1. What colour is ABS solvent cement? a. Grey b. Green c. White d. Yellow 2. What colour is primer for solvent welded PVC pipe? a. Purple b. Grey c. Yellow d. Green 3. ABS PIPE was developed in what Country? a. U.S.A. b. England c. Canada d. Japan 4. For cutting cast iron pipe, the primary cutter to use is... a. Tube cutters b. Hacksaw c. Soil pipe cutters d. Chisel

Discusse Fibre Reinforced Concrete (FRC) used in Costal marine construction

This equipment is typically used in cement manufacture and is essentially a long continuous rotating tube heated to high temperatures.   a. Rotary kiln   b. Blast furnace   c. Shell and tube heat exchanger   d. Smelter

Give small explanation also.

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1. Tungston carbide drill bits can drill through concrete  A.Should tungsten or tungsten carbide be used for drill bits? B. Use greater than, less than, or equal signs to indicate whether tungsten metal or tungsten carbide is going to be superior for each of the following properties: Melting point                                 Tungsten           Tungsten carbideCorrosion resistance                    Tungsten      Tungsten carbideUltimate compressive strength  Tungsten        Tungsten carbideModulus of elasticity                   Tungsten          Tungsten carbideElectrical conductivity                Tungsten         Tungsten carbideDuctility                                      Tungsten            Tungsten carbideYield stress                                Tungsten        Tungsten carbide

15 kip Specific Weight y Elasticity E Rigidity G (Ib/in") Modulus of Modulus of Yield Strength (ksi) Materials (10) ksi (10) ksi Tens. Comp. Shear A - Structural A36 - Stainless 304 - Tool L2 0.284 29.0 11.0 36 36 Steel 0.284 28.0 11.0 30 30 Alloys 0.295 29.0 11.0 102 102 2 ft 4 kip 4 kip The A-36 steel bar shown in the figure is made from two segment shaving cros OSS- B sectional areas of AAB-lin^2 and ABD=2in^2. Determine the vertical displacement of end A and the displacement of B relative to C. 1.5 ft 8 kip 8 kip| C 1 ft D

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9. During the operation of an extruder in making thin-walled tubing several defects have been encountered that appear to be small globules of resin. Investigation of these globules reveals that they will soften but not melt when heated. Explain what these globules might be and suggest two possible remedies for eliminating them.

Lla 3 The black color in bricks results due to alumina O magnesia O iron oxide O gravel O