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Exam (elaborations)
NGA 70 & 71 Prometrics Exam 
QUESTIONS AND CORRECT ANSWERS
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---8August 20262026/2027A+
- NGA 70 & 71 Prometrics Exam 
QUESTIONS AND CORRECT ANSWERS 
Shoring is mandatory for all excavations at what depth - CORRECT ANSWERS 
or more 
Electrical lines - CORRECT ANSWERS 
Gas/fuel lines - CORRECT ANSWERS 
Communications - CORRECT ANSWERS 
Red 
Yellow 
Orange 
Potable/drinking water - CORRECT ANSWERS 
Reclaimed irrigation water - CORRECT ANSWERS 
Sewer - CORRECT ANSWERS 
Survey - CORRECT ANSWERS 
Green 
Pink 
Proposed excavation - CORRECT ANSWERS ...
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STANFORDTOPGRADES
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Exam (elaborations)
NGA 70: Properties of Natural Gas and 
Abnormal Operating Conditions Exam 
QUESTIONS AND CORRECT ANSWERS
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---2August 20262026/2027A+
- NGA 70: Properties of Natural Gas and 
Abnormal Operating Conditions Exam 
QUESTIONS AND CORRECT ANSWERS 
Natural Gas - CORRECT ANSWERS 
Mixture of methane, propane, ethane, cardbon 
dioxide, butane, hydrogen, nitrogen. Gas cna be transported in gas or liquid state. Weight of 
gas is 0.6 air is 1.0. Propane is heavier than air +1.0. Gas burns a clean blue flame. 
Mercaptan - CORRECT ANSWERS 
Odorant (sulfur) added to gas for smell detection 
of leaks. New steel pipe may contribute...
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STANFORDTOPGRADES
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Exam (elaborations)
NGA 70 Properties of Natural Gas and Abnormal Operating Conditions | 
UPDATED Questions with 100% Correct Answers
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---2July 20262025/2026A+
- NGA 70 Properties of Natural Gas and Abnormal Operating Conditions | 
UPDATED Questions with 100% Correct Answers
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ExamsCollection
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Exam (elaborations)
PRACTICE TEST FOR TASK 70 - CHARACTERISTICS OF NATURAL GAS CORRECT 100%
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---5April 20262025/2026A+
- 90% - ANSWERHow much methane is in natural gas? 
 
4% - ANSWERWhat is the percentage of ethane in natural gas? 
 
4% - ANSWERThere is __________% nitrogen in natural gas. 
 
1% - ANSWERWhat is the percentage of propane and heavier hydrocarbons in natural gas? 
 
Ethane - ANSWERWhat is the one component
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shantelleG
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Exam (elaborations)
TASK 70, 71, 6-8A QUESTIONS & SOLUTIONS
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---4April 20262025/2026A+
- What is an AOC? - ANSWERAbnormal Operating Conditions: A condition identified by the operator that may indicate a malfunction of a component or deviation from normal operations that may indicate a condition exceeding design limits or result in a hazard to persons, property or the environment 
 
What is Task 70? - ANSWERProperties of Natural Gas and Abnormal Operating Conditions 
 
What makes up 96% of Natural gas? - ANSWERMethane makes up about 95% of Natural Gas
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shantelleG
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Exam (elaborations)
70, 71 TEST PRACTICE QUESTIONS & ANSWERS
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---2April 20262025/2026A+
- What is the specific gravity of Natural Gas? - ANSWER0.6 
 
What is the specific gravity of carbon monoxide? - ANSWER0.96 
 
What is the specific gravity of air? - ANSWER1.0 
 
Natural gas can be either transported in either _________ or _________ form. - ANSWERgas or liquid
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shantelleG
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Exam (elaborations)
NATIONAL GRID TASK #70 - PROPERTIES OF NATURAL GAS AND ABNORMAL OPERATING CONDITIONS QUESTIONS & ANSWERS
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---4April 20262025/2026A+
- condition identified by the operator that may indicate a malfunction of a component or deviation from normal operations that may indicate a condition exceeding design limits or result in a hazard to persons, property or the environment (abnormal operating conditions) - ANSWERwhat is the AOC 
 
blue - ANSWERwhat is the color of burning clean natural gas? 
 
dirt being blown around - ANSWERblowing gas can
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shantelleG
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Exam (elaborations)
NGA 70 - AOCS & PROPERTIES OF NATURAL GAS QUESTIONS & ANSWERS(RATED A+)
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---3April 20262025/2026A+
- Specific Gravity Natural Gas - ANSWER0.6 
 
Specific Gravity Carbon Monoxide - ANSWER0.98 
 
Specific Gravity Air - ANSWER1.0 
 
Specific Gravity Propane - ANSWER3.5
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shantelleG
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Exam (elaborations)
NGA 70: PROPERTIES OF NATURAL GAS AND ABNORMAL OPERATING CONDITIONS BASED ON STUDY MANUAL NOT IN-CLASS CORRECT 100%
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---6April 20262025/2026A+
- Range of flammability (definition) - ANSWERThe range which gas will burn. The range of flammability for natural gas-air mixtures is approx. 5% to 15% natural gas 
 
Regulating Station - ANSWERReduces the pressure and measures the quantity of gas received from the distribution pipeline and prepares it by putting in odorants into the gas stream for consumers. 
 
Service Line - ANSWERA pipe that transports gas from a common source of supply to a meter set assembly
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shantelleG
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Exam (elaborations)
NGA 70 REVIEW NEWEST ACTUAL EXAMS WITH COMPLETE QUESTIONS AND ANSWERS //VERIFIED//GRADED A+//
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---7March 20262025/2026A+
- NGA 70 REVIEW NEWEST ACTUAL EXAMS WITH COMPLETE 
QUESTIONS AND ANSWERS //VERIFIED//GRADED A+//
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SCHOLARSKIT
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Exam (elaborations)
NGA 70 REVIEW EXAM Questions and verified Answers |Already Graded A+| 2026 Brand New Version!!!
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---7January 20262025/2026A+
- NGA 70 REVIEW EXAM Questions and 
verified Answers |Already Graded A+| 
2026 Brand New Version!!!
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Examchemist
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Exam (elaborations)
Task 70 Properties of Natural Gas and Abnormal operating conditions Questions Solved Correctly | Updated
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---7January 20262025/2026A+
- Task 70 Properties of Natural Gas and Abnormal operating conditions Questions Solved Correctly | Updated
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ElevatedExcellence
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Exam (elaborations)
NGA 70: Properties of Natural Gas and Abnormal Operating Conditions Solved Correctly To Score A+ 2026
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---17January 20262025/2026A+
- NGA 70: Properties of Natural Gas and Abnormal Operating Conditions 
Solved Correctly To Score A+ 2026
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ElevatedExcellence
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Exam (elaborations)
Practice Test for Task 70 - Characteristics of Natural Gas Exam Questions With 100% Verified Solutions 2026
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---12January 20262025/2026A+
- Practice Test for Task 70 - Characteristics of Natural Gas Exam Questions 
With 100% Verified Solutions 2026
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$13.49 More Info
ElevatedExcellence