Tema 6

The EC mark: Is obtained, once the machine has been purchased, through AENOR. Is a Quality Certificate awarded to a company. Is voluntary. Is compulsory since 1995.

The purpose of using safety devices is: To identify danger zones in machines. To remove or reduce risks. To neutralize safety measures which are integrated in machines. None of the above answers is correct.

Guards used to protect workers against machinery risks can be: Fixed barrier guards. Adjustable safety guards. Movable safety guards. All the above answers are correct.

Safety measures integrated in machines are: The safety guards that users incorporate to machines to remove all the risks. Those which are included in the instructions handbook. The safety devices that manufactures have to install in machines when they are being built. None of the above answers is correct.

Regarding machinery which was purchased before 1995: It must have the EC mark. It must have the EC Declaration of Conformity. Any potential hazard must be assessed in order to implement the appropriate safety measures. All the above answers are correct.

A pressure sensitive safety edge: Is a kind of fixed safety guard. Is a kind of movable safety guard. Protects workers from being crushed. None of the above answers is correct.

7 ? The type of risk which causes machinery accidents is: Mechanic. Financial. Productive. None of the above answers is correct.

8 Safety measures non-integrated in machines are: The measures which the manufacturer has to include in the machine design. Those which are included in the instructions handbook. The measures which are prohibited by the law because they are dangerous for the workers who operate them. None of the above answers is correct.

Which are the requirements that the machinery which was manufactured and/or switched after 1st January, 1995 must fulfil?. It must be EC marked. It must have the EC Declaration of Conformity written in Spanish. C. It must be accompanied by instructions, which have to be written in Spanish. All the above answers are correct.

What are consignment systems?. The devices used as seal by the judicial authorities after a fatal accident. Mechanisms or devices that enable the use of keys or padlocks to block switches, valves, etc. The safety mechanisms used in the packaging of a machine which is going to be transported. None of the above answers is correct.

A safety guard is: A material barrier to protect workers. The place where spare parts of machinery are stored. A protection electronic circuit for machines. None of the above answers is correct.

The EC Declaration of Conformity shall include: The manufacturer's name and address. A description of the machine. Signage stickers. Both answers A and B are correct.

The "machine residual risk": Is the risk which has been completely removed after safety measures have been implemented and used. Is the danger caused by the excess of cutting oil, lubricant oils, etc., once they have reached the end of their first life cycle and become "process waste". Must be signalled by means of a warning sign which has to be known by any worker. All the above answers are correct.

Generally, machine risks are divided into several categories: Mechanic. Chemical. Electric. All the above answers are correct.

The EC marking means: Quality. The best value for money. Safety. All the above answers are false.

Machinery will not bear the EC conformity when: It does not meet the essential safety requirements. The manufacturer has incorrectly applied the law. There are any shortcomings in the law. All the above answers are correct.

Which of the following elements prevent workers from getting into danger areas? : Pressure sensitive mats. Immaterial barriers. Safety guards. All the above answers are correct.

The term "safety distance" refers to: The minimum distance between the machine danger zone and the point where a protection device has to be placed. Areas within the arms reach. The height of working platforms. All the above answers are false.

Fixed enclosing guards: Prevent access to danger zones due to its dimensions and distance from the point of operation. Are a type of adjustable guard. Prevent access to the danger zone from all directions by confining the point of operation. Are connected to an interlock device.

Machinery safety assessment is carried out taking into account the following criteria: The limits of the machine. The dangers the machine may cause as a whole in any situation during its lifespan. Both answers A and B are correct. All the above answers are false.