Outdoor Survival Challenge Post #19

On April  30, 2015  my class had left the school to go to a nearby forest area for a survival outdoor challenge. We had to build a sort of  shelter that seemed acceptable to use in survival .My  group consisting of Terrell, Brianna, Ben, and Tut had suggested building different types of shelter, but I just went straight to building. Later on  the group stop planning and just went with my plan. We had built an impressive shelter that even got the teacher's approval.

Technology Bowl Practice

1.What is mixed with the gasoline fuel for two-cycle engines?
Lubricating Oil
2.What is the measure of potential difference in electricity?
Voltage
Originally, many people thought of the car as a:
Horseless Carriage
3.Which instrument measures electrical current?
Ammeter
4.What is a rounded part on an object that makes smooth transition from one surface to another?
Fillet
5.Skylab, the first US space station, still orbits the Earth today. (T/F)
False
6.In house construction, which of the following is the normal spacing of studs in a house frame?
16" on center
7.______________ is a chamber designed to allow movement between compartments containing air at different pressures.
Airlock
8.MIPS, a common speed measurement for computers, stands for:
Millions of Instructions per Second
9.Human speech can be divided into a set of discrete sounds known as:
Phonemes
10.What is the typical alternating current voltage from a wall receptacle in the United States and Canada?
110V
11.In a drawing, all the points about an object that cannot be indicated on the drawing are given as:
Specifications
12.In business jargon, what does CEO stand for?
Chief Executive Officer
13.What is a manually operating device for opening and closing an electrical circuit?
Switch
14.Which federal organization describes its mission as "protecting the electromagnetic spectrum?"
FCC
15.______________ is a process used to find new ideas and develop them into successful products
Research and Development
16.Soldering, welding, and ___________ are the three ways to join metals together.
Brazing
17.Who was the first person to hear a human voice transmitted by the telephone?
Thomas Watson
18.What are two ways to form metals?
Casting and Forging
19.What are the four types of TSA membership?
Active, Alumni, Professional, Honorary/Honorary Life
20.What is the refrigerant frequently used in electric cooling units?
Freon

Midterm Study Guide for Semester 2-Engineering

1.       Advantages of Pneumatics over Hydraulics– (write/type the 5 key things from the flashcards here)

ü  Hydraulics means use of pressurized fluids to execute a mechanical task.

ü  Commonly seen hydraulics based equipment types are hydraulic presses, hydraulic hoppers, hydraulic cylinders, and hydraulic rams

ü  In order to affect mechanical motion, pneumatics employs compression of gases, based on the working principles of fluid dynamics in the concept of pressure.

ü  Any equipment employing pneumatics uses an interconnecting set of components: a pneumatic circuit consisting of active components such as gas compressor, transition lines, air tanks, hoses, open atmosphere, and passive components.

ü  Hydraulics present certain advantages over pneumatics, but in a given application, pneumatic powered equipment is more suitable, particularly in industries where the factory units are plumbed for compressed air.

2.       Chapter 18 -  (write/type 3 key things from the flashcards here)

ü  Which technologies apply the concepts of Newton's third law? jet airplanes, fireworks, and recoil guns

ü  What is meant by the term "resistance"? Resistance opposes forward movement.

ü  What is Newton's Third Law? Use it to explain how a rocket engine propels a spacecraft into outer space? Every action has an equal and opposite reaction. Thrusters will propel the spacecraft into outer space by pushing hot gases out a very high velocity. According to Newton's third law, the spacecraft will experience an equal and opposite force, propelling it upward into space. Also, acceleration of the games times their mass equals the acceleration of the rocket times its mass.

3.       Chapter 19 -  (write/type 5 key things from the flashcards here)

ü  Other engineers have tackled the problem of making more efficient cars. What are some new car technologies in development today that are designed to reduce the use of fossil fuels? Hybrid vehicles have both gas engines, and electric motors and batteries, so they can use both energy sources, either one at a time or together. Hybrid vehicles capture energy from braking to generate electricity and charge the batteries. Solar - powered vehicles use photovoltaic (solar) cells.

ü  What is the relationship between volume, temperature, and pressure that is useful for designing engines? Volume, temperature, and pressure are related by the equation "Pressure (P) is proportional to the temperature (T) of the gas, divided by the volume (V) of the chamber. "

ü  Give both an advantage and a disadvantage of a diesel engine over a gasoline engine.

Diesel engines are more powerful, and therefore are used to power trains, cargo ships, and other heavy vehicles. Diesel engine exhaust contains more soot and other particulate pollutants than gasoline engines.

ü  What information would you need to know to determine the force with which the piston pushes the air during the second step of the diesel cycle? P=F/A, therefore F= A x P. You would need to determine the pressure in the chamber and the surface area of the piston.

ü  What is the difference between a gas engine and diesel engine?

The main difference between the two types of engines is in the way that they ignite the gas-air mixture. Gasoline engines take in a mixture of gas and air, compress it, and then ignite it with a spark plug. Diesel engines take in just air, compress it, and then inject fuel into the compressed air. The air is compressed enough to raise its temperature sufficiently so that the injected fuel will ignite it.

4.       Inside the Teenage Brain – (write 3 key facts)

ü  What effect do sleep debts have on the brain?

Some say these sleep debts can have a powerful effect on a teen's ability to learn and retain new material -- especially abstract concepts like physics, math, and calculus.

ü  How does lack of sleep affect the teenage brain?

Sleep affects memory and learning.

ü  What is one of the enduring lessons for parents in the video?

Even though the public perception is about building bigger and better brains, what the research shows is that it's the relationships, it's the connections, it's the people in children's lives who make the biggest difference."

5.      Chapter 20 (write/type 5 key things from the flashcards here)

There were no flashcards on chapter 20

TSA Project-Promotional Graphics

I created this promotional graphic for  project using  some help from some applications. I had used the Google search engine for the background image and additional graphics, including some pictures. Also I created this graphic with the help of Google drive drawing application.

Post # 14- Putt Putt Boat

The experience making the Putt Putt Boat was a bit challenging but interesting. We did finish the project, but there were a few minor setbacks in the design. In the end my group's boat ended up burning down a bit.

New Year's Resolutions #13

My New year's resolution starts off with becoming a better person, with a renowned perspective on life and my spirituality. Also to stop cursing and be less aggressive. I will be more studious and will try to gain a better understanding in math and chemistry. And try to stop procrastinating and stubborn. I will try to stop rushing to school early in the morning. 
 

Omolola Solaru's #12-Tecgnincal drawing and quizzes