Steam Power Plant

Which of the following factors does bursting pressure of boiler doesn't depend

• Tensile strength of the shell

• Thickness of the shell

• Diameter of the shell

• Shear strength of shell material

Which of the following factors does working pressure of boiler doesn't depend

• Tensile strength of shell

• Thickness of shell

• Factor of safety

• Type of fuel being fired

Total solid impurities in feed water for a boiler depend upon

• boiler pressure

• quantity of steam to be generated

• type of fuel available

• quantity of steam

A high pressure chamber or a device in which the paths of rapidly moving particles can be observed in photographed

• Cloud chamber

• Combustion chamber

• Fission chamber

• Air chamber

The formation of gas bubbles in a liquid is called

• bubbling

• foaming

• priming

• carryover

How many check valves should be provided between any feed pump and boiler

• 1

• 2

• 3

• 4

The water level inside the boiler is indicated by the

• baffles

• fusible plug

• water walls

• water column

What is the highest pressure under which distinguishable liquid in vapor phases can exist in equilibrium?

• Maximum pressure

• Atmosphere

• Critical pressure

• Peak pressure

What is the average fuel - oil temperature range of the oil in the discharge line to the boiler?

• 180 - 200°F

• 240 - 260 °F

• 160 - 180 °F

• 140 - 160 °F

The lowest permissible water level of a boiler without internal furnace is ___ the height of the shell.

• 1/2

• 1/3

• 1/4

• 1/5