【Utilities – Mechanical & Electrical Edition】20181027

2018-10-27View Original

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Before constructing a furnace with an inverted arch shape at its bottom, the method for determining the correct surface for building the arc-shaped arch base is (). A. Use a template to find the correct position. B. Use processed bricks to determine the correct position. C. Measure the elevation of the arc-shaped bottom. D. Set a reference line. 【Answer】A 【Explanation】Key points of the construction technique for laying refractory bricks. Before laying the furnace bottom, the foundation should be leveled in advance. If necessary, the bottom layer should be leveled using bricks. Before constructing the bottom of the inverted arch, a template should be used to determine the correct base surface for building the arcuate arch ； The sloped furnace bottom should be laid out and built in a structured manner

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【Utilities – Mechanical & Electrical Edition】20181027

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