Rod OA rotates counterclockwise with a constant angular velocity of = 5 rad/s. The double collar B is pin connected together such that one collar slides over the rotating rod and the other slides over the horizontal curved rod, of which the shape is described by the equation r = 1.5(2 - cos θ) ft. If both collars weigh 0.75 lb, determine the normal force which the curved rod exerts on one collar at the instant θ = 120^o. Neglect friction.

Design an isolated footing with one side limited to 7 ft for the following: 1 ft x 1 ft edge column, axial loads PD = 130 kip and PL = 155 kip, fc’ = 3,000 psi, fy = 60,000 psi, qa = 4 ksf, and a distance from top of backfill to bottom of footing is 4 ft. Assume the soil density is 100 pcf. For the column, fc’ = 5,000 psi. Sketch your design.

1- William F. May says, “[The Professional] had better be virtuous. Few may be in a position to discredit him. The knowledge explosion is also an ignorance explosion; if knowledge is power, then ignorance is powerlessness.” Explain what May is saying here. Present an example of how this might apply to engineers.?

2- What is the method of line-drawing? An example will be useful in explaining this.?

A contractor bought a crane for erecting tall buildings. It was invoiced from JapanCIF (cost, insurance, freight) Manila at P2,500,000. Brokerage, bank, customs’duties, permits, etc. total P1,200,000. At the end of 10 years, he expects to sell itfor P500,000. Construct a schedule of the book value at the end of each year usingthe following methods: (a) Straight-Line Formula, (b) Sinking Fund Formula at 12%,(c) Matheson Formula (d) Double Declining Method and (e) SYD Method

Show complete solution. answe a, b,c,d,e.

1. What is technical communication, and what are some of the ways it can help people?
2. What are some common types of technical documents? List at least five types the book mentions. Please also make up two specific examples of the kinds of technical communication that people may need to produce in the workplace (use specific professions in your examples, like engineer, computer programmer, nurse, dentist, etc).
3. Describe some things that a writer can do to "focus on the reader" when writing and designing technical documents.
4. Why is technical communication so often collaborative in nature?

1. Two large fixed parallel planes are 12mm apart. The space between the surfaces is
filled with oil viscosity 0.972 N.s/m2

. A flat thin plate 0.25m2

area moves through the

oil at a velocity of 0.3 m/s. Calculate the drag force:
i. When the plate is equidistant from both the planes, and
ii. When the thin plate is at a distance of 4 mm from one of the plane surfaces.

A cantilever, 2.6 m long, carryinga uniformly distributed load w along the entire length, is propped at its free end to the level of the fixed end. If the load on the prop is then 30 kN, calculate the value of w. Determine also the slope of the beam at the support. If any formula for deflection is used it must first be proved. E = 210GN/m2; I = 4 x 10-6m4.

. An investor is determining whether to invest $500,000 in a developing a new rental property on Long Island. Her estimated annual costs are $12,000 and annual revenues are $40,000.

a) What rate of return per year will the investor make over a 30-year period ignoring the salvage value?

b) If the property can be sold for $200,000 what is the rate of return?

I need solution in Excel , THANKS

1

The ability of a material to continue to deform under a constant load is called

Group of answer choices

strain deformation

creep

Young’s modulus

stress deformation

2

The diameter of a No. 8 reinforcing bar is

Group of answer choices

2 inches

½ inch

1 inch

¼ inch

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3

The most common form of web reinforcement is the

Group of answer choices

vertical stirrup

temperature steel

mesh steel

horizontal stirrup

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QUESTION 4

One of the most fundamental assumptions of reinforced concrete design is

Group of answer choices

there is always some slippage between the concrete and the steel

there is a moderate bond between the concrete and the steel

the steel and concrete do not generate a great bond

that perfect bonding exists between the concrete and the steel

Please give me brief definition of porous absorber with some examples, and how we can explain physically the fact that this materiel absorb sound.

Discuss the ability of a sustainability review to effectively address all three “E’s” of sustainability effectively in the construction industry?

Find at least three advantages and three disadvantages of the HSMC architecture. Based on those findings, evaluate your confidence (scale 0– 1) on this particular hardware vision. By which decade, if ever, would you think that such an approach would be practical and in wide use?  

P.s do not worry about figure