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[Section 91]
[Entire Act]
State of Tamilnadu - Subsection
Section 91(4) in The Tamil Nadu Cinemas (Regulation) Rules, 1957
| Type of Fire Extinguisher | Test Interval | Test Pressure | Period for which pressure maintained |
| (1) | (2) | (3) | (4) |
| 1. Soda Acid | 3 years | 1.75 MN/M21.75 Pa. (17. 5 kg Cm2) | 2.5 minutes |
| 2. Dry Chemical Powder (Gas cartridge) | 3 years | 1.75MN/M21.75 Pa. (17.5 kg cm') | 2.5 minutes |