2025 CITY AND GUILDS LEVEL 3 AERONAUTICAL
ENGINEERING UNIT 215 LATEST EXAM 2025 WITH
160 QUESTIONS AND WELL -VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ | GUARANTEDD
PASS | CITY AND GUILDS AERONAUTICAL
ENGINEERING ACTUAL FINAL 2025 EXAM [BRAND
NEW]
What is the HCF of 18 and 30? - ANSWER-6
Convert 0.375 to a fraction in its simplest form. - ANSWER-3/8
What is the difference between direct and inverse proportion? - ANSWER-Direct:
as one increases, the other decreases. Inverse: as one increases, the other decreases.
Estimate 19.8 x 4.1 to 1 significant figure. - ANSWER-20 x 4 = 80
Express 4800 in standard form. - ANSWER-4.8 x 10^3
Define terminating decimal. - ANSWER-A decimal that ends or has a finite number of digits.
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Define recurring decimal. - ANSWER-A decimal in which a digit or group of digits repeats infinitely.
What's the constant of proportionality? - ANSWER-The value that links two variables in direct or inverse proportion, e.g., y = kx
What are 'awkward fractions'? - ANSWER-Non-standard fractions that don't simplify easily (e.g. 13/17).
Where are fractions used in engineering? - ANSWER-Imperial sizing: e.g., 3/8" bolts or 1 1/2" spanners.
What is latent heat? - ANSWER-Energy required to change state without changing temperatures.
Give one example of a conductor and one of an insulator used in aircraft. - ANSWER-Conductor: aluminium; Insulator: plastic
What is Brownian motion evidence for? - ANSWER-The kinetic theory of matter
What is Brownian motion? - ANSWER-Random motion of particles suspended in a fluid due to collision with molecules.
Why does water expand when frozen? - ANSWER-Due to the formation of an open hexagonal crystal structure.
State an example of a covalent bond in aircraft materials. - ANSWER-Carbon- carbon bonds in composite materials like CFRP.
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