Two valves commonly used in pressurized feed systems are _ and _

latch valves and drainage valves

burst diaphragm and latch valves

burst diaphragm and drainage valves

latch valves and Isolation valves

Correct Answer : latch valves and Isolation valves

Explanation : Isolation and latch valves are commonly used for pressurized feed systems. For opening and shutting them down, they require power, but when latched on to some position they don’t require any power.

Recently Updated in Rocket Propulsion Questions

Which of the following is not a property of the main liquid oxygen valve?

Low pressure

High pressure

Cryogenic

Reusable ball valve

Correct Answer : Option (A) : Low pressure

Explanation : Main liquid oxygen valves are under high pressure. Since liquid oxygen easily evaporates under normal atmospheric conditions, they are kept in cryogenic tanks. These valves also make use of reusable ball valves.

German antiaircraft missile Wasserfall used four of which of the following valves?

Latch valves

Burst diaphragm

Isolation valves

Drainage valves

Correct Answer : Option (B) : Burst diaphragm

Explanation : Burst diaphragm is used in the German missile Wasserfall. It actually used 4 of such burst disks.

Which of the following valves help in controlling gas pressures?

Latch valves

Isolation valves

Burst diaphragm

Pressure regulator

Correct Answer : Option (D) : Pressure regulator

Explanation : Pressure regulator, as the name mentions, helps in regulating or controlling gas pressure. Other valves serve different purposes, like maintaining the flow until a pressure differential (burst diaphragm) or for isolation of a particular flow region.