When the blowdown line has two seatless slow opening valves, what is the sequence in opening them?

When the blowdown line has two seatless slow opening valves, what is the sequence in opening them?

A. Valve closest to boiler open first, and closed last
B. Valve furthest from the boiler open first, and closed last
C. Valve furthest from the boiler open first, and closed first
D. Valve closest to boiler open first, and closed first





Answer: B

Which code specifies the type of valves that can be used for particular boilers?

Which code specifies the type of valves that can be used for particular boilers?

A. CSA code B52
B. CSA code B51
C. ASME VII
D. ASME I
E. ASME B31.1

Answer: E

Which code specifies the materials, pressure ratings and required sizes for blowdown piping?

Which code specifies the materials, pressure ratings and required sizes for blowdown piping?

A. CSA code B52
B. CSA code B51
C. ASME VII
D. ASME I
E. ASME B31.1




Answer: E

Blow-off piping must be made to expand and contract during temperature changes. If not it could cause?

Blow-off piping must be made to expand and contract during temperature changes. If not it could cause?

A. The boiler to explode
B. Cause stress on boiler parts
C. Water hammer
D. All of the above

Answer: B

Which code requires the installation of a blow-off vessel or other suitable registered device for all boilers operating above 103kPa, if the vessel discharges into the sewer system?

Which code requires the installation of a blow-off vessel or other suitable registered device for all boilers operating above 103kPa, if the vessel discharges into the sewer system?

A. CSA code B52
B. CSA code B51
C. ASME VII
D. ASME I
E. ASME B31.1





Answer: B

The greatest concentration of undissolved solids in a package watertube boiler is at __ and for firetube boilers is at __

The greatest concentration of undissolved solids in a package watertube boiler is at __ and for firetube boilers is at __

A. Water level, mud drum
B. Boiler shell, water level
C. Mud drum, boiler shell
D. Mud drum, water level
E. Water level, boiler shell





Answer: C