ALTER* TEM Quiz 150424 - SG & Boiler

Your Name [Group & Student Number]

Q1. 1 Which of the following is/are true of a boiler system. I Boiler can be used to deliver hot water or steam II Hot water is typically used for domestic and commercial purposes. III Source of heat from a boiler can come from gas, liquid or solid fuels IV For industrial applications, only steam is used for heating.

• I, II, III
• I, II, IV
• I, III, IV
• All of the above are part of a steam generation system

Q2. Which of the following is/are the equipment of a steam generation system. I Turbine II Compressor III Condenser IV Pressure valve V Heat exchanger

• I, III, V
• I, II, III, V
• I, III, IV, V
• All of the above are part of a steam generation system

Q3. A boiler fuel system typically comprise the following items, except

• Preparing the Fuel
• Burning the Fuel
• Conditioning the Fuel
• Supplying the Fuel

Q4. Select the following that is/are not true of fire-tube (FT) Boiler?

• For low to medium pressure applications
• Relatively smaller size
• Operate with only fuel oil and natural gas fuels
• Can be used to produce hot water
• Can be used for superheated steam

Q5. Select all that is NOT true of water-tube (WT) Boiler?

• The boiler tanks are under pressure and prone to explosion
• Typically available in larger sizes
• WT are typically more efficient than FT at start up conditions
• Needs frequent maintenance
• Can be used to generate hot water or steam for heating

Q6. Which of the following is not needed to enable combustion in a boiler?

• Fuel
• Air
• Chemical Reaction
• Flash point
• Turbulence

Q7. Which of the following can be among the key sources of energy outputs from a boiler? I Steam II Blowdown III Flue gas IV Boiler air vent V Condensate

• I, II, III
• I, II, III, IV
• I, II, III, V
• All of the above are boiler’s main heat outputs

Q8. Among the energy outputs, which one is typically the highest source of heat loss?

• Steam
• Blowdown
• Flue Gas
• Boiler air vent
• Condensate

Q9. Which of the following can be sources of energy inputs into a boiler? I Fuel II Combustion air III Condensate IV Boiler feed water V Electricity

• I, II, III
• I, II, III, IV
• I, II, III, V
• All of the above are boiler’s main heat outputs