Valuable conclusions on the effect of. loads and heating on concrete explosive spalling are shown in the paper. Keywrds: High-strength concrete, fire, explosive spalling, columns, heating rate, axial loads. INTRODUCTION. Concrete spalling under high temperatures is a major factor of reducing itâs fire resistance.
This is a sample EMT-B Cardiology test of 15 questions. Unlike the versions of our tests that are included with a paid subscription, this test cannot be automatically graded by clicking the button at the bottom of the page. With our paid subscription to EMT National Training you get instant grading, rationale behind the correct answers and a detailed exam tracking system. EMT-Basic Test - Cardiology.
Stress testing gives your doctor information about how your heart works during physical stress. Some heart problems are easier to diagnose when your heart is working hard and beating fast. During a stress test, you exercise (walk or run on a treadmill or pedal a bicycle) to make your heart work hard and beat fast.Tests are done on your heart while you exercise. You may have arthritis or another medical problem that prevents you from exercising during a stress test.he stress part of a stress test (when you're exercising or given medicine that makes your heart work hard) usually lasts about 15 minutes or less. However, there's prep time before the test and monitoring time afterward.