Advanced Mine Survey Certificate Exam Practice Questions - Advanced Certificate In Mine Survey (South Africa) Exam

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In a Weisbach triangle setup, instrument station A is placed nearly in line with plumb wires W1 and W2. The distance AW1 = 3.500 m, the distance W1W2 = 4.200 m, and the measured angle W1-A-W2 = 00° 04' 12" (252 seconds). What is the angle W1-W2-A at wire W2?

00° 03' 30" (210 seconds) 00° 05' 02.4" (302.4 seconds) 00° 02' 10" (130 seconds) 00° 08' 24" (504 seconds)

Correct Answer:

00° 03' 30" (210 seconds)

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