BECC Mod 2 study guide final exam questions and answer

BECC Mod 2 study guide final exam questions and answer What is gauge pressure plus atmospheric pressure? - CORRECT ANSWER-Pounds per square inch absolute (PSIA) What is atmospheric pressure at sea level? - CORRECT ANSWER-14.7 PSIA What does a differential gauge measure? - CORRECT ANSWER-Difference between 2 separate points. Known as PSID What does a duplex gauge measure? - CORRECT ANSWER-Measures and displays pressure readings simultaneously from 2 points What does a vacuum gauge measure? - CORRECT ANSWER-Measure pressure lower than atmospheric pressure What does a compound gauge measure? - CORRECT ANSWER-Measures both above and below atmospheric pressure What does a simplex gauge measure? - CORRECT ANSWER-Measures pressure from 1 location Which gauge is constructed of 2 Bourdon Tubes and 1 needle? - CORRECT ANSWERDifferential gauge Which gauge is constructed of 2 Bourdon Tubes and 2 needles? - CORRECT ANSWER-Duplex gauge What is a vacuum gauge measured in? - CORRECT ANSWER-Inches of water or inches of Mercury (InHg) What measuring device uses 2 dissimilar metals? - CORRECT ANSWER-Bimetallic expansion Which thermometer is also known as a distant reading thermometer? - CORRECT ANSWER-Filled system thermometer What does a filled system thermometer consists of? - CORRECT ANSWER-A hollow metal sensing bulb at one end of a small bore tube. The other end is connected to a Bourdon tube What is the oldest, simplest, most widely used thermometer? - CORRECT ANSWERLiquid-in-glass thermometer What thermometer is used to measure temperatures between 300 degrees and 3000 degrees - CORRECT ANSWER-Pyrometer What are 3 types of direct liquid level indicators? - CORRECT ANSWER-Sounding tape, sounding rule, sight glass What does a sounding tape consists of? - CORRECT ANSWER-Measuring tape attached to and wound to a drum with a non- sparking plumb bob on the end What is the most commonly used sensor by the Nav