Scientific principles exam part 1 test
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- Опубликовано: 3 июл 2024
- Scientific principles plumbing exam / tests are all about the sicance side of plumbingf for instance how much does water expand when frosen or how to work out the dencity of an object ect. This plumbing exam will test you on your knowledge of scientific principles, your understanding of the way water works and scientific calculations.
In this unit you will explore the scientific principles within plumbing giving you the knowledge about the properties of materials and water. Giving you an understanding of how water and the earth is an important part of plumbing and how it relates to you, this unit is said to be to most complex with scientific calculations to be learnt
Take your time on this exam, this is where you need to dig deep into the knowledge you have been developing throughout this subject.
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THE QUESTION AT 8:03 HAS TWO RIGHT ANSWERS, it says the correct answer is Amps x Ohms = Volts. Which is correct but so would be Volts / Amps = Ohms
Mr grimshap is right, great videos. I got a test on his.
Glad you like it and find it helpful - the website is coming out in the next couple of weeks you will be able to find it at www.plumbingexams.co.uk
My guy👨🏽🦲👊🏽
Hi I'm reading my text book and it says 1 bar is equal to 100.000 N/m2
However you said to find the bar pressure you divide the answer of the pressure of newtons (pa) by 100
I said to divide Kpa by 100 to get bar pressure. 1Kpa is 1000pa. The k is for kilo hence 1000,
Also N/m2 and (pa) are different.
Sorry n thank you
@@mrcat5529 no worries, all these different terms and abbreviations can be confusing . i even get things mixed up from time to time. you seem to relay want to learn and i am happy to help you.
@@practiceplumbingexams thank you, your immensely selfless
Hi guys great channel, dont suppose you have a video on the mathematical principles of plumbing.. I.e working out newtons of pressure on pipework
Hi Mr Grimshaw, first of all thank you glad you like the channel. we don't have anything like that at the moment just practice plumbing exams, but i will be expanding into teaching videos soon. i replied to your comment on the CSCS test video, here it is again in case you missed it :
If you subscribe to the practice plumbing channel if you haven't already at:
ruclips.net/user/practiceplumbingexams -
You will find more exams plumbing related. our new website will be coming out soon, this will be completely free. you will find it at:
www.plumbingexams.co.uk - this is expected to be live from January 2020.
From your message i see formulas are your main concern - when doing pressure in Kilopascal (kPa) it can be hard - i will try to simplify this for you :
Head of pressure - This the main question you will get regarding pressure. So if you have 3M head you times this by gravity which is 9.81N (newtons) ( 3 x 9.81) this = 29.43 kPa (kilopascals) - hope your still with me ? - the question will normally want the answer in Bar pressure.
All you need to do to get Bar pressure from Kilopascals is divide the kPa by 100 --- 29.43 kPa / 100 = 0.2943 therefor 0.29 bar -
roughly 1 meter head is 0.1 bar pressure
The best thing for me to do is pledge to do you a video on formulas, for you and all the others that struggle with the science behind plumbing .
i know this will not answer your question fully but i hope it helps - look out for the video i will do it ASAP
@@practiceplumbingexams omg I love you bro thank you soooooo much your very kind
@@mrcat5529 when you say - pressure in Newtons on pipe what do you mean exactly is it:
Intensity of pressure AKA (Head of Pressure)
OR
Total Pressure acting on the base of a cold water storage cistern
OR
Pressure in Newton Meter Squared (Nm2)
@@practiceplumbingexams ok so one of the questions was to work out the water pressure in newtons... it would give you the area of the container (2m x 5m) and a 3m fall pipe
@@practiceplumbingexams I'm basically on the mathematical side of the plumbing. How much pressure exerted in an installation.. I was pulling my hair out because its been years since I've practiced maths
How do you calculate the question at 2.42
Wat I did
840x700= 588000x9.81=5768280
And I chose B. Lol abit confusing.
The creator said that the correct answer is actually B
Hey guys, please could you explain the formula for the question at 2 minutes 45..
9.81 x the area is it not?? I'm really confused please
Yes your correct the answer is B - my mistake. 1 that sliped through the net -
@@practiceplumbingexams No no, you were right in the first place. It is mass over volume. You have not made a mistake
Density = mass / volume
Check out www.plumbingexams.co.uk if you have not already
I'm confused lol, is it b or c? And how exactly would you work it out please