Black Seal Test High Pressure Preparation Version 2 Newest With Complete Questions And Correct Detailed Answers| Brand New Version!

Black Seal Test High Pressure Preparation Version 2
Newest With Complete Questions And Correct
Detailed Answers| Brand New Version!



What test is performed on re-tubed (repaired) boiler and what is the
water temp.?


ANSWERS: Hydrostatic test at 70F


T/F: The amount of draft is not affected by the height of the stack.


ANSWERS: False


Under what ASME section is the care and operation of heating boilers?


ANSWERS: Section VI (6)


A aquastat is sensitive to changes in:


ANSWERS: Water temperature


The expansion tank in a hot water system allows for the expansion of:


ANSWERS: Water

,Who can adjust a safety valve?


ANSWERS: Manufacturer Representative


As the water in a hot water system expands:


ANSWERS: The pressure remains constant


A modulating pressuretrol controls:


ANSWERS: The boiler's high and low fire


The pressuretrol:


ANSWERS: Turns the boiler on and off


A modulating pressure control is sensitive to:


ANSWERS: Pressure


A vaporstat is sensitive to:


ANSWERS: Gas Pressure


The low water fuel cut-off should be blown down:


ANSWERS: Daily

,When the vaporstat starts operating, it activates the:


ANSWERS: Fuel line solenoid valve


A low water fuel cutoff:


ANSWERS: Shuts off the fuel supply


If a baffle breaks, what happens?


ANSWERS: Increase of furnace gases & stack temperature


Natural draft is produced by:


ANSWERS: Difference in temperature outside chimney from inside chimney


When would a high suction line be used in a fuel tank?


ANSWERS: When there is sludge or water in the tank


If a draft fan is located between the boiler and chimney, what type of
draft system is it?


ANSWERS: Induced Draft


Smoke indicators are important because:


ANSWERS: Operator cannot view smoking conditions

, The main purpose of testing a safety valve is to:


ANSWERS: Make sure valve operates freely


When is the most positive way of checking the water level in a boiler?


ANSWERS: Try cocks


When testing a safety valve by hand, you must:


ANSWERS: Have at least 75% of popping pressure


What prevents a furnace explosion?


ANSWERS: The purge cycle


What is the most important rule in operating boilers?


ANSWERS: Keep water at proper level


Ignition failure would cause activation of the:


ANSWERS: Purge Cycle


What is the capacity of a safety valve measured in?


ANSWERS: Lbs. of Steam/Hr