Questions
Write a brief description of Hindrance to Oil and Gas Flow in Pipelines

Write a brief description of Hindrance to Oil and Gas Flow in Pipelines

In: Mechanical Engineering

1. A square-based pyramid has the volume V. If the vertical height is H (the normal...

1. A square-based pyramid has the volume V. If the vertical height is H (the normal distance from the square base to the point), write a MATLAB function that:

has V and H as input arguments

calculates the length of the side of the square (S)

has S as an output argument

Write MATLAB code that tests the function for the values:

V = 10 m3 and H = 2 m.

V = 2.586×106 m3 and H = 146.6 m (the original dimensions of the Great Pyramid of Giza).

2. Repeat SPIDER 2 Q1, but write a function that accepts a year as an input argument and determines whether that year is a leap year. The output should be the variable extra_day, which should be 1 if the year is a leap year and 0 otherwise.

You must write a script file that thoroughly tests whether your function works correctly.

In: Mechanical Engineering

what is storage tank stratification?

what is storage tank stratification?

In: Mechanical Engineering

what are the benefits of four wheel steering system

what are the benefits of four wheel steering system

In: Mechanical Engineering

If a customer orders 10 parts to be delivered next Tuesday, and we deliver 8 parts...

If a customer orders 10 parts to be delivered next Tuesday, and we deliver 8 parts on Tuesday, what is the on-time and complete metric for this customer?

In: Mechanical Engineering

(a) What is the distinction between hypoeutectoid and hypereutectoid steels? (b) In a hypoeutectoid steel, both...

(a) What is the distinction between hypoeutectoid and hypereutectoid steels?

(b) In a hypoeutectoid steel, both eutectoid and proeutectoid ferrite exist. Explain the difference between them. What will be the carbon concentration in each?

(c) In bullet format compare and contrast the expected mechanical behavior of hypoeutectoid and hypereutectoid steels in terms of: (i) Yield strength (ii) Ductility (iii) Hardness (iv) Tensile strength

In: Mechanical Engineering

The position of a particle is r={(3t3−2t)i−(4t1/2+t)j+(3t2−2)k}m, where t is in seconds. Part A Determine the...

The position of a particle is r={(3t3−2t)i−(4t1/2+t)j+(3t2−2)k}m, where t is in seconds.

Part A

Determine the magnitude of the particle's velocity when t = 0.5 s .

Express your answer with the appropriate units.

v=?

Part B

Determine the magnitude of the particle's acceleration when t = 0.5 s .

Express your answer with the appropriate units.

a=?

In: Mechanical Engineering

Consider the following plane stress state: σx = 30 kpsi, σy = -10 kpsi, τxy =...

Consider the following plane stress state: σx = 30 kpsi, σy = -10 kpsi, τxy = 10 kpsi ccw

Calculate the following:

1. The coordinates of the center of the Mohr's circle C The location of the center of the Mohr's circle C is (____kpsi, ______kpsi).

2. Principal normal stresses (σ1, σ2) The principal normal stresses are σ1 = _____kpsi and σ2 = ______kpsi. ​

3. Maximum shear stress (τ) The maximum shear stress is ______kpsi.

4. The angle from the x axis to σ1 (Φp) The angle from the x axis to σ1 (Φp) is _____° ccw.

5. The angle from the x axis to τ (Φs) The angle from the x axis to τ (Φs) is _______° cw.

6. The radius of the Mohr's circle The radius of the Mohr's circle is ______kpsi.

In: Mechanical Engineering

2.3)  Consider a 3-meter long pendulum placed on the Moon and given initial angular displacement of 0.2...

2.3)  Consider a 3-meter long pendulum placed on the Moon and given initial angular displacement of 0.2 rad and initial velocity of 1 rad/s. Calculate the maximum angular velocity and the maximum angular acceleration of the swinging pendulum (note that gravity on the Earth’s moon is gm=g/6, where g is the acceleration due to gravity on Earth).

In: Mechanical Engineering

Q1: Milling machines at a big company are usually down because of setups for an average...

Q1:
Milling machines at a big company are usually down because of setups for an average of 15.8 percent of the time in three shifts. If machine downtime is costing the company 178.17 dollars per hour, how much does setup time cost for each machine on an annual basis? Assume five days per week and 52 weeks per year.
Cost = ____________

Q2:
A production system has a burden rate of 346 dollars per hour and a setup time of 4.3 hours. The system also has a lot size of 487 parts. If the system must move to a 73 part lot size, how much must the setup time be reduced to keep the setup cost per part constant?
New Setup Time = ____________ hours
Q3:
A local company has machine footprints that total 6,651 square feet and 6,165 square feet of value-adding assembly area. If the plant has 28,915 total square feet of product and inventory area, what is the manufacturing-space ratio? Express your answer with two decimal places.
Ratio = ____________ %
Based on your previous answer, is this a world-class facility?
__________


Question 4:

The raw material for a product has a cost of 13.4 dollars per unit. The burden rate for the equipment that is doing all the machining operations on the part is 369 dollars per hour, the required time to finish the part is 8.28 minutes per part, while the setup time for the equipment is 1.89 hours. If this part is produced using lot sizes of 79 units, what percentage of the part cost is due to setup time? If the system must move to a 36 part lot size, how much must the setup time be reduced to keep the setup cost per part constant?
% Due to Setup = ____________ %
New Setup Time = ____________ hours

Question 5:

A very important company has annual sales of 253 million and an average annual inventory valued at 5 million. With a cost of goods sold of 0.92 per sales dollar, what is the inventory turn value for the company? What average inventory turn value would produce a turn ratio of 213.
Inventory Turns = ____________
New Average Inventory = ____________

In: Mechanical Engineering

For H2O, determine the specific volume at the indicated state, in m3/kg. (a) T = 480°C,...

For H2O, determine the specific volume at the indicated state, in m3/kg.

(a) T = 480°C, p = 20 MPa.

(b) T = 160°C, p = 20 MPa.

(c) T = 40°C, p = 2 MPa.

In: Mechanical Engineering

Determine whether the following statements are correct (y) or not (n): and explain why.. ( )...

Determine whether the following statements are correct (y) or not (n): and explain why..

( ) A system have a higher second law efficiency than the first law efficiency during a process

( ) It is impossible that the energy of one isolated system increases

( ) Adding moisture is the ONLY way to obtain saturated air from unsaturated air

( ) A Piston Cylinder device contains air. During a reversible, isothermal process the entropy of the air will never decrease.

In: Mechanical Engineering

The file CO2.txt, found on Blackboard with this assignment, contains 50 numbers, which represent the concentration...

The file CO2.txt, found on Blackboard with this assignment, contains 50 numbers, which represent the concentration of atmospheric carbon dioxide (parts per million) recorded at Mauna Loa, HI. The data in the file are the CO2 values on May 15th of each year from 1961 through 2010, (with background level CO2 removed). Fit an exponential model. Use the model to predict the CO2 value for May 15, 2015. Print the result to the screen using fprintf. The actual value was 125.1ppm.

   41.5800
   42.0100
   43.2500
   43.2400
   43.1600
   45.0100
   46.0000
   46.5700
   48.3400
   49.0700
   49.9200
   51.0700
   53.4800
   54.0900
   54.9700
   55.8700
   57.7500
   59.0100
   60.4700
   62.4600
   63.9100
   65.1400
   66.7500
   68.4300
   69.9300
   71.2100
   72.8400
   75.2200
   76.6700
   78.1600
   80.3400
   80.6600
   81.2800
   82.6800
   84.7900
   86.4100
   87.8000
   90.3000
   92.0000
   92.8200
   95.0200
   96.5500
   99.3500
  101.6100
  103.2400
  105.9400
  107.4300
  109.4900
  111.1800
  114.2200

In: Mechanical Engineering

A gas mixture contains 5 kg of N2 and 10 kg of O2. Determine (a) the...

A gas mixture contains 5 kg of N2 and 10 kg of O2. Determine (a) the average molar mass and (b) gas constant. (c) What-if Scenario:What would the average molar mass be if the gas mixture contained 10 kg of N2 and 5 kg of O2?

a) ? kg/mol

b)? KJ/kgk

c) ? kg/mol

In: Mechanical Engineering

Identify and describe three automatic control systems in a modern automobile (besides criuse control)

Identify and describe three automatic control systems in a modern automobile (besides criuse control)

In: Mechanical Engineering