PNGV – TPS Engagement 2023 Quiz Session 3

What is the frequency calibration for Earth Fault Relay & Overcurrent Relay (EFR & OCR) ?

• Once per 6 months

• Once per year

• Once per 2 years

• Once per 3 years

What is the frequency for inspection Earthing & Bonding System and Lightning Protection System?

• Once per 6 months

• Once per year

• Once per 2 years

• Once per 3 years

What is the value of acceptance for earthing resistance in NGV operation?

• <=15 Ohm

• <=10 Ohm

• <=5 Ohm (ans)

• No value

What is the frequency of vibration analysis / sampling?

• 3 monthly

• 6 monthly

• Yearly

• Monthly

What is the frequency of functionality test for Emergency Shutdown Device (ESD), beacon light and siren?

• Once per 6 months

• Once per year

• Once per 2 years

• Once per 3 years

Dispenser calibration is performed yearly by competent technician and witnessed by certified authority (MCM). What is the equipment being calibrated during dispenser calibration?

• Nozzle

• 3 way valve

• Mass Flowrate Meter

• Pressure Relieve Valve

Compressor servicing / overhaul is performed based on the running hour of the compressor.

• True

• False