Gas Cylinder Safety

Cylinders should not be subjected to temperatures above,

• 55 Deg C

• 45 Deg C

• 40 Deg C

• 25 Deg C

Identification of Cylinders shall be as per Colour coding / Marking complying the requirements specified in,

• IS : 4412

• IS : 9091

• IS: 4379

• IS: 9112

Pressure Gauge on Regulator on Compressed Gas Cylinder Calibration Frequency shall be,

• Once in 5 years

• Twice a year

• Once in 3 years

• Once in a year

Argon gas cylinder body color is,

• White

• Peacock Blue

• Black

• Middle Brown

Oxygen cylinders must be stored away from fuel gas cylinders by at least a separation of,

• 7 meter

• 5 meter

• 6 meter

• 8 meter

Hydro test date validation for Ammonia cylinders (Toxic Gases) is once in

• 1 year

• 2 years

• 3 years

• 5 years.

Gas cylinder storage license is required when total number of non flammable non toxic cylinders exceeds,

• 25

• 50

• 100

• 200

Compressed Gas means any permanent gas, liquefiable gas or gas dissolved in liquid under pressure or gas mixture which in a closed gas cylinder exercises a pressure exceeding (more than one correct answers)

• 1.5 Kg/cm2 abs at +15 deg C

• 2.5 Kg/cm2 abs at +15 deg C

• 3 Kg/cm2 abs at +25 deg C

• 3 kg/ cm2 abs at +50 deg C

Gas cylinder storage license is required when total number of toxic gas cylinders exceeds

• 5

• 10

• 20

• 25

For any flammable non toxic gas gas cylinders, storage license is required when (more than one correct answers)

• Total number of cylinders exceeds 25

• Total number of cylinders exceeds 100

• Total weight of gas exceeds 100 kg

• Total weight of gas exceeds 200 kg