? 2. Based on data on the rate of energy consumption per year from question no. 1, if the growth rate energy 2.5% per year, calculate the doubling time (td) and what is the approximate rate of energy growth in 2021.
1. When the pressure of the evaporator chamber is decreased, the boiling point of the solutions inside the chamber will: 2. It states that for a given concentration, the boiling point of the solution is a linear function of the boiling point of the solvent. a.Boiling point rise b.Enthalpy-concentration chart c.Duhring's rule d.Dalton's law 3.
The below results are for cooling tower expirement, energy balance :energy balance of the system, that is to say, the energy taken by the air must be equal to the energy supplied by the water flow. Question : Discuss the tabulated cooling tower results... Discuss in detail format!
7- Mr.Tariq wants to get material testing for his casting components where he doesn't want to damage his sample therefore he prefers to undergo the NDT method. Select one: True False
A bottle filling operation in a manufacturing facility fills 16 oz. water bottles is uniformly distributed with α = 15.750 oz. and β = 16.250 oz. What is the probability that a sample taken will weigh between 15.805 oz. and 16.015 oz.?