144 W5A

Which standard is used for measuring the water vapor content of electrical insulating gases by dew point measurement?

• A. ASTM D2129
• B. ASTM D2284
• C. ASTM D2472
• D. ASTM D2029

Which ASTM standard is used for testing the color of clear electrical insulating liquids on the Platinum-Cobalt Scale?

• A. ASTM D2129
• B. ASTM D2284
• C. ASTM D2472
• D. ASTM D3612

ASTM D2477 is a standard used for testing what property of insulating gases?

• A. Density
• B. Dielectric breakdown voltage
• C. Acidity
• D. Color

ASTM D2685 is used for the determination of air and carbon tetrafluoride in which gas?

• A. Sulfur hexafluoride
• B. Acetylene
• C. Methane
• D. Carbon dioxide

ASTM D2759 provides a practice for sampling gas from which electrical apparatus?

• A. Circuit breakers
• B. Transformers
• C. Switchgear
• D. Insulating oil

Which ASTM standard is used for the analysis of gases dissolved in electrical insulating oil by gas chromatography?

• A. ASTM D3612
• B. ASTM D3284
• C. ASTM D2759
• D. ASTM D2472

ASTM D4052 is a standard test method for the density, relative density, and API gravity of which substances?

• A. Solids
• B. Gases
• C. Liquids
• D. Vapors

Which standard is used for the analysis of furanic compounds in electrical insulating liquids by HPLC?

• A. ASTM D5837
• B. ASTM D3612
• C. ASTM D2029
• D. ASTM D3284

EASA AR100 is a recommended practice for the repair of what type of electrical apparatus?

• A. Circuit breakers
• B. Transformers
• C. Rotating electrical apparatus
• D. Switchgear

Which IEEE standard provides recommendations for testing insulation resistance of electric machinery?

• A. IEEE C2
• B. IEEE 43
• C. IEEE 81
• D. IEEE 100