BRITTTON PRESENTS YOU WITH QUALITY EXAM,TESTBANKS AND ASSIGNMENTS

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - correct answer D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 1...

The Fahrenheit scale is based on boiling water at sea level at what temperature? A: 459 degrees B: 212 degrees C: 180 degrees D: 100 degrees - correct answer B: 212 degrees Zero pounds gauge corresponds on the absolute scale to: A: 144 B: 212 C: 14.7 D: zero - correct answer C: 14.7 Hidden heat in refrigeration work is referred to as: A: Intensity of heat B: Latent heat C: Heat a thermometer can "sense" D: Cold - correct ...

d (very important) - correct answer The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important d (all of the above: clear, complete, concise) - correct answer It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. a. clear b. complete c. ...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator - correct answer A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refri...

<question: The density of air is A: How much air weighs per cubic foot B: How much volume one pound of air occupies C: The ratio of the weight of water to that of the same volume of water D: The ratio of the amount of water vapor contained in a cu. ft. of air to the amount of moisture held at saturation - correct answer A: How much air weighs per cubic foot The specific volume of air is A: How much air weighs per cubic foot B: How much volume one pound of air o...

Fans are classified according to____. - correct answer THE DIRECTION OF THE AIR FLOW THROUGH THE IMPELER In an axial fan, air flow is ________ to the shaft of the impeller. In centrifugal fan, air flow is___________to the shaft. - correct answer PARALEL, PERPENDICULAR Name the three main types of axial fans___________________________ - correct answer PROPELLER, TUBEAXIAL, VANEAXIAL Name three common categories of centrifugal fans , based on impeller designs._____________. - corre...

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - correct answer d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% - correct answer c (+15%) The maximum sensible cooling c...

A good evacuation of a refrigerant circuit to remove non-condensables will help insure: A.) higher condensing temperatures B.) higher suction pressures C.) low suction line pressure drop D.) higher efficiency and capacity - correct answer D.) higher efficiency and capacity A condensing unit should be mounted on a slab that is level to: A.) allow an accumulated water to evenly run out of the cabinet B.) increase airflow through the fin area C.) prevent the unit from tipping over D.) m...

How does rheumatoid arthritis, an autoimmune condition, manifest? - correct answer Chronic inflammation in affected joints 1. Inflammation is a protective mechanism that protects the body when injured. What are the symptoms? (Select all that apply) - correct answer Pain, loss of function, heat, redness, swelling What chemical does the body release during a stress response? - correct answer Epinephrine What electrolyte imbalance would you see in a client with muscle tetany, positive T...

Contradiction - correct answer a statement that is the opposite of another statement Sign - correct answer objective evidence of disease such as a fever Symptom - correct answer subjective evidence of a disease, such as pain or a headache Objective Data - correct answer information that is seen, heard, felt, or smelled by an observer; signs Manifestation - correct answer an indication or sign of a condition Deficit - correct answer A deficiency or lack of something Concen...

What do you need to watch for in a patient with low potassium (Hypokalemia)? - correct answer Need to monitor the heart for any abnormalities, EKG abnormalities, and WNL (3.5-5) What happens during the alarm stage of adaptation syndrome? - correct answer Increased heart rate, catecholamines, cortisols, epinepherine increased heart rate. Stress response increases blood glucose. How does the body respond to catecholamines? - correct answer Increased blood pressure, increased heart rate, b...

Manifestations of glomerulonephritis - correct answer Inflammation of glomerus, edema, proteinuria, hypoalbuminemia, brown urine Risks for UTI - correct answer Female, short urethra closer to anus Peritonitis - correct answer Causes due to inflammation in abdominal muscle spasm the abdomen becomes rigid and firm. Appendicitis signs and symptoms - correct answer Pain in Mcburney point, right lower, fever nausea, diarrhea, organ perforation Causes of mechanical bowel obstruction - ...

A client develops an infection with a resistant organism while hospitalized for surgery. After treatment, there are no obvious signs of infection, but a culture shows that the organism is present. Which term describes the client's status? a) Preclinical stage b) Carrier status c) Chronic disease d) Clinical disease - correct answer b) Carrier status In carrier status, the client shows no symptoms, tests positive for the disease, and may still transmit the disease but is not infect...

Nucleus - correct answer Brain and DNA of the cell Ribosomes - correct answer Synthesize proteins and produce things for the cell to function Mitochondria - correct answer Powerhouse of the cell Lysosomes and Proteosomes - correct answer Digestive system for the cell Cytoskeleton - correct answer movement and shape Describe the Plasma Membrane - correct answer A lipid bilayer made of phospholipds with the head being hydrophilic and the tail made of fatty acids being hydropho...

What are the clinical manifestations of ketoacidosis? - correct answer fruity breath, drowsiness, nausea, thirst, confusion, lethargy, vomiting What mechanisms control hormone release and regulation? - correct answer negative feedback loop What hormones are released by the anterior pituitary gland? - correct answer Growth Hormone, prolactin, follicle stimulating hormone, thyroid stimulating hormone, LH, ACTH and endorphins What is diabetes insipidus? - correct answer a disorder caus...

Define a contraindication, sign, symptom, objective data - correct answer a contraindication is a condition that serves as a reason not to take a certain medical treatment due to the harm that it would cause the patient. Causes of Edema - correct answer Excess fluid in the interstitial space. Edema is a problem of fluid distribution, not necessarily of fluid overload. Clinical manifestations of Cellulitis - correct answer Cellulitis appears as a swollen, warm, tender area of erythema. A...

What is pathophysiology? - correct answer The study of abnormalities in physiologic functioning of living beings 4 cardinal signs of inflammation - correct answer redness, heat, swelling, pain what is stress - correct answer the reaction of the body and mind to everyday challenges and demands GAS - correct answer General Adaptation Syndrome five P's of compartment syndrome - correct answer pain, pallor, pulselessness, paresthesia, paralysis Hormones involved in stress - c...

etiology - correct answer study of the causes or reasons for phenomena pathogensis - correct answer refers to the development or evolution of a disease, from initial stimulus to the ultimate expression of the manifestation of the disease clinical manifestations - correct answer manifestations of disease that are observed are termed signs of disease treatment implications - correct answer An understanding of the etiology, pathogenesis, and clinical consequences of a particular disord...

The systematic, rigorous, logical investigation that aims to answer questions about nursing phenomena - correct answer research The collection, interpretation, and integration of valid research evidence, combined with clinical expertise, and an understanding of patient and family values and preferences to inform clinical decision making - correct answer EBP Difference between research and EBP - correct answer In a research study, the question is tested with a design appropriate to the q...

If an applicant for the master or journey license examination fails the exam twice within two years, what is required to re-test? - correct answer Wait one year and provide proof of completion of an approved class. On the jobsite, what is the ratio of registered apprentices to journey or master electricians? - correct answer Residential job site: 2 apprentices to one journey (or master) - all other job sites: 1 to 1 How many hours of related experience are required to qualify for a Sign ...