Notes: Please make sure to include your name. If using a pencil, then scan or take a photo; please make sure that it is dark enough. If you use a digital camera, please ensure that the paper is square with the camera image, the lighting is correct, the shadow of your hands does not obscure theimage. For the questions that require calculations, please show your calculations not just fi According to ASTM Standards, mortar is classified as types: $M,S,N,O$ and $K.$ Which type is recommended for general use with medium strength? Mortar type $"S"$ is best suited for what work conditions? The picture to the right shows steel reinforcing bars known as "rebars". If a bar is designated as #$9,$ what is its nominal diameter in inches? According to CSI classifications, which division includes concrete? Which of the following material fall under CSI division #$9?$ A$.$ Furnishings. B$.$ High gloss paint. C$.$ Polished chrome accessories. D$.$ None of the above. For insulation materials, what does the $R$ value indicate? Which of the following is not included in a concrete mixture? A$.$ Water. B$.$ Aggregates. C$.$ Accelerated epoxy. D$.$ Sand. Generally, how many hours does it take for most concrete mixtures to set?