How does a floating object maintain stability of orientation?

which additive manufacturing technology can incorporate metals?

A rectifier is to be specified for a DN 600 mm pipeline cathodic protection system. The current density required is 1.5 x 10-4 amps/m2. Calculate the current to be supplied by the rectifier if the cathodic protection installations are 30 km apart. POST THE SOLUTION IN NEAT READIBLE SCRIPT PLEASE!!

A venturi is a pipe-like device with a smooth internal constriction, as shown below. Air flows (20 pts) through a particular venturi, entering with know velocity (V~ ), temperature (T), and pressure (P). The venturi starts with a diameter (D), and constricts to a smaller diameter (d). A small barometer-like tube is attached to the venturi at its constriction, and filled with oil of known density (?oil). Answer the following questions about this system using the information in data table. (a) Compute the air’s density (?air) at the venturi inlet. Assume this density is constant and known; it may be used in subsequent questions as such. (b) Develop an expression for the air pressure (Pd) at the venturi’s constriction using only the provided quantities. (c) Develop an expression for the expected oil column height (?z) resulting from the density variation. The oil at the base of the barometer-like tube is also P?. (d) Numerically compute the oil column height (?z) using the derived expressions. Parameter Variable Units Value Venturi diameter D m 0.15 Venturi diameter d m 0.03 Air inlet velocity V m/s 9.3 Air inlet temperature T C 17.5 Air inlet pressure P? kPa 103.0 Air constriction pressure Pd kPa - Air inlet density ?air kg/m3 - Air gas constant Rg J/kg·K 287.057 Oil density ?oil kg/m3 780.0 Oil column height ?z m - Gravity g m/s 2 9.81

Describe the photoelectric effect and explain how XPS is used for chemical analysis. List the similarities and differences between XPS and AES.  

A natural gas well is being drilled in your community. It is estimated that amount of recoverable natural gas is equivalent to 5 MCF and that your community will use this fuel at an initial rate of 0.4 MCF/year, selling an additional 0.6 MCF/year back to the utility. Assuming that the annual rate of increase in consumption will be at 2%, determine how long (in years) it will take to exhaust this natural gas well

Compare extrusion process with rolling process and compare extrusion process with die casting process.

Based on what you learned from the classes and your understanding, summarize how to start a six sigma, and the major steps of a six sigma projects. Briefly discuss the useful tools in the first two phases (D, M). Organize your answer properly and use less than 300 words.

Considering quantitative risk assessment, what is one of the most significant disadvantages to project crashing?

reference to source question https://www.chegg.com/homework-help/questions-and-answers/question-4-production-manager-electronic-toys-company-et-co-begin-project-design-productio-q29681067

This is not an incomplete question it is asking in genereal what is the disadvantages of project crashing. where disadvantages are that it is expensive and can cause failure to activities and effect the whole project. the part i do not understand is answering the question with reference to quantitative risk assessment.

Nitrogen gas is contained in a rigid 1-m3 tank, initially at 5 bar, 300 K. Heat transfer to the contents of the tank occurs until the temperature has increased to 400 K. During the process, a pressure-relief valve allows nitrogen to escape, maintaining constant pressure in the tank. Neglecting kinetic and potential energy effects, and using the ideal gas model with constant specific heats evaluated at 350 K, determine (a) the mass of nitrogen that escapes, in kg, and (b) the amount of energy transfer by heat, in kJ.

(HVAC)

in design of a channel network for distribution of air How and With what equipment the final adjustment of the flow of air reaches to each region is Set?

(HVAC)

For a specific building with a specific user, we have calculated the heating load.

if we use deferent heat provider such as hot water,gas heaters or radiators , would it be a change in calculated heating load?? in other words Is the calculation of heating load independent of the type of heating system?

A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 4 MPa in the boiler and 5 kPa in the condenser and a turbine inlet temperature of 700°C. The boiler is sized to provide a steam flow of 50 kg/s. Determine the power produced by the turbine and consumed by the pump. Use steam tables.

Find the values of power produced by the turbine and consumed by the pump in kW

What is strain hardening and what is its difference with work hardening?

Water flows in a horizontal pipe of d₁=100 mm with a velocity w_t=1m/s and pressure p₁=90 kPa. It enters a pipe reduction to a diameter d₂=50 mm. Pressure after the pipe reduction drops to p₂=80 kPa while temperature is unchanged. Find entropy generation rate in the zone of the pipe reduction. Assume that the surroundings is at T_s=20?C and pressure is p_s=80kPa and the steady state is considered. What will be the exit pressure after the pipe reduction if the process was reversible? Water density is ?=1000kg/m^3. Specific enthalpy and entropy of the water can be calculated from formulae: h=h_ref+cT[K]+?(?-?_ref), where c=4.19 KJ/(kgK).