Building Construction
You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is

King post truss
Mansard truss
Collar truss
Queen post truss

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Building Construction
For constructing a terrazzo floor, Pick up the incorrect statement from the following:

After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
Glass strips are driven into the layer according to the pattern required
A base course is prepared as in cement concrete flooring

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