LNG Operations - Engine

ExProof Equipment Knowledge

Understanding explosion-proof equipment means the difference between routine ops and total disaster. Faulty exposed sensor or wrong tools? Boom - lives lost, ecosystems poisoned, billions in damage.

Questions 18

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

Describe "Zone 0" onboard Gas Carrier?

A Zone 0 - is an area where an explosive atmosphere is present continuously, for long periods or frequently.

B Zone 0 - is an area where an explosive atmosphere might present for short period of time.

C Zone 0 - is an area where there is no explosive atmosphere and it's safe.

Question 2

What is the purpose of bump testing a gas detector before use in a hazardous zone?

A To verify that the gas detector’s sensors and alarms are functioning correctly

B To check battery life

C To test the detector’s durability

D To ensure the device is charged.

Question 3

What protection concept is "Ex o"?

A Liquid/Oil Immersion

B Protected optical radiation

C Optical system with interlocking

D Protection by enclosure

Question 4

In which Explosion group Methane is related?

A IIA

B IIB

C IIC

D In all of them.

Question 5

Why is an airlock system necessary for rooms with electrical equipment in Zone 1 areas?

A To act as a barrier between the hazardous area and the safe zone, reducing the risk of explosive gases entering safe areas.

B To cool down the equipment.

C To improve ventilation.

D To regulate equipment temperature.

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