Level 3 BTEC Engineering - Unit 1 Engineering Principals UPDATED ACTUAL Exam Questions and CORRECT Answers

Level 3 BTEC Engineering - Unit 1
Engineering Principals UPDATED
ACTUAL Exam Questions and CORRECT
Answers
a^m X a^n - CORRECT ANSWER✔✔- a^(m + n)



a^m ÷ a^n - CORRECT ANSWER✔✔- a^(m-n)



(a^m)^n - CORRECT ANSWER✔✔- a^mn



logA + logB - CORRECT ANSWER✔✔- logAB



logA - logB - CORRECT ANSWER✔✔- log(A/B)



xlogA - CORRECT ANSWER✔✔- logA^x



cosine rule - CORRECT ANSWER✔✔- a² = b² + c² - 2bcCosA



length of an arc of a circle - CORRECT ANSWER✔✔- s = r X theta



Area of a sector of a circle - CORRECT ANSWER✔✔- A = ½ X r² X theta



Volume of a cylinder - CORRECT ANSWER✔✔- V=πr²h



Total surface area of a cylinder - CORRECT ANSWER✔✔- 2πrh + 2πr^2



Volume of a sphere - CORRECT ANSWER✔✔- 4/3πr³

, Surface area of a sphere - CORRECT ANSWER✔✔- 4πr²



Volume of a cone - CORRECT ANSWER✔✔- V=1/3πr²h



Curved surface area of a cone - CORRECT ANSWER✔✔- π x r x l



Quadratic Formula - CORRECT ANSWER✔✔- x = -b ± √(b² - 4ac)/2a



acceleration due to gravity - CORRECT ANSWER✔✔- 9.8 m/s^2



permittivity of free space - CORRECT ANSWER✔✔- 8.85 x 10^-12



Permeability of free space - CORRECT ANSWER✔✔- 4π X 10^-7 X H/m



final velocity - CORRECT ANSWER✔✔- v = u + at



distance - CORRECT ANSWER✔✔- s = ut + ½at²



direct stress - CORRECT ANSWER✔✔- F/A



direct strain - CORRECT ANSWER✔✔- ∆L/L



shear stress - CORRECT ANSWER✔✔- F/A



shear strain - CORRECT ANSWER✔✔- a/b



Young's Modulus - CORRECT ANSWER✔✔- stress/strain



modules of rigidity - CORRECT ANSWER✔✔- t/y