Calculation: 1. Total percentage of moisture in an oven dry basis: Wet Wt – Dry Wt % Moisture Oven Dry Basis = x 100% Dry Wt. Wet Wt = original weight (mass) of aggregate Dry Wt = oven dry weight (mass) of aggregate 2. Calculate the percent surface (free) moisture: % Surface moisture = (% Moisture, Oven Dry Basis) - (% Absorption, from Mix Design

Calculation: 1. Total percentage of moisture in an oven dry basis: Wet Wt – Dry Wt % Moisture Oven Dry Basis = x 100% Dry Wt. Wet Wt = original weight (mass) of aggregate Dry Wt = oven dry weight (mass) of aggregate 2. Calculate the percent surface (free) moisture: % Surface moisture = (% Moisture, Oven Dry Basis) - (% Absorption, from Mix Design

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.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.1DP

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Pls. Answer thank you! Wet material, containing 215% moisture (dry basis) is to be dried at the rate of 1.5 kg/sec in a continuous dryer to give a product containing 5% moisture (wet basis). The drying medium consists of air heated to 373°K and containing water vapor equivalent to a partial pressure of 1.40 Kpa. The air leaves the dryer at 310°CK and 70% saturated. Calculate how much air will be required to remove the moisture.
Steps: 1. Collect Data: Review the Technical Specifications Document for details like storage room dimensions, wall thickness, and materials. Use the ASHRAE CLIMATIC DESIGN CONDITIONS to collect local data. 2. Calculate Room Surface Area: Determine the total surface area of the storage room, accounting for walls and ceiling. Assume that the floor is well insulated and that heat transfer within the floor is negligible. 3. Assess Insulation: Evaluate the insulation thickness and material properties. 4. Calculate Heat and Ventilation Loads: In general, heat load calculations consist of several components such as equipment and internal and external sources. In this project, it is crucial to consider lighting as part of the heat load, in addition to the ventilation load. The other factors can also be taken into account, however, those are optional considerations. For lighting load, see Appendix A. 5. Determine Heat Transfer Coefficients: The convection heat transfer coefficients for…
The distillation column can be a packed or plate-type column. Plate columns have a series of trays stacked on top of each other. Plate columns come in three basic designs: bubble-cap, sieve, and valve tray. i) What is the function of the backed bed or plates in this distillation column? ii) What can result if the sieve trays are used here for viscous liquid. iii) Which type of tray can you select for higher mass and heat transfer efficiency? Justify your answer with a reason.
Problem 03.028 - DEPENDENT MULTIPART PROBLEM - ASSIGN ALL PARTS NOTE: This is a multi-part question. Once an answer is submitted, you willI be unable to return to this part. A 1.9-m3 rigid tank contains steam at 220°C. One-third of the volume is in the liquid phase and the rest is in the vapor form. The properties of steam at 220°C are given as follows: vf= 0.001190 m3/kg and vg= 0.08609 m3/kg. Steam Vm3 220°C Problem 03.028.b - Quality of a saturated mixture Determine the quality of the saturated mixture. (You must provide an answer before moving to the next part) The quality of the saturated mixture is
Pls. Answer thank you! Wet material, containing 200% moisture (dry basis) is to be dried at the rate of 1.6 kg/s in a continuous dryer to give a product containing 10% moisture (dry basis) . Find the moisture removed, kg/hr
I need the answer as soon as possible
Apply the ideal gas equation and calculate the volume (units: m3) for a single tank in at its fully pressurised state inside the plant room.
26)
K 1 . 1. Conditions: Outside winter time -5C and 80% RH. What is the moisture content of the outside air? Provide your answer to within 0.0004 kg wv/kg dry air of the correct answer. 2. Conditions: Outside winter time -5C and 80% RH. What is the enthalpy of the outside air? Provide your answer to within 2 kJ/kg dry air of the correct answer. 3. "Use the outside air from the first 2 questions. Now bring this outside air inside for ventilation of a house, and heat it to 23C (without adding moisture). What is the new RH (relative humidity) of this air? Provide your answer to within 3% of the correct answer." 4. What is the moisture content of dry air and water vapour at 23C and 40% RH? Provide your answer to within 0.0004 kg wv/kg dry air of the correct answer. 5. "Now using the outside air you have warmed up in question 3. How much moisture do you need to add to this air now, so that at 23C it will be at 40% RH? Provide your answer to within 0.0004 kg wv/ kg dry air of the correct…
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