...Partner Rotation: Direct and Indirect Consequences to Audit Quality Key Points: * In order to improve audit quality by making auditors more independent, regulators mandate partner rotation and cooling-off periods. Specifically, partners would be required to rotate off to another client every five years. As stated in the article, rotation improves independence resulting in a positive impact on audit quality. * However, more often than not, partners would much rather enter a new industry than relocate to preserve their quality of life. Most partners opt to retrain rather than relocate, thus affecting audit quality negatively. Based on the findings described in the article, 93% of audit partners reported needing at least two years to become fully effective in a new engagement. Even partners who stay within the same industry line need some time to get used to differing information technology and other processing systems, client personnel, corporate governance characteristics, and the time it takes to gain client trust at the senior management and board levels. * There are some costs related to rotations, and a cost-benefit analysis should be performed. With that said, it might be hard to quantify the costs and benefits of this situation. How do you weigh the improvement in audit quality due to independence against its decline due to a lag in audit effectiveness (resulting from either a change in client or a change in industry altogether)? * Rotations would...
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...Mental Rotation: The Effect of Orientation towards the Reaction Time in Determining the Version of Letter UNIMKL- 012480 University of Nottingham Malaysia Campus Abstract This study is the replication of Cooper and Shepard’s (1973) study on mental rotation. This experiment is mainly designed to investigate a) the relationship between the angles of rotation of the alphabetical characters and the reaction time to determine whether the letter presented is normal or reversed position and b) whether the mean of the correlation coefficient is significantly greater than zero. A group of fifty- five first year undergraduate students who are studying Psychology course were recruited in the within- subjects experiment. In this experiment, the participants were showed the alphabetical characters (capital letter G and R) in both normal and reversed position in which oriented at different angles of rotation, the participants were required to determine whether the letter presented was in normal or reversed version as accurate and quickly as they can. The results obtains showed that the reaction time increases as the angle of rotation larger and the mean of the correlation coefficient was significantly greater than zero. Thus, this study suggesting that the orientation does affect the reaction time and correlate each other. Keywords: mental rotation, mental imagery, orientation, correlation coefficient, alphabetical characters, normal, reversed The Effect of Orientation towards the...
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...strange realization to see that walking foot over foot on a tightrope takes balance in any scenario. The ability to walk on a tightrope however does revolve physics and its properties. Angular rotation, (w=L/I), angular momentum, (L=IW), and moment of inertia,(I=mr^2), are three major physical categories and characteristics that play a part in a tightrope walker’s ability to stay on the rope and not fall to his potential demise. But how does a tightrope walker increase his chances of staying on the rope? Often times one can see a tightrope walker carrying a large pole, a pole with heavy weights on the end, bending his knees, or extending their hands outward. All of these actions help to increase the ropewalker’s chances of success. Picture the rope as the axis. When a tightrope walker embarks on his journey, he must stay constantly positioned over that axis to maintain balance. Carrying a pole horizontally helps to distribute the ropewalker’s mass laterally in a direction away from the axis, or rope. Having a pole in hand helps to increase stability because the ends of the pole are constantly being acted upon by a variety of forces that are trying to change their position in the air with every step. The heavier the pole the more force will be needed to alter the poles position and begin rotation around the rope. Heavy weights can sometimes be placed on the end of the pole increasing stability. More force will be needed to move the heavier pole. The weights essentially amplify the pole’s...
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...mice rotate, somehow setting up a flow in the surrounding fluid that defines the left–right axis. A team led by Nobutaka Hirokawa of the University of Tokyo supplies another piece of the puzzle by showing exactly how the cilia’s movement sets up the directional flow. The researchers found that the cilia rotate around an axis tilted 40 backwards. The same rotation was observed in rabbit and medakafish embryos, suggesting that the mechanism, previously studied only in mice, defines asymmetry in other vertebrates. Paraphrasing of Research Highlight: When studying developmental biology researchers found that embryos start as a uniform ball of cells, however, they were questioning why do these embryos end up asymmetric. Research experiments were done on mice, researchers found that the cilia on the embryos on mice rotate and this rotation controls the flow of the surrounding fluid explaining the left-right axis. Further research was done and the experiments showed that the rotation of the cilia on the embryo is rotated 40 degrees backward on an axis. Experiments were also made in rabbits and medakafish embryos and the rotation in the cilia was observed. These results explain asymmetry in the other vertebrates. Cited References Ban k, Cooper AJ, Samuel S, Bhatti A, Patel M, Izumo S, Penninger JM, Backx PH, Oudit JY, Tsushima RG. 2008. Phosphatidylinositol 3-Kinase γ is a Critical Mediator of Myocardial Ischemic and Adenosine-Mediated Preconditioning. Integr Physiol. 103:...
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...for grinding wheat or grains, with speed difference and relative rotation of the roller. When the material through a certain distance between the two rollers, the endosperm scraping from wheat skin, and ground into flour. The flour mill noise arising therefrom. In the quality of survival in the market competition, it is very important to reduce the noise. If the design of the flour mill body structure is unreasonable and the processing precision is not high, it will produce noise. When the two parallel rollers rotate in opposite directions, the rolling distance of general milling system is 0.1~0.8mm, the heart grinding system is 0.01~0.05mm. When the radial pulsation is relatively large, then the operation will not stable. Two grinding rollers are not flat, and grinding operation is not stable thus produce noise. The grinding roller is made up of both ends of the roll body is pressed into the shaft machining, the outer layer is chilled alloy cast iron with high hardness, the inner layer is gray. Roller body is longer, the two ends of the hole processing and the middle is not processed, due to the machining error of the roller and the material of the roller body is not uniform, the grinding roller is not balanced and the vibration is generated. The accuracy of the roller bearing is not high, and the design of the parts and the structure of the bearing is unreasonable, all these reason will cause bearing rotation accuracy is not high, short lived and noise increased. More information...
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...TORSION Consider a bar to be rigidly attached at one end and twisted at the other end by a torque or twisting moment T equivalent to F × d, which is applied perpendicular to the axis of the bar, as shown in the figure. Such a bar is said to be in torsion. TORSIONAL SHEARING STRESS, τ For a solid or hollow circular shaft subject to a twisting moment T, the torsional shearing stress τ at a distance ρ from the center of the shaft is and where J is the polar moment of inertia of the section and r is the outer radius. For solid cylindrical shaft: For hollow cylindrical shaft: ANGLE OF TWIST The angle θ through which the bar length L will twist is where T is the torque in N·mm, L is the length of shaft in mm, G is shear modulus in MPa, J is the polar moment of inertia in mm4, D and d are diameter in mm, and r is the radius in mm. POWER TRANSMITTED BY THE SHAFT A shaft rotating with a constant angular velocity ω (in radians per second) is being acted by a twisting moment T. The power transmitted by the shaft is where T is the torque in N·m, f is the number of revolutions per second, and P is the power in watts. Problem 307 A solid steel shaft 5 m long is stressed at 80 MPa when twisted through 4°. Using G = 83 GPa, compute the shaft diameter. What power can be transmitted by the shaft at 20 Hz? Solution 307 answer answer Problem 308 A 2-in-diameter steel shaft rotates at 240 rpm. If...
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...National Aeronautics and Space Administration Educational Product Educators Grades 5–12 & Students EB-2001-12-019-JPL Educational Brief C A S S I N I S C I E N C E I N V E S T I G A T I O N The Spinning World of Spacecraft Reaction Wheels Objective To demonstrate how reaction wheels (also known as momentum wheels) take advantage of Newton’s Third Law to control a spacecraft’s orientation. Time Required: 1 hour Saturn System Analogy: Cassini’s Reaction Wheel Assembly and its use during orbital operations at Saturn Keywords: Gyroscope, Interplanetary, Momentum, Orientation, Reaction M AT E R I A L S • D-cell battery. This will provide half of a 3-volt motor’s rated performance, which is just about right. • About 6 feet of thin wire pair, 28 gauge or so (available at electronics parts stores and hardware stores that carry a wide ranges of wire gauges). Use stranded rather than solid-conductor wire to provide flexibility. The thinner, longer, and more flexible, the better. • Optional: a switch or pushbutton, with a normally open circuit (available from electronics parts stores for a few dollars). If the switch is not used, the motor is controlled by touching the wire to the battery terminal. • Optional: a potentiometer (available from electronics parts stores) or other means to vary the voltage supplied to the motor • Cassini spacecraft paper model (available through the Cassini web site at http://saturn.jpl.nasa.gov/ cassini/english/teachers/classroom.shtml/);...
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...Reaction Paper on the Core The Core is a film that is about the sudden stop of the Earth’s core that causes many sudden happenings like the birds suddenly start flying in all directions like they were blind and were going mad but because of that the geophysicists agree to drill down to the core and restart the rotation before all humans in the world would die. The scenarios are likely the scenarios in end of the world movies but in this movie the thing that make it the end of the world is the cores rotating that is stopped due to the government. As the geophysicists go down the Earth’s core using a laser that causes the ground to have an opening which they went through using a vehicle that could withstand the heat in the core. The special effect were truly amazing and like it is truly happening and as they went down the core and since I don’t know the real picture of core in this movie it gave me an idea of what the core really is. The sounds are good and the actor’s performance was good also. The wild behavior of the birds in London is caused because birds rely on the Earth’s magnetic poles to guide them in migration and in flight. Because of the core, the magnetic poles of the Earth is distorted or has disappeared making thousands of birds flying all-around without following any directions. And so, suddenly each one of them starts crashing towards statues, buildings, vehicles and other else. The ending wasn’t that exciting because it is like that they just bomb...
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...set leader. Orpheus is committed to excellence and it is a leadership by committee organization. This atmosphere enhances creativity amongst its members but not in a chaotic fashion. This is because they are all committed to the mission of bring fine music to their constituencies. A company like Kraft and others can observe and figure out a way to structure parts of their organizations in order to create the same atmosphere of accountability, teamwork and shared leadership. This would flatten the organization and create a more entrepreneurial spirit in an otherwise traditional organization. Orpheus rotates the concertmaster position among core-group members. What is the logic of rotating the leader? The rationale behind the rotation is that everyone in the group is heard and as they stated, it alleviates some of the pressure of people getting their way all the time. By rotating the core-group members, there is no power base or cliché that is formed that could potentially dominate the course and direction of the group. It also enables different members of the group the opportunity to develop their leadership skills. It is imperative that all of the group members be equipped with that skill because they are all leaders and they represent the group as a whole. Also, by rotating the leaders, each person understands the importance of staying on task and not being bogged down by a particular discussion or decision. So when it is your turn to moderate the group and you instruct...
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...Illustrating How Mechanical Assemblies Work Niloy J. Mitra1,2 1 Yong-Liang Yang1 3 Dong-Ming Yan1,3 4 Wilmot Li4 5 Maneesh Agrawala5 Univ. of California, Berkeley KAUST 2 IIT Delhi Univ. of Hong Kong Adobe Systems (1) (2) (3) (4) (5) (6) motion analysis driver annotated illustration causal chain Figure 1: Given a geometric model of a mechanical assembly, we analyze it to infer how the individual parts move and interact with each other. The relations and motion parameters are encoded as a time-varying interaction graph. Once the driver is indicated by the user, we compute the motion of the assembly and use it to generate an annotated illustration to depict how the assembly works. We also produce a corresponding causal chain sequence to help the viewer better mentally animate the motion. Abstract How things work visualizations use a variety of visual techniques to depict the operation of complex mechanical assemblies. We present an automated approach for generating such visualizations. Starting with a 3D CAD model of an assembly, we first infer the motions of individual parts and the interactions between parts based on their geometry and a few user specified constraints. We then use this information to generate visualizations that incorporate motion arrows, frame sequences and animation to convey the causal chain of motions and mechanical interactions between parts. We present results for a wide variety of assemblies. Keywords: mechanical assembly, motion depiction...
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...about job rotation. According to the manager’s notebook, there are six different types of ways to rotate job duties between employees: project rotation, partial rotation, cross functional rotation, cross region rotation, temporary rotations, and interdepartmental mentoring (Balkin, Cardy, & Gómez-Mejía, 2012). Many managers and human resources departments decide to use job rotation to give the employees a larger array of work related skills. The most simple way to rotate without changing the entirety of the job is to use project rotation; “ rotating workers across special projects can allow workers to keep their normal day job while stretching their work experience on projects” (Balkin, Cardy, & Gómez-Mejía, 2012). The best way for an employer to give their employees some more flexible experience, is to offer cross functional training; moving employees between business units or functions within the company or organization (Balkin, Cardy, & Gómez-Mejía, 2012). Cross functional training is designed for employees to appreciate everyone’s vital role in the company. Cross region rotation is very similar to cross functional rotation, but it is on a larger scale. Cross region rotation is done between regions or countries, which gives employees an appreciative outlook on different strategies and cultures (Balkin, Cardy, & Gómez-Mejía, 2012). The remaining types of job rotation are a little different than the others previously discussed. Temporary rotation and partial...
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...illustrated above. Measure 1.0 meter of string from the rubber stopper to the tube (held vertically) using the metre stick. Attach a piece of tape on the string about 1 cm below the bottom of the tube (see diagram pg. 152). This will act as a reference mark. 2. Place 12 washers on the end of the string (using the paper clip). 3. While holding the bottom stack of washers, whirl the rubber stopper in a horizontal circle above your head. Carefully adjust the speed of rotation until you feel very little tension on the string suspending the washers. Let go of the stack of washers and maintain the rotation rate so that the reference tape on the string remains stationary about 1 cm below the tube. Have a lab partner determine the time for 20 complete rotations. 4. Set up a chart as illustrated below. | | | | | |Number of Washers |Number of Rotations |Time |Frequency | |(Force Units) |...
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...Section 8.1 gives us a good background by defining several important terms. The center of a circular path defines a line called the axis of rotation. The angle that an object rotates about a fixed axis is called the angular displacement (). Counterclockwise displacement is considered positive, and clockwise negative. Angular displacement can be expressed in degrees, revolutions, or radians. A radian is the measure of the angle subtended by an arc that is the length of the given radius. 2 rad is equal to 360. Therefore, 1 rad is equal to 57.3. Section 8.2 discusses angular velocity . Average angular velocity is derived in a similar way to the average linear velocity we have already discussed. It is simply the angular displacement divided by the elapsed time, and it is usually measured in radians per second. This section also deals with the difference between instantaneous and average angular velocity. This is also analogous to what has already been discussed with linear velocity. Also similar to the concepts we have already dealt with in linear motion is the concept of angular acceleration (), which is simply a change in the angular velocity. Section 8.3 clarifies the equations (similar to those used in linear motion study) that are necessary to work problems dealing with angular motion. These are the equations of rotational kinematics for constant angular acceleration: = 0 + t = ½ (0 + )t = 0t + ½ t2 2 = 02 + 2 Also in this section...
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...Clinicals are an opportunity for students to be involved in hands-on experiences that are taught in the classroom. One of the important aspects of nursing is teamwork. The Quality and Safety Education for Nurses define teamwork as “functioning effectively within nursing and inter-professional teams, fostering open communication, mutual respect, and shared decision making to achieve quality patient care” (Anunciado, 2014, p.140). Two examples of teamwork were showcased during my rotation in the heart catheterization laboratory and as a team leader on the Neurosurgery/Neurology floor. In the catheterization lab the healthcare team involved in each procedure included the doctor, registered nurse first assistant or technician, the circulating nurse, and the monitor. Those not involved with the procedure remained in the observation area with the monitor. Even though these staff members were not actively working on the patient they still observed and informed the monitor of things he/she missed. On that day the schedule contained five patients, the nurses and technicians rotated positions for each procedure while staying within their scope of practice. This allowed for each person a chance to have a break during different times of the day and relief from possible burn out in their position. Members of the team also stated that rotating positions in this area allowed for everyone to learn more about the procedures and decrease the occurrence of being short staffed at any given...
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...can be found by clicking on Picture in the Insert menu. To view a watermark as it will appear on the printed page, click Print Layout on the View menu or click Print Preview on the File menu. The watermark will print on every page of this document, just like headers and footers. To edit the watermark or insert a new one, you need to click Header and Footer on the View menu. TO FORMAT A WORDART WATERMARK (LIKE THIS “DRAFT” EXAMPLE): Use the WordArt… command on the Format menu to choose your desired settings for your watermark. There are multiple tabs in that dialog. Use the “Colors and Lines” tab to set the color and transparency. (This “draft” sample uses light gray and 50% transparency.) Use the “Size” tab to set the watermark size and rotation. (Or, you can resize and rotate using your mouse and the “Free Rotate” button on the WordArt toolbar.) Use the “Layout” tab to set the watermark to appear behind your text and to set the page layout (e.g. this “draft” sample is set to be centered both horizontally and vertically between...
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