Test - Confinated Spaces.

Teacher surname

01. Confined space is…

A. A limited environment, in which the risk of death or serious injury is very high, due to the presence of dangerous substances or conditions.

B. An environment with poor ventilation and poor natural light.

C. An environment of limited dimensions but which also allows continuous and long-term work to be carried out.

02. Among the main risks present in a confined space we find:

A. Presence of chemical substances.

B. Altered oxygen concentration in excess or defect (with risk of asphyxiation).

C. Concentration of explosive risk substances.

D. All previous answers are correct.

03. Is it possible to work alone in a confined space and/or one suspected of contamination?

A. Never.

B. Short term activities only.

C. Only when working in "open air" tanks.

04. Any person is able to work in a confined space?

A. True, it is enough to know the procedure of the activity to be carried out.

B. False, it is necessary to verify the suitability of the worker (not being obese, not having heart diseases, not suffering from claustrophobia, ...) and provide him with adequate information, education and training.

05. When breathable air condition is due?

A. Oxygen level below 18%.

B. Oxygen level above 22%.

C. Oxygen level between 19,5% and 21%.

06. What is the purpose of ventilation in a confined space?

A. Clean up an environment before workers access.

B. Inject a quantity of air sufficient for the survival of the workers inside.

C. Improve internal temperature conditions and therefore cooling.

D. All previous answers are correct.

07. When it comes to the risk of falling from height?

A. Only when working on building roofs.

B. When carrying out a work activity which exposes the worker to the risk of falling from a height higher than 2 m with respect to a fixed level.

08. Fall arrest devices are:

A. First Category Equipment.

B. Second Category Equipment.

C. Third Category Equipment.

09. Before accessing a confined space it is always necessary to verify that …

A. Workers wear protective equipment.

B. Air control devices are present (multigas detector).

C. Adequate communications systems.

D. Rescue equipment to be used in an emergency.

E. All previous answers are correct.

10. In a confined space with access from above, in the presence of a potentially explosive atmosphere …

A. Never use a fall arrest device.

B. Use a retractable fall arrest device, with a textile energy absorber.

C. ATEX certified fall arrest devices and equipment must be used.

11. Which is the document needed to work in a confined space?

A. The Medical Record of the workers.

B. The authorization from the Health Local Authority.

C. The Work Permit (authorization).

12. What is the duty of the Attendant during confined spaces activities?

A. Do the activities inside the confined space.

B. Control and coordinate the activities from outside.

C. Report the working hours actually done.

13. Who has the duty to intervene in case of emergency in a confined space?

A. The collegues there.

B. The trained and equipped for emergencies personnel.

C. The attendants.

14. Which one of these is a symptom of lack of oxygen?

A. Excessive sweating.

B. Nausea, cough and respiratory distress.

C. Eyesight difficulties.

15. What is the meaning of “prevention” inside the confined space activities?

A. The debriefing check.

B. Adopting safety measures before something happens.

C. Acting only after an accident.

Se desideri ricevere il riepilogo delle tue risposte e la correzione, inserisci qui sotto la tua e-mail.

La e-mail non verrà comunicata a terzi né utilizzata per comunicazioni commerciali. Leggi la ns. privacy policy.