Boilers: select the statement(s) that are wrong among common classifications Evaluate each claim about locomotive, water-tube, and La-Mont boilers for correctness. Choose the option that best identifies the wrong statement(s).

Check each statement

• (a) Wrong: A locomotive boiler is a fire-tube boiler (shell with tubes carrying hot gases).
• (b) Wrong: Classic water-tube boilers (e.g., Babcock & Wilcox, Stirling) are typically externally fired (separate furnace); some modern designs can be internally fired, but the blanket statement is incorrect.
• (c) Wrong: The La-Mont boiler is a high-pressure, forced-circulation water-tube boiler, not low pressure.

Conclusion
Each listed statement is wrong, so the correct choice is All of the above statements are wrong.