= Air has a gas constant of R = 287 [J/(kg C)]. At standard temperature 15°C and pressure, air has a dynamic viscosity of, μ 0.0000179 [kg/(m·s)] and a density of p = 1.23 [kg/m³]. If a circular pipe is to carry Q = 0.079 [m³/s] of air at standard atmospheric pressure, find the following assuming that Re < 2100 gives laminar flow: Part 1. If the flow must remain laminar, what is the minimum diameter of the pipe? 19 5% 95% Submit Part 2. What would be the density of air at 80.9 [C]? [m] 33 3% 100% Submit [kg/m³]

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Quantity takeoff

Quantity takeoffs (QTO) are precise estimates of the materials and labor costs required to finish a construction project. During the pre-construction phase, an estimator prepares them, breaking down the project into smaller, more manageable parts that are easier to evaluate. These measurements are used to prepare a construction scope bid. Estimators examine the drawings, specifications, and models to figure out different quantities and their costs. Since, the components, their quantity, and price are all included in the model, quantity take-off can be done automatically using Building Information Modelling (BIM). The time taken for completing a construction project can be reduced by the use of quantity takeoff. These takeoffs are also called material takeoffs and construction takeoffs.