Salinity Systems Flashcards
The salinity indicating system is specifically designed to accurately measure the salinity of water in the?
Ships freshwater producing equipment
An audible and visual alarm activates when distillates contains _____ grains or more of salt?
.25
Electrical conductivity of a medium is deterring by the amount of ______ in a salinity system.
Free ions
In a salinity cell system, the function of the thermistor is to act as a temperature sensitive _______?
Resistor
What are the 3 major parts of the salinity indicating system?
Meter circuit, alarm circuit and dump system
What is the measured voltage value across the salinity sensor’s plate gap, as compared to the measured voltage value in the alarm setting control?
Reference voltage
What causes the dump valve to divert water overboard?
High impurity levels
What is the term used to describe the temperature coefficient, if the resistance of the device decreases when the temperature is increased?
Logarithmic negative temperature coefficient
What indicator lamps in not provided on the salinity cel indicator panel?
Salinity cell replacement
The basic operation of an alarm system consists of _____?
Detecting an alarm condition in a particular compartment of the ship, and detecting a trouble condition within an alarm circuit.
The function of the alarm panel is to monitor?
Supervisory and alarm circuit
What type of circuit is used with flooding alarm systems to detect the presence of compartmental flooding?
Float Switch
To clean the platinum surface of a salinity cell electrodes use?
Alcohol
