Safety and Reliability Engineering Past Paper

Objective: Using a marble launcher, launch marbles from different angles with different forces to find the maximum height and the velocity as it leaves the launcher. Using different variables and results to determine how the different angles and amounts of force effect the variables. With this data show the effect the forces cause in 1-D and 2-D motion, as well as in the X and Y directions. This is done through kinematic equations and calculations.

11) The gas accumulation in the balloon was measured and recorded at one minute intervals for a total of 10 minutes (qualitative observations were included)

If the volume of the combustion container is 10.0 L, calculate the final pressure in the container when the temperature is changed to 110.° C. (Assume no oxygen remains unreacted and that all products are gaseous.)

Let the mass of the fired bullet be Mb. It is fired at an initial velocity of v. The momentum

Given m = 10 kg and gmoon = gm = -9.8/6 = -1.633 m/s², find the weight.

keep the contaminant level at or below the LEL, which is stated above to be

Therefore the higher the ramp the more potential energy the marble will have when it exits the ramp. The energy at the bottom of the ramp has to have the same potential energy energy as that of from the top of the ramp, this is addressed with the kinetic formula k = 12mv2. The law states that the conservation of energy has to be the same therefore k = E or mgh = 12mv2. This equation can be rearranged to evaluate the velocity that the marble is going when it leaves the ramp and the distance the marble will travel. This investigation is going to look at both the velocity and the range the projectile will travel with dependency to the ramp height. (NOTE air resistance is being ignored, this means that the velocity is going to have a constant horizontal

2. Note that the balloon in the chamber is filled with 0.300 moles of an

From there, the equation is solved for velocity, as in Equation 3. v = 2gh (3) To find distance, Equation 4, a projectile motion equation was used to find time first.

The purpose of this lab is to study the principles on conservation of energy and conservation of momentum. We used a ballistic pendulum, which determines the speed of a bullet shot from a gun, to shoot a steel ball into a pendulum to create a completely inelastic collision. A completely inelastic collision is when two objects collide with one another, stick together, and move with the same final velocity in the same direction. In a completely inelastic collision, total kinetic energy is not conserved, some is lost producing heat and sound. We determined the initial and final velocity which was then used to calculate the kinetic energy before and after the collision.

In regards to combustion, pressure and temperature are both directly correlated to the rate of combustion. This logically follows due to the application of the combined gas law, specifically the pressure-temperature law discovered by Guillaume Amontons. He found that the temperature of a gas is directly proportional to its pressure, due to the way that pressure and temperature interact on a molecular level (TAMU SOURCE). As the temperature of a gas increases, its molecules are bouncing off of each other at a higher rate of speed, which in turn causes them to bounce off of the interior walls of its container at a higher rate of speed. This higher rate of bouncing off of

5. If velocity of a body becomes double, then what will be its K.E. become?

GM=the gravitational constant x mass of the sun or (6.687x10-11) x (1.989x1030) which equals 1.327x1020

After that, it is crucial to convert the mass to volume. The water density at a temperature will aid this process. The compliance of the Volume Occupied by 1.000g of Water Weigh in Air table is deemed necessary throughout the comparison.

Several studies have focused on the characteristics of planar V-shaped flames subject to different levels of free stream turbulence [5–13]. In these studies, flame front topology along with the variation of different statistical parameters – flame brush thickness, flame surface density, area ratio (AT/AL), 2-D curvature and displacement flame speed have been studied by employing laser tomography techniques. In practical devices, combustion occurs under highly turbulent conditions where both the velocity fluctuation (u’) as well as integral length scale of the flow (lo) are large. However, in all of these previous studies of V-shaped flames, the free stream turbulence intensity has been limited to ~17% and integral length scales of the flow were much smaller than those present in practical combustors. In our recent work [14,15], detailed characteristics of lean propane/air flames subjected to low (~4%), moderate (~14%) and intense (~24 and 30%) levels of turbulence have been investigated by simultaneous OH PLIF, CH2O PLIF and particle image velocimetry (PIV). At low turbulence intensity, flame front featured weak corrugations and mostly symmetric flame structures with continuous heat release regions. Pronounced formation of cusps and unburnt mixture fingers were observed as the turbulence intensity was increased from 4 to 14 % without discontinuities in the heat