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,
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 0.0050.010 0.180 0.09999
Q3. Two numbers A and B are approximated as C and D, respectively. The relative error in C xD is given by
 
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%
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