Formulas

6 Written Questions

1. Frequency
2. Absolute pressure
3. Flow
4. /3r/ (err)
5. /i/
6. /u/

6 Multiple Choice Questions

1. Sound pressure level of dBs formula
   1. P(absolute) = P(gauge) + P(atmospheric)
   2. dB SPL = 20 x log(pressure/pressure reference)
   3. Period = 1/frequency
   4. Pressure=H(outlet)-H(inlet)
2. Pressure
   1. Pressure=H(outlet)-H(inlet)
   2. F= 1/period
   3. Period = 1/frequency
   4. P1V1/T1 = P2V2/T2
3. Period
   1. Flow=V/T
   2. F= 1/period
   3. P1V1/T1 = P2V2/T2
   4. Period = 1/frequency
4. Volume/time
   1. V1/T1=V2/T2
   2. P1V1=P2V2
   3. Flow=V/T
   4. P1V1/T1 = P2V2/T2
5. Pressure Difference with flow
   1. Sin(x)=opposite/hypotenuse
   2. Period = 1/frequency
   3. P(difference)=Flow x Resistance
   4. P(difference)=P(upstream)-P(downstream)
6. Pressure(volume)/time
   1. Flow=V/T
   2. P1V1=P2V2
   3. V1/T1=V2/T2
   4. P1V1/T1 = P2V2/T2

5 True/False Questions

1. P(difference)=P(upstream)-P(downstream) → Pressure Difference with flow

   True        False

2. K=C+273 → Kelvin

   True        False

3. C=K-273 → Celsius

   True        False

4. P1V1=P2V2 → Pressure(volume)

   True        False

5. Sin(x)=opposite/hypotenuse → Frequency

   True        False