Q1. If  and , the values of  are

Q2. A number A is correctly rounded to 3.18 from a given number B.  Then |A-B|≤C, where C is

  0.005

  0.010

  0.180

  0.09999

Q4. The formula for normal strain in a longitudinal bar is given by

where

         F = normal force applied

         A = cross-sectional area of the bar

         E = Young’s modulus

If , , and , the maximum error in the measurement of strain is

Q5. A wooden block is measured to be 60 mm by a ruler and the measurements are considered to be good to 1/4th of a millimeter.  Then in the measurement of 60 mm, we have ________ significant digits

  0
  1

  2

  3

Q6. In the calculation of the volume of a cube of nominal size 5", the uncertainty in the measurement of each side is 10%.  The uncertainty in the measurement of the volume most nearly is

  5.477%
  10.00%
  17.32%

  30.00%

Complete solution 

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