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.
A stress test can determine if you have heart disease. A doctor or trained technician performs the test. Heâll learn how much your heart can manage before an abnormal rhythm starts or blood flow to your heart muscle drops. There are different types of these. The exercise stress test -- also known as an exercise electrocardiogram, treadmill test, graded exercise test, or stress EKG -- is used most often. It lets your doctor know how your heart responds to being pushed. Youâll walk on a treadmill or pedal a stationary bike. Itâll get more difficult as you go.