40. Which is one of major components of a steam turbine power plant generally working at a
vacuum pressure in order to gain a greater efficiency?
(A) Condenser
(B) Steam drum baffles
(C) Steam blanket
(D) Vacuumed distillation plant
5. Certain watch keeping duties are necessary for the continuous operation of equipment or
plan such as the ________.
(A) purifying oil
(B) transferring oil
(C) supplying fuel from rank to engine
(D) heating heavy oil