Which is not a reason for taking on ballast?
A) reducing the draft B) preventing the propeller from slipping C) providing a better stability for ship D) better distribution of weight throughout the vessel E)reducing the freeboard
A) reducing the draft B) preventing the propeller from slipping C) providing a better stability for ship D) better distribution of weight throughout the vessel E)reducing the freeboard
A) Temperature differential between the steam and feedwater B) Density of the feedwater C) Speed of the main feed pump D) pH of the feedwater E)NULL
A) rotary B) axial C) bending D) fluctuating E)reciprocating
A) reducing the temperature of steam above the saturation point. B) using exhaust gases to heat the steam and improve the efficiency of boiler C) maintaining the water level in the system D) accelerating the rate of combustion E)removing moisture…
A) Boilers produce steam for machinery B) Boilers are used for main propulsion plant C) Boilers can be classified as fire tube and water tube D) Boilers can be found on all motor vessels E)Boiler feedwater is circulated by a…
A) Pyrometer B) Thermometer C) Hygrometer D) Hydrometer E)Oxygen meter
A) Piston is generally cooled with seawater B) Piston moves axially C) Piston is connected to the connecting rod by piston pin D) Piston is only made of steel E)Diesel engines use only trunk type pistons
A) Black out procedures B) Changing the generator with a new one , selling the old one in the market C) Load – sharing system D) A+C E)A+B
A) would have been B) had been C) been D) having been E)be
A) the maintenance of main engine B) the safety of engine room C) he maintenance of deck machinery D) haring the duties of engine room personel E)all