Focus on Expansion Joints Question Title * 1. True or false: Rubber expansion joints are installed in piping and rotating machinery systems to help mitigate the effects of fluid-borne noise, thermal shock, vibration and other movements. True False OK Question Title * 2. True or false: Rubber expansion joints cannot be used in applications that involve heavy solids. True False OK Question Title * 3. Which of the following can cause wear or failure of rubber expansion joints? Extremely high temperatures Improper installation Operating pumps away from the best efficiency point (BEP) All of the above OK Question Title * 4. True or False: Rubber expansion joints can be manufactured from different elastomers. True False OK Question Title * 5. Which of the following parameters should be considered when selecting rubber expansion joints? Operating temperature Operating pressure Viscosity of pumped fluid Solids content in fluid All of the above OK Question Title * 6. True or false: Insulation should be placed on top of rubber expansion joints. True False OK Question Title * 7. If the pressure is below 250 psi, which type of material works best for an expansion joint? Metal Rubber Both are the same Neither OK NEXT
