Every candidate shall have knowledge of the operation and maintenance of main and auxiliary machinery, which shall include knowledge of relevant regulatory requirements and also knowledge of at least the following specific items: ... (b) Main and auxiliary machinery (i) assisting in the preparation of main machinery and preparation of auxiliary machinery for operation; (ii) operation of steam boilers, including combustion system; (iii) methods of checking water level in steam boilers and action necessary if water level is abnormal; (iv) location of common faults of machinery and plant in engine and boiler rooms and action necessary to prevent damage.
