Explain why the mechanical seals are preferred over the gland packings in the pumps |
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Explain why the mechanical seals are preferred over the gland packings in the pumps
List four (4) instances when you would use dual mechanical seals in preference to single mechanical seals.
Explain why an intranet is preferred over an internet to facilitate an EHR clinician messaging system.
a) Explain why boron (B) is preferred over indium (In) as the do pant species to achieve highly conductive p-type silicon. b) At very high temperatures (e.g. >1000°C), the conductivity ofsilicon is not significantly affected by moderate doping (NA or No less than 10"/cm), i.e. it is an intrinsic semiconductor. Explain why this is the case.
Describe the following types of mechanical seals with respective images and their applications a) Single inside seal b) Double back to back seal c) Double tandem seal d) Double concentric seal e) Catridge seal
1. Is this sympathetic or parasympathetic? EXPLAIN WHY AND WHY NOT a. Stimulate a sebaceous gland- b. Constriction of superior mesenteric artery 2. The full volume of air you can move in and out of your lungs during forced inhalation and exhalation. What is this called?
Problem 3: Semiconductor doping a) Explain why boron (B) is preferred over indium (In) as the dopant species to achieve highly conductive p-type silicon. b) At very high temperatures (e.g. >1000°C), the conductivity of silicon is not significantly affected by moderate doping (Na or No less than 101/cm), i.e. it is an intrinsic semiconductor. Explain why this is the case.
Question A1. Explain how many significant figures you should use for mechanical design calculations and why. Question A2 Provide two reasons why engineers use preferred sizes. Question A3. Sketch a helical tension spring and identify the locations for checking of stresses.
a) Explain why the traditional fixed-weighted measure of real GDP is preferred to nominal GDP for assessing changes in an economy's production over time. b) Explain why a chain-weighted measure of real GDP is preferred to the traditional fixed-weighted measure of real GDP.
why would MACs be preferred over BACs and YACs?
a) Why is implementing a K-means clustering algorithm multiple times with a fixed K important to do? 119 b) Why is cross-validation preferred over resubstituting as a method to measure classification accuracy? Explain c) Give two situations when nearest neighbor classification may be preferred over linear and quadratic discriminant analysis methods in general. Explain your answer. a) Why is implementing a K-means clustering algorithm multiple times with a fixed K important to do? 119 b) Why is cross-validation preferred over...