Electrical Safety Rules
Test results
Your result: 96%
Right answers:
1
Which of the following statements apply to working on extra low voltage equipment?
Your answer is correct:
Extra low voltage equipment must always be proved dead before work can commence.2
In electrical terminology, what is the correct definition of extra low voltage?
Your answer is correct:
A voltage which does not exceed 50 Volts AC between conductors or between any conductor and earth.3
The Electrical Safety Rules are designed to work in conjunction with a ship’s Risk Assessment Process and Permit to Work System.
Your answer is correct:
True.4
Which of the following is the correct definition of a Hazardous Area?
Your answer is correct:
An area in which explosive gas or air mixtures are present or may be expected to be present in quantities which require special precautions for the construction and use of electrical apparatus.5
Which of the following statements are true in relation to the safe use of electrical equipment?
Your answer is correct:
All equipment should be suitable for purpose.; All equipment should be properly maintained.; All equipment should be used in line with the manufacturer’s guidelines.6
Which of the following is used as guidance for electrical safety onboard seagoing vessels?
Your answer is correct:
SOLAS Chapter II-1 Construction – Structure, subdivision and stability, machinery and electrical installations, Part D Electrical Installations.7
The Master is responsible for ensuring the seaworthiness, navigation, cargo and maintenance of their vessel, in accordance with all mandatory regulations.
Your answer is correct:
True.8
Which of the following members of personnel is responsible for the safe and efficient operation and maintenance all electrical plant and equipment onboard?
Your answer is correct:
Electro-Technical Officer.9
Which of the following are typical duties of the Electro-Technical Officer?
Your answer is correct:
Ensuring that all records, manuals and technical drawings are updated and maintained in a correct and useable form.; Carrying out regular inspections of all electrical power management systems to ensure that they conform with standards of operation and maintenance.10
Which of the following are the main roles that are directly involved in Electrical Safety?
Your answer is correct:
Electro-Technical Officer.; Chief Engineer.; Master.11
Which of the following statements concerning the Chief Engineer are true?
Your answer is correct:
The Chief Engineer reports to the Master.; The Chief Engineer is responsible for the technical management of the vessel.12
Which of the following are specialised items of electrical safety equipment?
Your answer is correct:
Insulated mats.; Insulated shepherd’s crooks.13
It is extremely important for all personnel to wear the correct Personal Protective Equipment as it could provide protection from serious injury.
Your answer is correct:
True.14
Which of the following statements are true in relation to the safe use of electrical equipment?
Your answer is correct:
Electrical personnel must work within the Permit to Work System.; Electrical personnel must wear appropriate PPE.; There are specific precautions that must be taken for electrical work.15
Which of the following is required before testing can be completed on high voltage electrical equipment?
Your answer is correct:
A Sanction for Test document.16
Which of the following precautions must be taken when working on low voltage systems?
Your answer is correct:
All equipment must be proved dead by testing.; Barriers must be erected to stop unauthorised persons entering the area.; Danger notices must be attached to equipment or systems.17
Which of the following statements apply to electrical isolation?
Your answer is correct:
All electrical equipment must be regarded as live until proven dead.; An electrical isolation must be secured with a suitable locking device.18
What is the purpose of a lock out system?
Your answer is correct:
To ensure that it is not possible to de-isolate electrical equipment or systems with the proper authority and the correct procedure being followed.19
How is low voltage electrical equipment earthed?
Your answer is correct:
By applying portable earthing leads.20
The term “high voltage” equates to which of the following?
Your answer is correct:
A voltage greater than 1 000 Volts AC or 1 500 Volts DC between conductors.; A voltage greater than 600 Volts AC or 900 Volts DC between conductors and earth.21
What is the meant by Electrical Isolation?
Your answer is correct:
The disconnection and separation of electrical equipment from every source of electrical energy in such a way that this disconnection and separation is secure.22
All electrical equipment should undergo regular inspection and maintenance, and gas testing must always be carried out before and during any electrical work taking place in a hazardous area.
Your answer is correct:
True.23
Which of the following hazards are related to battery bank systems?
Your answer is correct:
Production of explosive gases during changing.; Corrosive materials.24
Static electricity is a particular hazard with which of the following types of equipment?
Your answer is correct:
Grit blasting equipment.; Rotating equipment.25
What is PAT testing?
Your answer is correct:
Testing portable equipment.26
Which are the most common hazards associated with electrical work?
Correct answer:
Electrical fires.; Electrocution.; Shock.; Risk of fire or explosion from ignition of flammable gas, liquid or vapour.Your Answer:
Electrical fires.; Electrocution.; Shock.27