Final Test American Literature II Essays - Psychometrics

Final Test American Literature II Assoc. Prof. Marie Cox Directions: Answer SIX of the following in no less than ONE paragraph. Remember to use examples from the texts to support your answers! This test is open book and open notes [not open each other!] because it deals with critical analysis, not memorization. Place your name on your answer sheet! Do NOT use any additional sources outside of your notes/text for answers! Honor! Time period: 1 hour and 15 minutes Due date: Thursday, May 2nd, by midnight Points: 60 1.Briefly discuss the significance of noblesse oblige in Faulkners A Rose for Emily. 2.Faulkners A Rose for Emily is often categorized as Southern Gothic. Briefly discuss the accuracy/inaccuracy of this categorization. 3.Briefly discuss Faulkners use of setting and time period in his story. Symbolic? Explain. 4.Flannery OConnor believed that Grace changes character, that reality is something to which we must be returned at considerable cost. So how is this reconciled or explained with a character like Joy/Hulga? 5.Will a new Joy/Hulga come out of the barn at the end of Good Country People? Defend your speculation. 6.OConnor, a devout Roman Catholic, once wrote, I see from the standpoint of Christian orthodoxy. This means that for me the meaning of life is centered in our redemption by Christ and what I see in the world I see in its relation to that. Is her philosophy evident in her stories? Explain. 7.Comment on OConnors use of weather in The Life You Save May Be Your Own. 8.OConnor once said, Evil is not a problem to be solved but a mystery to be endured. Do we see this in her stories, her characters? Explain. 9.What does the main character in No Name Woman mean when she says My aunt haunts me? 10.What is the connection between the title Woman Hollering Creek and Cleofilas? Explain. 11.Discuss the themes of silence, repression, and being caught in two cultural worlds, as seen in Kingstons No Name Woman. 12.Discuss the role of talk story in Kingstons works. Feel free to answer an extra question from above for possible bonus points!

Hunting Should Not Be Outlawed Essay Example

Hunting Should Not Be Outlawed Essay Example Hunting Should Not Be Outlawed Essay Hunting Should Not Be Outlawed Essay Hunting should not be outlawed. It is still a source of food for people who still live off the land . Hunting can be a very effective method of population control. Hunting is a sport of tradition it offers recreation from everyday life. Hunting animals for food is better for people because it does not have all the hormones that farm raised animals have. There aren’t very many diseases that affect humans in wild animals. Majority of the animals that have seasons are edible. Hunting is a very effective method of population control. If too many animals of one species or several related species live in one area they could possible wipe out there entire food source or sources. Then many of them would starve to death which unknown to the tree huggers that want to stop this is a very painful death, being shot is a very quick painless death. Hunting can save an ecosystem and entire species, by killing some of the animals in the ecosystem you can save the food source for the animals still left living. Hunting is a tradition in most of the world. People have been hunting for tens of thousands of years. Many people still use hunting as their many food source throughout the world. It is also a recreational activity. Tradition’s should not be outlawed. Hunting can help save the environment in which they live in by population control. It is a source of food. It’s an activity that people have been using to get away from society as we know it for several years. In conclusion Hunting should not be outlawed.

Surgical Site Infection in Post-Op Patients Research Paper

Surgical Site Infection in Post-Op Patients - Research Paper Example Its impact on mortality, morbidity, and cost of health care has resulted in its identification as a top nationwide priority in the healthcare sector. The majority of surgical site infections are unnecessary and preventable to a large extent. They account for forty percent of all the infections acquired in hospitals. On top of that, they contribute to a longer recovery, further threat of other complications, additional pain, and even death in extreme cases. Research conducted has also revealed that surgical patients who develop complications from the surgical site infections are twice likely to die compared to those not infected (Dellinger, Hausmann & Bratzler, 2005). Furthermore, they have sixty percent more chance to be admitted in ICU, the hospital stay becomes longer, and lastly the readmission rate increase as six times more compared to those patients without infections (Griffin, 2005). These factors have demonstrated the need for interventions to prevent surgical site infections from affecting surgical patients. Several interventions are put in place by various groups to reduce surgical site infection rates and mortality of patients. These groups comprise the National Quality Forum, the Joint Commission on Accreditation of Healthcare Organizations and the Centers for Medicare and Medicaid Services. They have collectively recommended the use of prophylactic antibiotics to prevent surgical site infections. The SSI avoidance through prophylactic antibiotic use consists of three core elements. These elements are appropriate selection, first dose timing, and discontinuation of the dose postoperatively. Selecting an appropriate antibiotic to prevent an infection is extremely beneficial. The antibiotic selected should be one that can effectively work against the microorganism likely to cause surgical site infection (Kurtz, 2011). The antibiotic selection varies depending on the kind of surgery. Physician and clinical experts from various health bodies, boards, an d groups have developed guiding principles for appropriate antibiotic selection (Surgical Infection Prevention Guidelines Writers Work group 2004). From the proposed strategies, hospitals are anticipated to create inter-department protocols based on local consensus and formulary of the practitioners. The protocols are the guidelines that direct the medical staff on what to do in cases of emergencies. In this scenario, they assist in ensuring that the most appropriate antibiotic is chosen since they can be prepared beforehand and performed by the nursing and pharmacy personnel. In this situation, the need to note down a unique antibiotic order for every surgical patient is reduced. Furthermore, the unique regimen may contain an error or some portion of it may be inadvertently omitted (Griffin, 2005). The protocols are therefore developed with the assistance of local experts, the physicians, and surgeons handling the infectious disease at the hospital. The protocols contain clear guid elines to direct the staff on recommended substitutes in case allergic reactions occur, or the criterion as to when a doctor should be notified for a different antibiotic order. The antibiotic protocols should be reviewed, renewed, and updated annually basing the changes on the accessibility of medicines and amendment in guidelines nationwide. The timing of the antibiotic administration is another fundamental aspect in preventing surgical site inf

Political movement Essay Example | Topics and Well Written Essays - 1000 words

Political movement - Essay Example ( Schock, 2005), has made a study of the phenomenon of non-violent resistance in authoritarian contexts by taking the political movements in six countries as comparative case studies. The countries he put under this socio-analytical scanner are South Africa, Burma, Philippines, Nepal, Thailand and China. He further makes a distinction between the movements as those won a democratic victory and those who failed under repression. South Africa, Nepal, Philippines and Thailand are the winning examples of democracy, while Burma and China still remain under the autocratic rule. The study is limited in time, its purview being a rather historically short period which extents from 1980 to 2005. In his book, Kurt Schock’s attempt is focussed on evolving a set of cause-effect equations underlying these successes and failures. The social movements of Burma and South Africa are particularly significant to our review of this work, as the former failed just after reaching the brink of success, while the latter persevered and went up to the victory post in full glory and flamboyance. In view of the great momentum that both political movements achieved in late 80s, it was only natural to expect both to be victorious. The search for a reason to why this did not happen led Schock to point out certain factors key to the success of a non-violent social movement under an authoritarian regime. Kurt Schock says that, two basic conditions must be met for a resistance movement to contribute to political transformations. First, â€Å"the challenge must be able to withstand repression, and second, the challenge must undermine state power† (2005, p.49). These are the two broad yardsticks used to analyse the social movements in Burma and South Africa. He also theorizes that social and political transformation occurs only after a sustained period of challenge in which multiple forms of

Define supply and explain what causes change (shifts) of supply and Essay - 1

Define supply and explain what causes change (shifts) of supply and how supply can determine prices - Essay Example These players will try to compete with each other to provide significant amount of value to the customers and thereby generating competitive advantage. It is important to note that the state of equilibrium attained by the intersection of demand and supply curve keeps on moving and is not constant in nature. As a matter of fact, it can be said that there can be various factors which may lead to shifts in supply curve. Abrupt rise of prices of certain commodities, which has happened due to the rise of inflation rate in recent times, can at times lead to significant changes in supply. Due to the significant rise in prices of commodities, the general masses become incapable to purchase the same at high rates. This results in building up of inventory. As a precautionary measure to cool down inflation and maintain a significant amount of balance in the market, the suppliers and manufacturers focus on lowering down the supply rate of the commodities (Mankiw, 1998, p. 80). The effect of recession can also induce significant amount of supply shift. In times of recession, for the purpose of boosting the economy, the rate of interest is generally reduced. This automatically contributes to a significant rise in the institutional lending as well as boosting of production of various commodities in the economy. Hence, recession can also initiate significant shifts of supply of commodities in the economy of a particular region (Mankiw, 2011, p. 745). It is observed that the price of multiple input variables and resources can bring about a significant influence in the supply of a particular commodity. It can be said that in the case of rising input prices, there might be immense pressure on the manufacturer to cut down on various costs. This might contribute to a lower amount of production by the manufacturer. Hence, this can automatically contribute to a movement in commodity supply in the market

The Dc Motor Speed Control Methods Engineering Essay

The Dc Motor Speed Control Methods Engineering Essay ABSTRACT This paper describes the Matlab and simulink converts into actuality of the DC motor speed control methods, namely field resistance, armature resistance control methods and armature voltage, and feedback control system for DC motor drives and this paper describes mathematical modelling, simulation of DC motor system using computer simulations Matlab and simulink, by this system response to change various parameters like system stability, disturbances, analysis and optimization of model parameters with respect to the quality of control. If simulation techniques are used for determining the control parameters a simulation model is necessary, which has to be constructed from the analytical model. INTRODUCTION DC Motor is an electrical motor and it most commonly used in an electrical device for easy to drive the instruments, steel rolling mills, electric cranes, and robotic manipulators due to precise, wide, simple, and continuous control characteristics. To control the speed of low power DC Motor rheostatic armature control method were used. The basic parts of the DC motor are- axle, rotor (armature), stator, commutator, field magnet, and brushes. In the geometry of brushes, commutator contacts, and rotor windings are arranged in such a manner so that when power is applied then polarities of the energized winding and the stator magnets are misaligned and the rotor will start to rotate until it is almost aligned with the stators field magnets. When the rotor reaches to alignment, the brushes move to next commutator contacts, and energize the next winding. There are variable types of DC Motor available in market with the good and bad qualities. Bad quality means lag in efficiency. To recover or stop this kind efficiency problem controller is introduce in the system. Brushed DC motors are most widely used in applications and its ranging from toys to push-button adjustable car seats. Brushed DC (BDC) motors are inexpensive but easy to drive. Brushed DC motors are easily available in all size and shape with the wide range from large-scale industrial models to small motors for light applications (such as 12 V DC motors). . BDC motors are most commonly used in easy to drive, with variable speed and high start-up torque applications. OBJECTIVE The Fig.1 shows the analogues electrical circuit. MODELLING The circuit which was given is drawn in the Matlab by using simulink. In the circuit diagram the flow of current BLOCK DIAGRAM Figure shows the block diagram of DC motor TRANSFER FUNCTION K/{(Ls+R)(Js+f)+K2}  Ã‚ ± 1/s Vapp Fig 4.1. Transfer Function STATE SPACE MODEL As we know that, V- .†¦. (1) †¦.. (2) Substituting equation (2) in (1) †¦. (3) .†¦ (4) †¦Ã¢â‚¬ ¦. (5) Substituting (5) in (4) †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ (6) Differentiating (6), we get †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. (7) Putting (3) in (7), we get †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ (8) Now †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ (9) Substituting (9) in (8), we get We know that x=Ax + Bu Y=Cx + Du X= The State Space Model represents by the linear equation and it is written as. x= Ax + Bu y = Cx + Du Below figure shows the state space model (Calculation is in appendix) Figure 5.1 State Space Model PHYSICAL SYSTEM Consider a DC Motor, in this electrical circuit of the armature and free body diagram of rotor are shown in figure below. http://zone.ni.com/cms/images/devzone/tut/mpm-2-motor1.gif Fixture: DC Motor is a common actuator in control systems. Brushed DC Motor fundamentals A Brushed DC Motor consists of stationary fixed permanent magnets i.e. stator, a rotating electromagnetic i.e. rotor and flux, which is concentrated by metal. Rotor rotate by the attraction of the opposite poles and repulsion of the like poles, it cause to generate torque and torque acts on rotor and then make it turn. As the rotor start to rotate or turn then fixed brushes make and breaks the contact in such a way that with the rotating segments (commutation). The rotor coil of the brushed motor energized and de-energized in such a way so that the rotor start to turns. By transferring the power to the motor, current generate in rotor coils and therefore the north and south poles are reversed and because of the motor change the direction. From the Strength of the magnetic field, speed and torque of the motor depend Figure (1) Brushed DC Motor PRINCIPLE OPERATION Construction and operation of the Brushed DC Motor is shown below in figure (2).for the construction of the BDC motor always the same components are required i.e. Stator, rotor, commutator and brush. Figure (2) Simple two-pole brushed DC Motor Stator The rotor surrounded by the stationary magnetic field which is generated by the stator and this filed is generated by the permanent magnet or electromagnetic winding. On the construction of the stator, different types of BDC distinguish. Rotor Rotor is also known as an armature and it is made up of one or more windings. Magnetic field is produce when they energized. When the opposite pole of the magnetic poles, attract to each other which is generated by the stator, and causing the rotor to turns. The opposite poles are always attracting to each other. As the motor turns, the windings are being constantly energized. This deviation of the field in the rotor is called as an armature. Brushes and commutator There is no requirement of controller in BDC to switch current in motor winding. The commutation winding of the BDC motor is done mechanically. Reside on the axel of rotor there is a segmented copper sleeves called commutator. Carbon brushes slides over the commutator coming in a contact with the different segments of the commutator as the motor starts to turn. When the voltage is applied across the brushes of the motor then dynamic magnetic field is generated inside the motor. Brushes and commutator are the most important parts of the BDC motor that are most prone to wear because they are the sliding part to each other. SPEED CONTROL The Speed of a DC Motor is directly proportional to the voltage. By using the digital controller voltage can be control and to generate the average voltage pulse-width modulated (PWM) signal is used. In motor there is a motor winding which acts as a low pass filter so PWM develop a suitable current in the motor winding. ADVANTAGES Cheap in price because low cost of construction. Extend a life by replacing a brush. Inexpensive motor and simple control. Speed/Torque is normal at high speed. On fixed speed no control is required, Controller is required only at variable speed in this condition same controller can be used. DISADVANTAGES Maintenance is required for brushed DC Motor because of brush. If the brush friction increases, reduce the useful torque. Heat dissipation is poor because of internal rotor construction. Speed range is limited because of the mechanical limitation on brushes. Life is also shorter. Noise is generated due to brush. Application examples: moving toys, fans, printers, robots, electric bikes, -doors, -windows, -sun roofs, -seats, mixers, food processors, can openers, blenders, vacuum cleaners, toothbrushes, razors, coffee grinders, etc. Physical Parameters Moment of inertia of the motor (J) = 9.89 E-7 kg Nm s/rad Damping ratio of the mechanical system (b) = 5.84E-7 Nm s/rad Electromotive force or motor constant (K=Ke=Kt) = 0.008 Nm/-w Electric resistance (R) = 0.80 ohms Electric inductance (L) = 0.00041H Friction coefficient, f Input (V): Source Voltage Output (theta): position of shaft the rotor and shaft are assumed to be rigid CONCLUSION Brushed DC motors are very simple to use and easy to control, which makes them a short design-in item. PIC microcontrollers, especially those with CCP or ECCP modules are ideally suited for driving BDC motors. Refference Circuit Diagram for DC Motor Control by A. Collins http://www.nxp.com/documents/application_note/AN10513.pdf http://ww1.microchip.com/downloads/en/AppNotes/00905a.pdf http://www.orientalmotor.com/MotionControl101/AC-brushless-brushed-motors.html http://ww1.microchip.com/downloads/en/AppNotes/00885a.pdf http://www.dynetic.com/brushless%20vs%20brushed.htm file:///D:/matlab/index.php.htm

Malcolm X :: essays research papers

  Ã‚  Ã‚  Ã‚  Ã‚   Introduction   Ã‚  Ã‚  Ã‚  Ã‚  Malcolm X was a great African American Leader, but there is one question that comes to mind when his name is mentioned. Why was Malcolm X such a controversial man? I will now tell you about the life and times of Malcolm, and while doing so, attempt to answer this, o so timely question that so many have asked. Early Life   Ã‚  Ã‚  Ã‚  Ã‚  Malcolm Little was born in 1925, in Omaha, Nebraska. His mother, Luis Little was a house wife. His father, Earl Little was a well-known Baptist Minister. When Malcolm was three years old, white supremacist's threats to his father forced the rather large family the parents had, to move. They chose to settle in Lansting, Michigan. But this homestead would not last for long. Soon after, their house was turned to ashes by more Area Nation members. But the hate would not stop there.   Ã‚  Ã‚  Ã‚  Ã‚  Only two years later Earl Little has found dead on the trolley tracks. The Police, of course, presumed both the death, and the fire, accidents. But Malcolm and his family knew the hateful truth.   Ã‚  Ã‚  Ã‚  Ã‚  These Events led to the mental sickness of the tattered widow and mother, Louis Little. She was committed to an Institution (Barbara Haberman, 2002). Malcolm and his brothers and sisters were split up into foster homes and orphanages.   Ã‚  Ã‚  Ã‚  Ã‚  Despite all this tragedy, Malcolm became a good student in Elementary and middle school. He had dreams of becoming a successful lawyer someday. But one teacher, that Malcolm had favored, shattered these dreams in just one ignorant statement. He told him that this aspiration of becoming something of such a profession, was â€Å"no realistic goal for a nigger†-Teacher‘s name not known- (Barbara Haberman, 2002). This statement, that if told to any white man of that time, would have been thought to be true. Malcolm soon turned away from school and all he had cared about. Malcolm’s Imprisonment   Ã‚  Ã‚  Ã‚  Ã‚  In High School, Malcolm became rebellious. After he later dropped out, he became a hustler while going through odd jobs. New York City was the place for this zoot suit wearing bad boy. For four years he shifted between NYC, Boston, and Michigan. Soon Malcolm had gotten caught up the conation and lost trace of his morals. He was even caught staling from friends and family. Once Malcolm said he wanted â€Å"to fight for the Japanese and kill crackers (white people)† ((whole paragraph) William Strickland, 1964)   Ã‚  Ã‚  Ã‚  Ã‚  In 1946 Malcolm was sentenced to 10 years in Massachusetts State Prison for the burglary he had recently committed.