Chapter 5 Flashcards
Pressure Safety valve maintenance and operation can be found in the:
A) B 51
B) ASME SECTION 1 PG 27.1
C) ANSI SECTION 1
D) ASME SECTION 1 PG 71
D
On a boiler PSV there can be:
A) No check valves between the boiler and the PSV
B) No valves of any kind between the boiler and the PSV
C) No spacers between the boiler and the PSV
D) One block valve between the boiler and the PSV
B
Boiler PSV must be installed in a:
A) Downward position
B) Special chamber
C) Horizontal position
D) Upright position
D
The lip on the seat of a boiler safety valve:
A) Deceases the popping pressure
B) Increases the popping pressure
C) Ensures the PSV will reset below the popping pressure
D) Slows down the popping speed
C
The ASME SECTION 1 states that the capacity for any pressure relief valve cannot allow the pressure in the boiler to rise more than:
A) 3% above the highest pressure any valve is set
B) 10% above the highest pressure any valve is set
C) 6% above the highest pressure any valve is set
D) 1% above the highest pressure any valve is set
C
Boiler pressure gages must be graduated in no case to less that of or equal to:
A) The set pressure of the boiler safety valve
B) 1.25 times set pressure of the boiler safety valve
C) 1.5 times set pressure of the boiler safety valve
D) 2 times set pressure of the boiler safety valve
C
Boiler pressure gages shall contain a:
A) Test lever
B) Support ring
C) Siphon/pigtail
D) Blowdown connection
C
The lowest visible water level in boiler gage glass shall be at least:
A) 100mm above the lowest permissible water level
B) 25mm above the lowest permissible water level
C) 75mm above the lowest permissible water level
D) 50 mm above the lowest permissible water level
D
Gage glasses often have quick shut off so they can be:
A) Opened quickly
B) Connected to boiler
C) Closed from a safe distance
D) Connected to the water column
C
Steam boilers that are not continuously attended to by a certified operator shall be equipped with:
A) High and low water cut off
B) At least two low water cutoffs
C) A low water cutoff
D) High water cutoff
B
