HAZOP ANALYSIS AND RISK ASSESSMENT

What is HAZOP?

• a hazard

• a structured and systematic technique for system examination and risk management.

• an unsystematic technique for system examination and risk management.

• none of the above

Choose correct meaning for MORE/HIGHER/GREATER guide word.

• Complete substitution

• In additional location

• Qualitative increase

• Quantitative increase

The ____________ process determines whether exposure to a chemical can increase the incidence of adverse health effect.

• Exposure assessment

• Hazard identification

• Risk characterization

• Toxicity assessment

What is the main purpose of hazard identification?

• To characterize adverse effect of toxins

• To minimise the effect of a consequence

• To reduce probability of occurrence

• For better risk management

Which of the following data is not required for hazard identification?

• Affected population

• Contaminant levels

• Estimation of risk

• Land use

In HAZOP study, deviation can be defined as ____________

• Guide word + parameter

• Study node+ guide word

• Study node+ causes

• Guide word+ consequences

Choose process flow parameter/s applicable in HAZOP studies.

• Flow

• Level

• Pressure

• Temperature

• All of above

Choose function of team leaders in HAZOP team members.

• answer questions about the plant and process

• Understand and explain the plant design

• Participant in study

• Planning and preparation

Identify sections that is/are not available in HAZOP study form.

• Cause

• Consequence

• Deviation

• Guide words

• None of the above

Which of the following is an advantage of HAZOP?

• No means to assess effectiveness of existing or proposed controls

• No means to assess hazards involving interactions between different parts of a system or process

• Not required to explicitly rate or measure deviation probability of occurrence

• No risk ranking