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Safeguards other than Relief Systems

Terms in this set (44)

Which of the hazards shown here was a process hazarad associated with the Texas City incident?
large quantity of flammable liquid
which of the following reactive systems that generate an opaque final solution when mixed with water and starch is inherently safest?
Sodium iodate, sodium sulfite, and citric acid
Safeguards make a process operation inherently safer
false
which of the following are loss events?
release of a toxic gas to surroundings and the rupturing of a pressure vessel
safeguards that can interrupt the chain of events following an initiating event and keep a loss event from occuring is called:
preventative
Three aspects of a process design that particularly related to process safety and safeguards are:
...
The vessels, piping and associated equipment that are in direct contact with the process material constitute the secondary containment system
false
which of the following are true about the initiating event?
can be mechanical failure, human error or external event

it transitions and normally operating process to an abnormal situation
as long as hazardous materials and energies are contained and the process is within normal operating limits, loss events are not happeneing
true
a chain of events leading to a loss event is also know as an incident scenario
true
safeguard is defined as
any device that either interrupts the chain of events following an initiating event, or that mitigates the consequences the consequences
if process hazards are eliminated, incident sequences leading to loss events such as fires, explosionns, and toxic releases will not occur
true
the higher the base risk, the greater the need for safeguards
true
how many basic types of safeguards are there?
2
The basic process control system (BPCS) is:
...
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