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1. What are three types of sampling? Which one would you use to analyze data input errors?
2. What is the Hawthorne Effect? Have you ever experienced it? When and where?
3. What is a functional decomposition diagram (FDD) and why would you use one? Explain how to create an FDD.
This crate holding 40 bricks, each of mass 1.3kg, is placed on a hydraulic lifting beam as shown. State the order of the lever used here. Calculate the effort required to lift the load. Calculate the mechanical advantage for this system.
The cable segment attached to the spring is at an angle of ?=50.0 from the ground. The spring has a spring constant of k=14.5 kN/m. The pulley is attached to the ceiling by rod BD that forms an angle ?=70.0? with the ceiling. The hanging mass causes ..
The delivered equipment cost for a fixed-bed carbon adsorption system with a capacity of 5000 acfm was $100,000 in 1994. Estimate the installed cost of a similar system with a capacity of 7500 acfm in 2000.
an inventor claims to have developed a refrigeration unit that maintains a cold space at -10degc while operating in a
The S8 × 18:4 steel beam is used as a cantilever 6 ft long. The 100-lb weight falls through 6 in. before striking the free end of the beam. Determine the maximum dynamic stress and deflection caused by the impact. Use E = 29 × 106 psi for steel.
Name one mechanical engineering application of CAD
The density of air is 1.22 kg/m3. Determine the volume rate of air flow in the duct in cubic feet per second. What is the horsepower output of the fan?
1 a window of building loses 1.2 julessec of heat during 24 hours period time. determine heat loss during this in kj?2
what equal monthly invesmet is required over a 50 year period to achieve a balance of 2600000 in an investment account
Identify a house (bungalow or townhouse or 2/3 storey house) and reduce its total energy (gas and electricity) consumption by 30% by redesigning the walls, windows (double-pane), doors and roof in order to minimize the heat transfer losses.
a regenerative brayton cycle has two step isentropic compression with cooling. air enters the first compression at 300
A new motorcycle is being developed to meet new gas mileage standards recently passed by the federal government. An engineer tested three model designs by randomly assigning the motorcycles in a blind study (the riders recorded the mileage but did no..
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