Sprinkler System

Single interlock and Double Interlock is used in which sprinkler system?

• Wet Pipe System

• Dry Pipe System

• Preaaction System

• Deluge System

1 Gallon= ____Litre

• 5.13

• 3.78

• 2.67

• 4.5

At what condition,Alarm valve opens in wet Pipe System?

• Supply pressure > Installation Pressure

• Supply Pressure < Installation Pressure

• Supply Pressure=Installation Pressure

• None of these

Which test is done to assess performance of Sprinkler System?

• Water Proving Test

• Water Flow Alarm Test

• Hydrostatic Pressure Test

• Leakage Test

Which type of Sprinkler system is commonly used libraries or museums?

• Dry Pipe System

• Pre-action system

• Wet Pipe System

• Deluge System

What is the typical operating temperature of a sprinkler head in Degree celcius?

• 68

• 93

• 57

• 150

Which NFPA provides guidelines inspection,testing of Sprinkler system?

• 72

• 24

• 13

• 87

What is the purpose of supervisory alarm in sprinkler system?

• Activates water flow

• Indicate system malfunction

• Control water pressure

• Test solenoid valve

In Dry Pipe System,What fills the pipes before water is released?

• Compressed Air

• NeonGas

• Co2 gas

• Oxygen

What is the purpose of check valve in a sprinkler system?

• Control water Pressure

• Prevent back flow

• Initiate water release

• Monitor system integrity