Chapter 4 Flashcards
ASME Section 31.1 covers _____ _____, exceeding ___ psi or ____ °F
Power piping ; 15 psi; 250 °F
ASME Section 31.3 covers ____ _____ in the design of chemical plants, petroleum plants, and refineries
Process piping
B31 code covers all piping in how many sections?
12
Welding and brazing is covered in what section of ASME code
9
Name two ways to allow thermal expansion in a piping run?
Expansion loops and expansion joints
Which one is better for large bore piping?
Expansion joint
What is the most common practice to avoid undue stress when piping from a tee or riser to and HTU?
Three elbow swing
Is it okay to reduce line size at the boiler connection if the pipe your foreman ordered is not as big as the connection?
False
An equalizing line connects the steam header to what line on the boiler?
Feed water return
By doing this, it equalizes the pressure between two and prevents what?
Prevents the boiler water from flowing out of the boiler through the lower return
Piping ran from the steam header on parallel flow systems should slope ____ from the boiler
Away
Is it okay when installing steam piping to run into a bullhead of a tee
False