NFPA 99 final Exam questions and verified answer; 100% correct; update.docx

NFPA 99 FINAL EXAM QUESTIONS AND VERIFIED
ANSWER; 100% CORRECT; 2026- 2025 UPDATE



A variant on the cryogenic liquid container manifold shall be permitted
to have the headers. Such a variant shall have a minimum of _____
connections required for each of the primary and secondary headers.



A. An average days supply

B. 4

C. 2

D. 3 - correct answer- C. 2 5.1.3.5.10.4 pg. 32



All pressure relief valves shall be made of brass, bronze, or _____.



A. Carbon steel

B. Stainless steel

C. Copper

D. Cast iron - correct answer- B. Stainless steel 5.1.3.5.6.1 (1) pg 31



Category 1 systems shall be permitted to serve spaces identified as?



A. Category 1

B. Category 2

, C. Category 3

D. All of the above - correct answer- D. All of the above



Cylinders in use and in storage shall be prevented from reaching
temperatures in excess of _____.



A. 160

B. 190

C. 125

D. 100 - correct answer- C. 125



Final line pressure regulators, when used for bulk cryogenic liquid
systems shall be of a _____ design.



A. Straight through

B. Parallel

C. Balanced

D. None of the above - correct answer- C. Balanced



In central supply systems using gas or liquid cylinders, each header shall
have a _____ to prevent debris from entering the manifold controls.



A. Check valve