Mechanical Comprehension Test Questions and Answers – How To Pass Mechanical Aptitude Tests



hello there my name is Richard McMunn and in this video presentation I'm going to talk to you about mechanical comprehension tests what they are and how you can prepare effectively for them so let's get straight into it we need to know first of all what are mechanical comprehension tests and what are they used for well basically mechanical comprehension or aptitude tests as they are sometimes called have been in use for many years and they're used as a method for assessing a candidate's potential to perform a specific job so that's why the Assessor will give you the test to take as they want to see whether you have the potential to carry out this kind of job and it's important that the job that you are being assessed for and has a test that is relevant to the role so for example if you were going to carry out or you're applying for say an administration role in an office then you're not going to have to undertake a mechanical comprehension test so basically they're used in careers which require an ability to work with or understand mechanical concepts and examples of those different kind of careers would be something like a train driver where you have to undergo traction training so therefore you have to understand the basic principles about mechanical comprehension the same with driving careers so if you were applying to become a lawyer driver or bus driver and again you would need to have a basic understanding of mechanical aptitude or mechanical comprehension the same goes for armed forces now many of the different armed forces will assess you in relation to mechanical comprehension such as Royal Air Force the Royal Navy the Royal Marines and also Army engineering careers different civilian Street engineering careers will require an ability to have mechanical understanding the same if some of the jobs in the emergency services and the main one is probably the firefighter so if you want to join the fire service you may have to undertake a mechanical comprehension test because in that kind of role you're going to have to use different kinds of complex machinery some of them which require an ability to understand hydraulics and therefore mechanical aptitude is important goes without saying that a motor we'll have to understand mechanical comprehension and the same with an aircraft engineer now that list is certainly not exhaustive but it just gives you a bit of a flavor for the type of careers that you would apply for where you'll have to carry out this kind of test now I want to state from the offset that you will be assessed against both speed and accuracy when you undertake a mechanical comprehension test a lot of Assessors now will deduct marks for every one that you answer incorrectly so that basically means that any wild guessing is out of the window so you need to carry out lots of practice of mechanical comprehension tests and I'll tell you where you can do that at the end of this presentation so don't forget you're going to be going for speed and accuracy now a lot of the mechanical comprehension tests will give you a series of multiple choice options as the answers and that will generally be answer ABCD and sometimes II saw four or five different options for you to choose from so the answer is in front of you but you basically have to understand the principle so what is important to understand now I'm going to talk about clockwise and anti-clockwise now very briefly now to apologize most people will understand this and I don't want to insult your intelligence but it's very important that you understand the principle of clockwise and anti-clockwise before you tackle any kind of mechanical comprehension test now the easiest way to remember this for those who aren't too sure about clockwise or anti-clockwise is that the hands on a clock rotate clockwise okay so that's the way they go around so if you look at that one on the left that is clockwise and all you have to do if you ever forget it is just think about the hands on a clock which way do they go round and that clockwise so obviously the other way around is anti-clockwise and these are the two phrases which used quite frequently during mechanical comprehension tests now you may also find out some test questions which have been created in the USA referred to anti-clockwise is counter clockwise so just bear that in mind if you ever see that during your testing you know that counter clockwise is anti-clockwise okay let's try out that principle so which way will cog C rotate so that's coxy there the only clue that we've got in this question is that a is being shown as going round to the right which as we know because we learn this that that is clockwise so what I tend to do in this kind of question is to either use my mouse if the test is online or use a pencil if it's a paper-based test and I follow that round so you'll know that that's going clockwise that means that B will go anti-clockwise because the way the cogs are configurated and therefore that means that C will also rotate clockwise so the answer would be that C will rotate clockwise I'll just quickly go through that again a is rotating clockwise so you can follow with your pen or your mouse cog B will go anti clockwise or counter clockwise and C or therefore go clockwise and that's how you can work out which way they're going to rotate you don't have to just do it in your head you can actually use your mouse or a pen or pencil if it's a paper-based exercise now I want to quickly touch on mechanical advantage because again this is important to understand during many of the basic mechanical comprehension tests that you will have to undertake so if we look at these three pulley systems here you'll know that each system has got what is called supporting ropes and non supporting ropes now supporting ropes are the ones which as the name suggests support the load only the first two pulley systems here have non supporting ropes and I've colored these black to show that they are the supporting ropes and they support the load and you need to identify these when trying to calculate the mechanical advantage and you'll see there that I've put for you that those two first ones there are non supporting they're not supporting the load so they're not taking any of the weight whereas these ones are so the non supporting ropes in the first two pulley systems they basically simply change the direction of the force okay so the force is wanted to go this way on those two it's wanted to go downwards and that is wanting to pull it the other way now to calculate the mechanical advantage in a movable pulley system what we have to do is simply count the number of supporting ropes so if we try and work out a mechanical advantage in each of these three different pulley systems we can see on the left that there is one to supporting ropes and therefore that has a mechanical advantage of two if we look at the second one we'll see that the supporting ropes are there one two and three and therefore pulley system in the middle has a mechanic Vantage of three and on the end there on the right you'll see that even though that rope there on the left is going upwards it's not changing the direction of the force that's one two three four five so there's a mechanical advantage of five and basically the higher the mechanical advantage the easier it is to actually lift the load so hopefully that gives you a brief explanation of mechanical advantage so let's try that out so what is the mechanical advantage in this pulley system so knowing what we've learned so far there is only one supporting rope there the one on the right just changes the direction of the force therefore the answer is one so that is a mechanical advantage of one how about this one well you notice there that there is one to supporting ropes because that is non supporting that just changes direction of the force and therefore the answer that that pulley system has a mechanical advantage of – okay so let's take a look another different kind of sample mechanical test question so if we look at the diagram there you've got a ladder which is basically pitched against a building or a block and you see there that the height it gives us a height as 12 meters aides a question a builder is told two pitches ladder a third of the working height so we know the working height is 12 meters away from the building below how many meters away from the building should the foot of the ladder be placed okay so that is the foot of a ladder that at the top is a head of a ladder so the foot and the head we know that the working height is 12 meters because that's where we're working – so we can then work out the ladder a third of the working height would need to be and the answer is C because four meters is a third of the working height is a third of twelve so that would be the answer that's what you would select let's take a look at another one so if we look at this simple beam system here you've got a weight of 50 kilograms on the left hand side you'll notice there that the fulcrum point that's the fulcrum point there with that sort of balancing point is not in the middle if it was in the middle directly so you can see it's not because you've got 1 meter length there and a 2 meter there if it was in the middle then the amount of weight that we would place on the right hand side to balance the beam would be 50 kilograms however we can't because the fulcrum point is over to the left so therefore on first looking at you might think well we need to add more weight when in fact we don't need to add less weight okay so we know the difference days one meter that's twice the distance two meters so therefore the weight is hot is halved and the answer is D so 25 kilograms placed on the right hand side will balance the B let's take a look at another one which chains we've got chains a b and c will support the load on its own so what you have to do is imagine that each of these is not there and then place them on their own and decide whether that weights there will be supported so let's start with a if we place a on its own take off B and C the weight is going to be forcing downwards which means that that side on the left will go up that means that a is not going to support that load let's go to B so if we take off a and take off C on our minds and we're just stuck with B the weight is forcing downwards therefore the load will be supported because of the chain which is attached there will not allow that side to go any higher therefore the answer to that question would be B so if you think of C there just to confirm if we take off chains a and B and leave with C the weight will be forcing downwards and it's not being supported therefore it will drop down to C is not going to support the load it's just a basic process of elimination going through your mind visualizing which one is going to work now let's take a look at this one if cog a moves in a clockwise direction there's cog a which way will cog B turn so let's use the principle that we've got before so it's going in a clockwise direction so use our mouse that means that this one here is going to go anti-clockwise which means that B is also going to go clockwise and the answer is a okay let's take a look at another sample mechanical test question this is basically a pendulum system so if you think of a pendulum system it says which point will the pendulum that's the pendulum there will be traveling at the fastest speed so if we were to start at a and then let the pendulum swing it would go backwards and forwards as you understand so at which point would it be traveling fastest and the answer is B because each point a and C is going to be coming to rest it will run out of speed and it will come back down and it will be fastest at point B so that's the correct answer let's take a look at novel and this you've got to look out for these kind of questions guys because this is a bit of a trick question which load is the heaviest and you could be fooled for saying well as the heaviest because it is the largest but that doesn't necessarily mean it's the heaviest and the trick to this question is you'll see that the fulcrum point in the middle means that the beam is balancing therefore both are the same so the answer is a so don't get caught out with that thinking yet a is the heaviest because it's the largest it's not the key is to look at the beam okay so that's given you a little bit of a taste and a flavor of mechanical comprehension tests I've created a word book which is mechanical comprehension tests and it's packed full of explanations and different mechanical comprehension test questions now you can get this by either clicking the link just below the YouTube video or you can go directly to career vidcom and get a copy of the book now and you can instantly download it and start practicing mechanical comprehension test questions now I hope that has helped you and give you a brief explanation and thank you very much for watching and I wish you all the best in your pursuit for parsing your mechanical comprehension test

27 Comments

  1. CareerVidz said:

    Get FREE Mechanical TESTS at http://www.MechanicalTests.co.uk/

    June 27, 2019
    Reply
  2. Chris Vandenenden said:

    Dudes voice sounds like Eddie hearn haha

    June 27, 2019
    Reply
  3. David said:

    What test does this help with ?

    June 27, 2019
    Reply
  4. Frosty Jayon said:

    "1,122"

    June 27, 2019
    Reply
  5. Saint Lewis said:

    Thank you

    June 27, 2019
    Reply
  6. Jorge Pulido Valadez said:

    Thank you sir

    June 27, 2019
    Reply
  7. Potter Charles said:

    Way way too much over explaining in the beginning

    June 27, 2019
    Reply
  8. edgar morales said:

    AWSOME VID!!! i see all the mistakes i was making before! thank you

    June 27, 2019
    Reply
  9. Mark Johnson said:

    Remember that a chain of rotating cogs always rotate with their even and odd counterparts. For example: Cog 1,3, 5, 7 etc will rotate the same direction and cogs 2, 4, 6, 8, etc will rotate the same direction. In this example cog A (1) will rotate in the same direction as C (3). That way you can speed through these types of questions.

    June 27, 2019
    Reply
  10. Jacob O'Reilly said:

    11:40 "but steel is heavier than feathers"

    June 27, 2019
    Reply
  11. Blonks T said:

    Thanks, well explained

    June 27, 2019
    Reply
  12. Mike Santiago said:

    Spent the first 4 minutes talking WAY TOO MUCH! We know what a Aptitude Test is;

    CLEARLY it’s WHY we searched this vid! However, everything past the 4 minute blabber was EXCELLENT INFO!!!

    June 27, 2019
    Reply
  13. get bent said:

    Great have a rail aptitude test tomorrow. These questions all made sense so hopefully I will be competent, if not oh well no big deal!

    June 27, 2019
    Reply
  14. dee zee said:

    Get better sound quality cant hear u

    June 27, 2019
    Reply
  15. Blk Knight said:

    Great work I took a test couple days ago haven't practice in awhile but hopefully I did fine. Thx for the Information.

    June 27, 2019
    Reply
  16. James Marquis said:

    Get to the point!!!

    June 27, 2019
    Reply
  17. Michael Azzarita said:

    Is the real test actually this easy?

    June 27, 2019
    Reply
  18. Kai said:

    isn't 3 meters for that ladder question?
    4 to 1 rule?

    June 27, 2019
    Reply
  19. laroccacounty1 said:

    I thought this was great.

    June 27, 2019
    Reply
  20. Paul Taylor said:

    Will this video help with the Bennett Mechanical Test?

    June 27, 2019
    Reply
  21. Thom Moore said:

    Thank you my friend

    June 27, 2019
    Reply
  22. Josh Stanyer said:

    "a train driver" lmao.

    June 27, 2019
    Reply
  23. Stank Montana said:

    I hope this helps with my pipe welding test …. great video 🙏🏾

    June 27, 2019
    Reply
  24. Edward Pollard said:

    I’m looking to get in heavy machine operators program will this test help me

    June 27, 2019
    Reply
  25. jaisminm morris said:

    Thank you!

    June 27, 2019
    Reply
  26. Benjamin Lewkowicz said:

    Thank you very much!

    June 27, 2019
    Reply
  27. Teyona Johnson said:

    very good thank you a lot

    June 27, 2019
    Reply

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