A) 388 Hz
B) 380 Hz
C) 378 Hz
D) 390 Hz
Correct Answer: D
Solution :
nA = ?, nB = 384 Hz x = 6 bps, which is decreasing (from 6 to 4) i.e. x¯ Tuning fork A is loaded so nA¯ Hence nA¯ ? nB = x¯ Correct nB ? nA¯ = x¯ Wrong Þ nA = nB + x = 384 + 6 = 390 Hz.You need to login to perform this action.
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