Home » Quantities and Units Online Test » Quantities and Units Online Test – Multiple Choice Questions and Answers Quantities and Units Online Test – Multiple Choice Questions and Answers Posted on August 19, 2018March 30, 2017 by engineer3 Comments 1. The number 14.8 can also be expressed as 1.48 × 10^{-1} 1.48 × 10^{1} 1.48 × 10^{0} 1.48 × 10^{2} 2. The difference between scientific and engineering notation is groupings of multiples of three digits single vs. multiple digits before decimal point powers of ten representation all 3. The digits in a measured number that are known to be correct are called error digits accuracy digits significant digits precision digits 4. If you drop a 5 when rounding a number, you are using the retained digit rule significant digit rule round-to-even rule round-off rule 5. Another name for “fundamental units” is letter symbols base units atoms the metric system 6. Derived units are obtained from various combinations of fundamental units international standards electrical quantities metric prefixes 7. Current is measured in volts watts henries amperes 8. The unit for frequency is the second ampere hertz watt 9. A measure of the repeatability of a measurement of some quantity is accuracy significant error precision 10. Pico is what relation to micro? one-millionth one-thousandth one-hundredth one-tenth Loading … Question 1 of 10

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