Measurements are being discussed. Technician A says a magnifying glass is sometimes helpful when reading a vernier scale. Technician B says 24.5 mm equals one inch. Which technician is correct?
A. Technician A
B. Technician B
C. Both technicians
D. Neither technician
Answer: A
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Answer the following statement true (T) or false (F)
Materials that inhibit the flow of electrons are known as:
A. capacitors B. shells C. insulators D. conductors
A resistance wire strain gauge with a gauge factor = 2 is bonded to a steel structure member subjected to a stress of 100 MN/sq.m. Modulus of elasticity of steel is 200 GN/sq.m. Calculate the percentage change in value of the gauge resistance due to the applied stress.
What will be an ideal response?
By the end of the fifth century, the center of the Roman Empire had shifted to
a. Ravenna. b. Antioch. c. North Africa. d. Constantinople.