최신 API-570 무료덤프 - API Piping Inspector

A. 3/23"

B. >TW X 3

C. ³12T

D. £TW / 3

A. pressure, mechanical and structural considerations

B. availability of piping materials

C. previous experience of the owner

D. corrosiveness of the product only

A. leaks

B. pipe wall thinness

C. pipe wall thickness

D. pipe coating condition

A. Class 3

B. Class 2

C. Owner/user designated system

D. Class 1

A. A device taped to the pipe that will record temperature variations

B. A vibration device that generates heat through friction producing a stress relieved weldment

C. A flammable material that, when ignited, will create enough heat to stress relieve piping

D. A device used to check the heat treatment temperature, usually connected by capacitor discharge welding

A. 50 feet beyond the first change

B. 25 feet beyond the first change

C. No downstream requirement

D. 100 feet, if the pipe is straight run

A. the joint has straight threads only

B. the joint has tapered threads only

C. all exposed threads are covered

D. the joint is leaking

A. in-service cracks

B. material cracks

C. HAZ cracks

D. delayed cracks

A. slide

B. plug

C. globe

D. swing check

A. 1 1/2 times the MAWP

B. 1 1/4 times the MAWP

C. 10% greater than MAWP

D. Actual MAWP