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General Piping Design


Quiz Questions

1. The strength of a material is defined using the following properties- modulus of elasticity, yield strength, and ultimate tensile strength.
True
False
2. The ________________ of elasticity is the ratio of normal stress to the corresponding strain for either tensile or compressive stresses.
Modulus
Strength
3. Elasticity is commonly measured by either the elongation in a given length or by the reduction in cross-sectional area when subjected to an applied load.
True
False
4. The toughness of a material is dependent upon both strength and ductility.
True
False
5. The sizing for any piping system consists of two basic components:- fluid flow design and pressure integrity design.
True
False
6. Fluid flow design determines the maximum acceptable radius of the piping necessary to transfer the fluid efficiently.
True
False
7. The primary elements in determining the minimum acceptable diameter of any pipe network are system design flow rates and pressure drops.
True
False
8. _______________ is caused by friction between the pipe wall and the fluid and by minor losses such as flow obstructions, changes in direction, changes in flow area, etc.
Pressure drop
Head loss
Either of the two
Neither of the two
9. Table3-1 represents _________________________.
Pipe Material Roughness Coefficients
Estimated Pressure Drop for Thermoplastic Lined Fittings and Valves
10. The stress analysis for sustained loads includes pressure stresses, external pressure stresses and longitudinal stresses.
True
False
11. The product of the longitudinal stresses due to both sustained and occasional loads does not exceed 1.33 times the basic allowable stress at maximum material temperature.
True
False
12. Fatigue resistance is the ability to resist crack initiation and expansion under repeated cyclic loading.
True
False
13. Piping systems are normally subject to high cycle fatigue, where applied loading cycles rarely exceed 105.
True
False
14. Gaskets may be composed of either metallic or nonmetallic materials.
True
False
15. The fluid used for a typical hydrostatic leak test is __________________________.
Water
Hydrogen Peroxide
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