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Related Questions
What are the types of shrinkage in sand casting and how they could be avoided?
Answers
While these measures can help reduce shrinkage-related defects, achieving optimal results often requires a balance between minimizing shrinkage and maintaining proper casting integrity. The specific approach to avoid shrinkage may vary depending on the casting material, part geometry, and other factors.
Shrinkage in sand molding refers to the volume reduction that takes place while the molten metal cools and solidifies. The final cast may include flaws and dimensional errors as a result of this shrinkage. In sand casting, pattern shrinkage and solidification shrinkage are the two basic types of shrinkage. Here is a brief description of each category and how to prevent it:
Solidification Shrinkage:
As the molten metal changes from a liquid state to a solid, solidification shrinkage takes place. It happens because the metal naturally contracts as it cools.
Some methods can be used to prevent solidification shrinkage:
Designing gates and risers properly: Gating and risering systems with thoughtful design can regulate cooling rate and guarantee more uniform solidification. By doing this, shrinkage faults can be reduced.
Use of chills: To absorb heat and encourage quicker solidification, chills are inserts or additional materials placed in certain parts of the mould. By making up for the shrinking in specific areas, this helps to decrease the shrinkage faults.
Modification of the metal alloy's composition can also aid lessen solidification shrinkage. The problem can be reduced by including substances like silicon that prevent shrinking.
Typical Shrinkage:
The dimensional changes that happen as the pattern, which is used to make the mould, goes through drying and heating stages throughout the casting process are what cause pattern shrinkage.
Following actions can be performed to prevent pattern shrinkage:
Design of the pattern: The dimensional changes that take place during casting can be compensated for by designing the pattern with adequate tolerances for shrinkage. To account for shrinkage, the design might be constructed somewhat larger than the desired final size.
Pattern shrinkage can be reduced by using materials for patterns that have low coefficients of thermal expansion.
Preheating and conditioning: The pattern's dimensions can be stabilised and shrinkage can be reduced by preheating and conditioning the pattern before inserting it into the mould.
While these measures can help reduce shrinkage-related defects, achieving optimal results often requires a balance between minimizing shrinkage and maintaining proper casting integrity. The specific approach to avoid shrinkage may vary depending on the casting material, part geometry, and other factors. Experienced foundry professionals and engineers play a crucial role in designing and optimizing the casting process to minimize shrinkage-related issues.
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What are two tips that a school athlete should follow when it comes to eating on game day?
Answers
Answer: Protein bars and energy drinks
Explanation:
ASPPPPP PLEASE HELP You are trying to teach your friend how to complete a push up with proper form. Why is proper body alignment important? What are two tips you would give them about body alignment to ensure their form is correct?
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Answer: proper body alignment is important because it prevents injury and you get better long term results. Two tips are to keep your legs together and to make sure your arms are apart and you go down 90 degrees
Explanation:
Give a brief explanation of the classification system from the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV).
Answers
Answer: As I have further concluded, here is an excerpt from the text you can look at to help below.
“ The Diagnostic and Statistical Manual of Mental Disorders (DSM) is the handbook used by health care professionals in the United States and much of the world as the authoritative guide to the diagnosis of mental disorders. DSM contains descriptions, symptoms, and other criteria for diagnosing mental disorders.”
Explanation: Hope this helps, have a great day! <3
Answer:
The answer above is correct
Explanation:
Which statement best describes the relationship between genes and disease?
A. There is never a relationship between genes and disease.
B. Only missing genes lead to disease.
C. Some diseases are caused by mutated genes.
D. All diseases are caused by mutated genes,
Answers
Answer:
C.
Explanation:
Some diseases are caused by mutated genes.
The correct statement is C. Some diseases are caused by mutated genes.
What is the relationship between genes and disease?
The relationship between genes and disease is complex and multi-faceted. Some diseases are caused solely by genetic factors, meaning that they are caused by mutations or changes in specific genes. These mutations can be inherited from parents or occur spontaneously in the individual. Examples of diseases caused by genetic factors include cystic fibrosis, sickle cell anemia, and Huntington's disease.
However, many diseases are caused by a combination of genetic and environmental factors. For example, certain gene variations can increase a person's risk for developing a certain disease, but the disease may only occur if the person is exposed to specific environmental factors, such as toxins or viruses.
Lifestyle factors, such as diet and physical activity, can also play a role in the development of many diseases. In some cases, the interaction between genetic and environmental factors can result in complex diseases, such as cancer, that are difficult to understand and treat.
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45 yo F presents with coffee-ground emesis for the last three days. Her stool is dark and tarry. She has a history of intermittent epigastric pain that is relieved by food and antacids. What the diagnose?
Answers
It is likely that the 45-year-old female is suffering from a gastrointestinal bleeding. The dark and tarry stool is a sign of gastrointestinal bleeding in the upper digestive tract. The coffee-ground emesis, which is vomit that has the appearance of coffee grounds, is also indicative of blood in the upper digestive tract.
The patient's history of intermittent epigastric pain that is relieved by food and antacids suggests that the cause of the bleeding could be a peptic ulcer, which is a sore that develops on the lining of the stomach or duodenum. Peptic ulcers can cause gastrointestinal bleeding if they penetrate the muscular wall of the stomach or duodenum. To confirm the diagnosis and determine the severity of the bleeding, further investigations such as an upper endoscopy or a barium swallow may be required. Treatment options may include medications to reduce stomach acid production, antibiotics to treat any infections, and procedures to stop the bleeding.
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which of the following foods is the best source of calcium? view available hint(s)for part a which of the following foods is the best source of calcium? meat milk fruits grains
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Answer: Its B. Milk
if you need an explanation just ask
write any four positive impacts of science and technology on human health
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why does wolpert say we have a brain?
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Answer:
Daniel Wolpert On Why You Have A Brain, We have a brain for one reason and one reason only, and that's to produce adaptable and complex movements
paragraph on a aracnophobia
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Arachnophobia is a fear or phobia of spiders and other arachnids.
How common is arachnophobia?Arachnophobia is estimated to affect between 3.5 to 6.1 percent of the population, making it one of the most common phobias.
What are some of the symptoms of arachnophobia?Symptoms of arachnophobia can vary in severity, but may include anxiety, panic, or terror when encountering spiders, avoidance of activities or situations that may involve spiders, difficulty breathing or rapid heartbeat when encountering a spider, sweating, trembling, or feeling faint or nauseous, and persistent thoughts or images of spiders that interfere with daily life.
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Which nursing assessment is done before starting a patient on a beta-adrenergic blocking agent?
Answers
BP and Heart Rate is the nursing assessment that is done before starting a patient on a beta-adrenergic blocking agent.
Beta-adrenergic blocking medications are used to treat a variety of illnesses, including congestive heart failure, high blood pressure, angina, and irregular heartbeats (arrhythmia). They might also cause vascular tumours like hemangiomas to decrease. also known as a beta-blocker and beta-adrenergic antagonist.
Because beta-adrenergic blocking medications have an impact on both heart rate and blood pressure, a baseline measurement of both should be taken. Liver enzymes, BUN and creatinine levels, as well as CBC and sedimentation rate are unaffected by beta-adrenergic blocking medications. Metoprolol, atenolol, acebutolol, and nebivolol are some examples of beta-1 selective blockers.
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Sally is 18 years old. She's 5'6" and weighs 115 pounds. She is very active as she goes to the gym every day and does 45 minutes of weight resistance training and 45
minutes of cardio. She also plays tennis for her school. What should her daily caloric intake be if she wants to maintain her 115 pound frame? (Round to the nearest calorie)
Answers
Answer:
um its called
Explanation:
being healty
Imaoo how is she skinnier than be bru I'm legit almost 12 and weigh 115 lbs Sally should really put on some weight
What strategy is being used when a person makes the conscious decision not to drink?
Answers
Answer:
The refusal strategy
Explanation:
The hypothetical person is not reasoning or negotiating with themselves, they are simply not doing it.
Select the correct answer.
Which of the following statements is true about BMI?
A.
BMI is NOT a reliable indicator of body fat.
B.
BMI measures body fat directly.
C.
BMI cannot be considered an alternative for direct measure of body fat.
D.
BMI measurements are relatively inexpensive and easy to perform.
I'll give BRAINLIEST
Answers
Answer:
your answer is A...
Explanation:
Hope this helps you!!!
Answer: A
Explanation: got it right
according to research by the centers for disease control and prevention, chronic disease is especially a concern in the elderly population in america. it is estimated that at least 80% of older americans are currently living with some form of a chronic condition, with 50% of this population having two or more chronic conditions. is the leading cause of death from chronic disease for adults older than 65.
Answers
Heart disease is the leading cause of death from chronic disease for adults older than 65.
What is heart disease?
Cardiac disease is a broad phrase that encompasses a wide range of heart disorders. It is also referred to as cardiovascular disease, which refers to heart and blood vessel illness.
Heart disease is the biggest cause of mortality in the United States, yet many forms of heart disease may be prevented and managed.
What causes heart diseases?
The causes of heart disease vary according to the type of disease. Lifestyle, genetics, infections, medications, and other diseases are all possible causes.
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Describe, in your own words, the difference between strategic
planning and strategic thinking. Explain how strategic thinking
enables a healthcare organization to meet the future needs of its
stakehol
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Strategic planning involves the systematic process of setting goals, creating action plans, and allocating resources. Strategic thinking refers to the cognitive ability to analyze complex situations.
While strategic planning focuses on the formulation and execution of specific strategies, strategic thinking provides a broader perspective by encouraging individuals and organizations to think critically and creatively about their long-term goals and objectives.
Strategic thinking enables healthcare organizations to anticipate and adapt to changing circumstances, identify potential opportunities, and navigate potential challenges effectively. It encourages a proactive and forward-looking mindset, fostering innovation and flexibility within the organization.
By embracing strategic thinking, healthcare organizations can better understand the evolving needs and expectations of their stakeholders, including patients, healthcare providers, insurers, and regulators. This approach allows organizations to identify emerging trends, technological advancements, and market shifts that may impact their operations in the future.
Strategic thinking empowers organizations to develop proactive strategies and initiatives, such as implementing new technologies, improving patient experience, or expanding services to address the changing landscape of healthcare.
It enables organizations to stay ahead of the curve, adapt to dynamic environments, and deliver high-quality care that meets the evolving needs of their stakeholders.
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what is the effect of jogging on power contacts?
Answers
Any starter used to jog a motor will experience repeated inrush currents, which can overheat the power connections.
What does "jogging" mean in electrical?Jogging is described by NEMA as "the rapidly repeated closing of a circuit to initiate a motor from rest to produce minor motions of the driven machine."Jogging is the term for repeatedly starting and stopping a motor in brief bursts to carry out a certain activity, such as moving a crane to a specific spot. No more than five times each minute should you jog. This is because jogging might lead to an overheated motor. The Main Speed Potentiometer setting or a temporary jog speed can be chosen using the Run-Stop-Jog Switch, and these options can be utilized to index a machine into place.To learn more about jogging in electrical, refer to:
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Here are the instructions for the assignment.
Please pick 2 of the following sports figures listed below:
1. Bo Jackson
2. Ken Griffey Jr.
3. Clayton Kershaw
4. Emmitt Smith
5. Serena Williams
6. Stone Cold Steve Austin
7. Florence Griffith Joyner
8. Jackie Joyner-Kersee
Please write 1 paragraph (5-6 sentences)
Answers
The following sports figures listed which are picked include the following below:
5. Serena Williams
6. Stone Cold Steve Austin.
Who is a Sport figure?This is referred to as a professional who is well renowned in an area of sport as a result of excellent achievements and awards which have been gotten during the course of their respective careers.
In the area of Tennis, Serena Williams is a very important figure as a result of her impressive performances which made her win 23 single grand slam titles and is regarded as one of the greatest female tennis player of all time.
On the other hand, Stone Cold Steve Austin is a wrestler and was a popular figure before retirement. He also won a lot of matches and belts which made him an important personality in the sport during his course of career.
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Family members of a dying client are in the room with their loved one. As the client nears death, what should the nurse 23. tell the family?
A) "Please leave the room now. It is time to let go."
B) "Only one family member at a time can stay in the room."
C) "Please stay with your loved one and talk to him."
D) "I will have to get an order for you to stay now."
Answers
Family members of a dying client are in the room with their loved one. As the client nears death, The nurse should tell the family is C) "Please stay with your loved one and talk to him."
It is important for family members to be present and support their loved one during the dying process. It is also helpful for the client to hear familiar voices and have the comfort of loved ones nearby. Sometimes people will be afraid to face death if alone. Therefore, the nurse should encourage the family to stay with their loved one and talk to him, as it can provide comfort and support during this difficult time.
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Which symptom describes a short-term effect of using methamphetamines?
alertness
slow heart rate
anxiety
sleeping disorders
Answers
Answer:
The answer is alertness
Explanation:
The beginning of babies' receptive language development is BEST illustrated by their capacity to: Please choose the correct answer from the following choices, and then select the submit answer button.
match another person's distinctive mouth movements with the appropriate sounds.
babble only sounds that are part of the household language.
comprehend the meaning of languages they have never experienced.
recognize the distinctive sound of their own voice.
Answers
Answer:
no
Explanation:
Answer: match another person's distinctive mouth movements with the appropriate sounds.
Explanation: all the other options are not receptive
Insurance companies will usually only cover psychotherapy if it is considered medically necessary. Please select the best answer from the choices provided T F.
Answers
The statement insurance companies will usually only cover psychotherapy if it is considered medically necessary is absolutely true.
What do you mean by Psychotherapy?Psychotherapy may be defined as the treatment of a mental or emotional disorder or related bodily ills by psychological means.
It is common that insurance companies only cover the charges of psychotherapy treatment of beneficial individuals.
Therefore, the statement insurance companies will usually only cover psychotherapy if it is considered medically necessary is absolutely true.
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Answer:
True
Explanation:
just took the quiz
What is the major difference between body cells and sex cells. GIVING BRAINLIEST
Answers
Answer:
Body cells make up an organism's tissues and organs, which are needed for normal operation. Sex cells are required for species reproduction.
Explanation:
Hope this helps!
Please mark me as Brainlinieast.
what is the meaning of communication with professionals???
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What is epidemiology?
Answers
Answer:
The branch of medicine which deals with the incidence, distribution, and possible control of diseases and other factors relating to health.
Explanation:
Which of the following is TRUE of giftedness?
Answers
Answer:
Whats the question?
Explanation:
Answer:
giftedness?
Explanation:
Students with gifts and talents perform—or have the capability to perform—at higher levels compared to others of the same age, experience, and environment in one or more domains
minutes 5-6 days
The Centers for Disease control recommends that teens exercise for
per week,
Answers
Answer:
ok and
Explanation:
Kevin, an electrical engineer, comes to work every day with a positive attitude. He has many goals, and he knows that he will have to work hard to achieve them. Kevin completes his projects on time and offers to help out when needed. Kevin has strong skills in which area?
A.
integrity
B.
conflict-resolution
C.
self-representation
D.
teamwork
E.
positive work ethic
Answers
Answer:
E
Explanation:
Always have a positive impact on what you want to do
Kevin, an electrical engineer, comes to work every day with a positive attitude and he has many goals, and he knows that he will have to work hard to achieve them so completes his projects on time and offers to help out when needed, therefore Kevin has strong skills in positive work ethic.
Electrical engineers style, develop, test, and supervise the manufacture of electrical instrumentation, like electrical motors, radio detection and ranging and navigation systems, communications systems, or power generation instrumentation. Electrical engineers additionally style the electrical systems of vehicles and craft.
A positive work ethic means they take enough gratification in their job to complete each task, and properly place their work/life balance. Individuals with a robust work ethic feel in their jobs and see each task they are doing as vital. These are workers that seldom, if ever, reach the duty late.
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Which nurse is reassuring the patient using nonverbal means?
A.
Nancy explains the surgical procedure to her patient.
B.
Luke shows his understanding by nodding at what the client says.
Drake answers his client's questions patiently.
C.
D.
Steve writes down instructions for the patient to follow.
Reset
Next
Answers
Answer:
B
Explanation:
Nodding is a form of nonverbal communication used to reassure someone.
Answer: B) Luke shows his understanding by nodding a at what the client says
Explanation:
I just did a test with this question and I got it right
Hope this helps! :)
How did Florence Nightingale contribute to the evolution of the nursing profession?
She opened the first formal schooling program for nursing students.
She provided wound care for soldiers during the war.
She influenced hospitals to give nurses a higher salary.
Answers
Answer:
She opened the first formal schooling program for nursing students. hope I helped please give brailiest :)
Explanation:
Answer:
I agree with answer 1, they are correct. Florence Nightingale initiated modern nursing as we know it today. She created the first formal secular nursing school. Thank's to her many improvements were and continue to be made in the medical industry.
Explanation: