Boiler Start Up & Shutdown

The purpose of an internal boiler inspection is to ensure that the boiler is filled with scale, oil , debris and other foreign materials.

With respect to the start up preparation of a boiler, which of the following is not typically checked?

When new refractory has been installed in a boiler, the furnace has to be 'boiled out' before raising the furnace to normal operating conditions.

Which of the following is NOT an area of major attention when starting up a boiler?

Which is the correct sequence of steps with respect to boiler ignition?

After ignition and during the warm up of a boiler, the firing rate is usually increased on automatic mode.

Steam headers must be warmed up properly to prevent thermal stress and to produce condensate.

Which of the following is NOT a typical chemical used in 'boil out'?

In a long term shutdown of a boiler, a boiler is usually shutdown for a period beyond 14 days.

In a dry layup, all the water from the boiler must be drained, boiler must be washed and flushed to remove all sludge from the water side and the water side of unit must be completely dry.