WorksheetsCuestionario sobre Seguridad en Procesos 5
Total questions: 14
Worksheet time: 7mins
You are working on a site that handles combustible dusts and you have already taken precautions to reduce the chances of a primary dust explosion. However, there is a likelihood of a secondary dust explosion. Which is the best way to reduce this risk?
Good housekeeping
Avoid ignition sources
Explosion suppression
Explosion relief
Which of the following is the major hazard from layers of dust accumulating in the plant and on machinery?
Secondary dust explosions
Primary dust explosions
Plant corrosion leading to a major leak
Creation of static electrical ignition
Which type of fire extinguishing medium works by the mechanisms of suffocation and vapor suppression?
Powder
Inert
Foam
Water
Sometimes a 'table-top exercise' is used to simulate an emergency. What are the main benefits of such exercises?
Validates plans, develops staff competency by practicing roles and tests procedures
Identifies hazards, considers those affected, evaluates risk and implement suitable controls
Analyses unsafe working conditions and behaviors and implements corrective actions
Examines a process safety management system, identifies problems and provides solutions
You are conducting a classification for a fuel storage site; in particular you are concerned with the area around the fuel pump and pipelines connected to each storage tank. Assuming all components are in good condition, what zone is the area around?
Zone 1
Zone 22
Zone 2
Zone 21
For which operating environment is ATEX-approved equipment essential?
Potentially flammable atmospheres from dust or vapour
Toxic atmospheres within confined space work activities
Pressurised atmospheres requiring associated relief valves
Corrosive atmospheres in offshore oil and gas installations
To manage an organization's reputation during emergencies, there should be a nominated trained person to specifically lease with
media reporters
plant workers
corporate managers
site visitors
It is very common practice to segregate an accommodation block from process plant. Which type of risk control is this an example of?
b) Engineering control
a) Elimination
c) Administrative control
d) Substitution
Shift handover between an incoming and outgoing operator should be conducted safely with
c) Both participants taking joint responsibility
a) At least one participant taking some responsibility
b) None of the participants taking responsibility
d) An operations supervisor taking sole responsibility
Which of the following is a significant process safety risk from the increased use of contractors?
a) Detailed knowledge of equipment and processes may be lost when contractors change
b) Contractors are unfamiliar with the site and more likely to have incidents
c) Selection of contractors uses resources that could be used improving process safety
d) Contractors are not always available when needed and can be unreliable
A thorough visual inspection of the plant to determine that all work has been completed is most relevant within the
pre-start-up safety review
post-start-up safety review
pre-shutdown safety review
post-shutdown safety review
Pressure, temperature, flow, level, pH and density are common
parameters associated with safe operating envelopes
Processes associated with safe operating envelopes
problems associated with safe operating envelopes
procedures associated with safe operating envelopes
What is normally included in the periodic review of the safety performance of contractors working on site?
Inspections check compliance and accident data review meetings
A request for method statements, risk assessments and official licenses
Scrutiny of contractor health and safety policy and previous prosecutions
Analysis of contractor training record, qualifications and past experience
The main reason why a shift handover should be given as much time as necessary is to allow for
an incoming operator to ask questions about the status of the process and an outgoing operator to clarify and explain
an outgoing operator to remove personal locks from isolation control boxes associated with maintenance preparation
an outgoing operator to remove permits from a permit board and sign off completed permit-to-work documentation
an incoming operator to familiarize themselves with control panel instrument readings and operating trends
