Test # 18
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1450 questions in 145 tests. Each test contains 10 questions.
Idiom of the Day
pull (something) to pieces
to find serious fault with something, to criticize something very severely
The politician tried hard to pull the proposal to pieces.
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Precautions while using Microwaves
Are there any standards that apply to microwave ovens
Health Canada established the Radiation Emitting Devices Regulations, under the Radiation Emitting Devices Act in order to govern the design, construction and function of microwave ovens that are sold, leased or imported into Canada. Information about measuring equipment for microwave oven leakage can be obtained from the suppliers and manufacturers of such instruments. The Radiation Emitting Devices Regulation requires that the measuring instrument must be capable of measuring a power density of 1.0 mW/cm2 with an accuracy of