Tensile stress Study guides, Class notes & Summaries

WOCN Wound Exam Questions and Answers Already Passed Goals of wound assessment 1. Determine etiologic factors 2. Assess systemic factors/comorbidities 3. Assess wound to determine phase of healing 4. Determine goals of topical therapy Why does hyperglycemia affect wound healing? Impairs leukocyte function and negatively impacts collagen syntehesis, development of tensile strength, epithelial resurfacing What BG parameters should be maintained for wound healing? BG <180 for leu...

MATSE 259 Exam 1 With Complete Solutions Hooke's Law σ = Eε σ: engineering stress ε: engineering strain E: modulus of elasticity Elastic Elongation and Strain v = -εx/εz = -εy/εz applied tensile stress, elastic elongation and accompanying strain Tensile Strength (MPa or psi) -Stress at max of stress-strain curve -Max stress that can be sustained by a structure in tension Toughness -Ability of material to absorb energy up to a fracture -Area under stress-st...

How much does one gallon of water weigh? - 8.3 pounds Nonferrous metals does not contain any - iron Which of the following is a ferrous metal? - mild steel Properties of common ______________ materials are divided into the following categories: physical, mechanical, thermal, electric, and acoustic - solid Tensile strength is the resistance a metal has to being pulled apart - A typical form of mechanical stress is - overload Which of the following tests is nondestructive? - vibration anal...

Goals of wound assessment - 1. Determine etiologic factors 2. Assess systemic factors/comorbidities 3. Assess wound to determine phase of healing 4. Determine goals of topical therapy Why does hyperglycemia affect wound healing? - Impairs leukocyte function and negatively impacts collagen syntehesis, development of tensile strength, epithelial resurfacing What BG parameters should be maintained for wound healing? - BG <180 for leukocyte function; <140 for healing A1C <7 for mo...

Which of the following is an important variable that differentiates the capability of a muscle for aerobic or anaerobic energy utilization? -mitochondrial density -capillarization -glycogen stores -calcium stores - Mitochondrial density Which of the following represent the normal healthy physiologic range when looking at a stress/strain readout of musculoskeletal tissues? -plastic region -rubber region -elastic region -stiff region -micro-failure - Elastic region Which of the follow...

A LEVEL AQA PHYSICS WITH BEST SOLUTION Beta radiation - when B- or B+ particles are emitted following decay of a neutron-rich or proton-rich nucleus Braking distance - Distance travelled by vehicle in time taken to stop Breaking stress/Ultimate tensile stress - Tensile stress needed to break a solid material Brittle - Snaps without bending or stretching when subject to stress Centre of mass - Point through which a single force on the body has no turning affect Charge carriers - Cha...

ALL NOCTI QUESTIONS WITH CERTIFIED ANSWERS ALREADY PASSED How much does one gallon of water weigh? 8.3 pounds Nonferrous metals does not contain any iron Which of the following is a ferrous metal? mild steel Properties of common ______________ materials are divided into the following categories: physical, mechanical, thermal, electric, and acoustic solid Tensile strength is the resistance a metal has to being pulled apart A typical form of mechanical stress is overload Which of the fo...

ENTC 207 Final Exam Question and answers correctly solved 2023/2024Tensile Testing Steps - correct answer 1. Place specimen in tester 2. Apply tensile load until sample breaks 3. During loading measure tensile load and length at intervals 4. Measure length after sample breaks 5. Calculations Stress - correct answer force / cross section area Y-axis psi Strain - correct answer

A CWI shall be familiar with and understand the fundamentals of which of the following? a. Thermal cutting b. Brazing c. Mechanical cutting d. SMAW e. All of the above - Answer- e. All of the above A postweld heat treatment (approximately 1150°F (620°C) on carbon steel) is intended to accomplish which of the following? a. Increase the hardness of the weld b. Increase the tensile strength of the weld c. Reduce the residual stress across the weld d. Decrease ductility e. Only ...

Goals of wound assessment - 1. Determine etiologic factors 2. Assess systemic factors/comorbidities 3. Assess wound to determine phase of healing 4. Determine goals of topical therapy Why does hyperglycemia affect wound healing? - Impairs leukocyte function and negatively impacts collagen syntehesis, development of tensile strength, epithelial resurfacing What BG parameters should be maintained for wound healing? - BG <180 for leukocyte function; <140 for healing A1C <7 for mo...