BECC MOD 2 COMPREHENSIVE EXAM 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉ What is atmospheric pressure at sea level? Answer: 14.7 PSIA
◉ What does a differential gauge measure? Answer: Difference between
2 separate points. Known as PSID
◉ What does a duplex gauge measure? Answer: Measures and displays
pressure readings simultaneously from 2 points
◉ What does a vacuum gauge measure? Answer: Measure pressure
lower than atmospheric pressure
◉ What does a compound gauge measure? Answer: Measures both
above and below atmospheric pressure
◉ What does a simplex gauge measure? Answer: Measures pressure
from 1 location
◉ Which gauge is constructed of 2 Bourdon Tubes and 1 needle?
Answer: Differential gauge
, ◉ Which gauge is constructed of 2 Bourdon Tubes and 2 needles?
Answer: Duplex gauge
◉ What is a vacuum gauge measured in? Answer: Inches of water or
inches of Mercury (InHg)
◉ What measuring device uses 2 dissimilar metals? Answer: Bimetallic
expansion
◉ Which thermometer is also known as a distant reading thermometer?
Answer: Filled system thermometer
◉ What does a filled system thermometer consists of? 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? Answer:
Liquid-in-glass thermometer
◉ What thermometer is used to measure temperatures between 300
degrees and 3000 degrees. Answer: Pyrometer
◉ What are 3 types of direct liquid level indicators? Answer: Sounding
tape, sounding rule, sight glass
QUESTIONS WITH SOLUTIONS GRADED A+
◉ What is atmospheric pressure at sea level? Answer: 14.7 PSIA
◉ What does a differential gauge measure? Answer: Difference between
2 separate points. Known as PSID
◉ What does a duplex gauge measure? Answer: Measures and displays
pressure readings simultaneously from 2 points
◉ What does a vacuum gauge measure? Answer: Measure pressure
lower than atmospheric pressure
◉ What does a compound gauge measure? Answer: Measures both
above and below atmospheric pressure
◉ What does a simplex gauge measure? Answer: Measures pressure
from 1 location
◉ Which gauge is constructed of 2 Bourdon Tubes and 1 needle?
Answer: Differential gauge
, ◉ Which gauge is constructed of 2 Bourdon Tubes and 2 needles?
Answer: Duplex gauge
◉ What is a vacuum gauge measured in? Answer: Inches of water or
inches of Mercury (InHg)
◉ What measuring device uses 2 dissimilar metals? Answer: Bimetallic
expansion
◉ Which thermometer is also known as a distant reading thermometer?
Answer: Filled system thermometer
◉ What does a filled system thermometer consists of? 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? Answer:
Liquid-in-glass thermometer
◉ What thermometer is used to measure temperatures between 300
degrees and 3000 degrees. Answer: Pyrometer
◉ What are 3 types of direct liquid level indicators? Answer: Sounding
tape, sounding rule, sight glass
