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only pointless, it is also confusing for the reader. If a value of 19.47122063449069 degrees is given in a lab report, it will be assumed by the reader that this angle has been measured to this level of precision, which it has not. In addition, if the angle of the slope has been measured to this level of precision, it may still not be appropriate to quote with 16 significant figures if the value is used in subsequent calculation. For example, if the value of angle is to be used in a calculate the force experienced as due to a body placed on the slope, the result of the calculation will be dependant on the accuracy and precision of the measurement of the body’s mass. Unless the mass measurement has been made to an equally high precision as the measurement of the slope angle, then the additional significant figures will be useless. Therefore, whenever numerical information is presented, care must be taken to ensure that units are provided if necessary and the number significant figures is appropriate.
4 Conclusions
The principle message to adopt from this document is that engineering laboratory reports are professional documents and as such should be written with a professional approach. It is important the report is well written, detailed, concise, logical and consistent. The points mentioned are summarized below to act as a check list for lab reports: • Is a title page needed and if so has it got the title of the report, the date and author’s
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name? • Is a contents page, acknowledgements page or list of tables and figures appropriate? • Has an abstract been included as does it summarize the whole paper? Is it too long? • Are all the equations numbered and have all the terms been defined either as the report goes along or in a nomenclature section? • Are all figures and tables numbered and labelled? • Have the reasons for the work that is being described been discussed? • Is the work presented in a real world context? • Are the aims and objectives and any hypothesis clearly stated? • Are all the procedures used in the experiment fully described? • Is each piece of equipment or technique used fully described? • Is there too much data presented to the reader and are the main themes of the report clear? • Are all the experimental observations recorded and explained? • Are all the issues raised in the introduction suitably addressed in the discussion? • Are there any figures for physical properties presented without units? • Is there a conclusions and if so dose it not mention any new information other than suggestion for future work?
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