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Free SIA security mock test
Thirty questions in 45 minutes on the law on use of force, the risks of restraint, positional asphyxia, team working, medical emergencies and reporting, with an 80 per cent pass mark.
Each attempt picks a new set of questions from a bank of 44, so you can practise as often as you like.
Disengagement starts with a clear verbal command. If that fails, a trained release technique that uses the weak point of the grip is used with the minimum force needed. Striking or bending fingers risks injury and is hard to justify.
Medical conditions, pregnancy and head injuries all raise the risk of serious harm during restraint and should change how, or whether, a hold is used. Wearing glasses is not a risk factor in itself.
Clear verbal requests, giving time to comply, calling for support and withdrawing are all alternatives to force. Physical intervention should only follow when these have failed or are not safe to try.
A sudden change from struggling to stillness, blue or grey lips, gurgling, vomiting or loss of consciousness are emergency signs. Stop the restraint, check breathing and call an ambulance.
Employers and venues can be held liable for the actions of their staff, including through civil claims and licensing reviews. The individual remains responsible for their own actions too.
A free team member should manage the surroundings and monitor the person's welfare, calling a halt if there are signs of distress. Holding the head and neck is dangerous and is not a monitoring role.
The question bank has 44 questions across these topics. Every attempt mixes them at random.
Physical intervention is the fourth unit of the Door Supervisor course and the only one with an 80 per cent pass mark. The written paper tests whether you understand when force is lawful, what makes it reasonable, how to judge the risk before and during a restraint, why some positions can kill, how to work as a team, what medical emergencies to watch for and what to record afterwards. The physical techniques are taught and assessed separately on the mats.
Questions move between the law and the body. One asks whether a hold was proportionate in a described situation. The next asks which sign means a person being restrained needs urgent medical help. Read the explanations on the positional asphyxia and acute behavioural disturbance questions with care, because that knowledge protects the people you hold and protects you.
Aim for full marks in practice mode before you sit the timed paper, because 24 out of 30 leaves little room. Door supervisors renewing their licence sit a shorter version on the refresher course, which has its own practice test.
Because the consequences of getting it wrong are serious. The paper has 30 questions in 45 minutes and you need 80 per cent, which is 24 correct answers, rather than the 70 per cent of the other units.
Yes. The written paper is one half. Your trainer also assesses you on the techniques themselves, including disengagement, escorting and team holds, during the course.
Section 3 of the Criminal Law Act 1967 and common law self defence, which allow reasonable force, and what reasonable and proportionate mean in practice. It also covers what happens when force is excessive: prosecution, civil claims and losing your licence.
Death or serious harm caused when the position someone is held in stops them breathing properly, most often face down with weight on the back. The paper asks about the risk factors, the warning signs and how to avoid it, and so does the real job.
Questions last checked: 20 October 2026. These are practice questions written for London SIA Course, not the official exam papers.
Practise with our free mock tests until you pass comfortably, then book your course.