A gas turbine rotates at 60000 RPM and has fifty blades on its largest diameter. One of the sound frequencies it produces is around:
A) 50 kHz
B) 50 Hz
C) 5000 Hz
D) 60 kHz
E) 20 kHz
Correct Answer:
Verified
Q1: Presbycusis is:
A)Hearing loss due to long term
Q2: Hearing range is:
A)20 Hz to 20 kHz
B)2
Q3: What does the building services engineer do
Q4: Sound travels through air in the form
Q5: Reference point for sound level measurement is:
A)Lowest
Q7: Which item of plant does not normally
Q8: Which is the smallest increment of sound
Q9: Explain the meaning of SWL:
A)Sound pressure level,
Q10: A noisy machine on a plant room
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents