City Guilds Model Questions Vol1 2024 Engineering Question 49
Practice objective / multiple choice question 49 from the 2024 City Guilds Model Questions Vol1 Engineering examination.
A rectangular metal plate is measured as follows (uncertainties in parentheses):\nLength - ruler: 250.0 mm (±0.5 mm); caliper: 249.8 mm (±0.1 mm).\nWidth - ruler: 150.0 mm (±0.5 mm); caliper: 149.9 mm (±0.1 mm).\nUsing weighted averages based on the given uncertainties, determine the best estimate of the plate's area and the combined standard uncertainty of the area. Express the area in mm² to the nearest whole number and the uncertainty to two significant figures.
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About This Question
This is City Guilds Model Questions Vol1 2024 Engineering Question 49. It is one of the objective questions from the 2024 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Hard .
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