One horsepower equals_____________?
A) 1000 watts B) 746 watts C) 100 watts D) 940 watts E)786 watts
A) 1000 watts B) 746 watts C) 100 watts D) 940 watts E)786 watts
A) Naval ships B) Cargo ships C) Service ships D) Passenger ships E)Fishing vessels
A) Relief valve B) Stop valve C) Throttling valve D) Check valve E)Return valve
A) Apeak B) Sheer C) Down D) Vertical E)Upright
A) 2-5-6-4-3-1 B) 2-5-6-4-1-3 C) 2-6-5-4-3-1 D) 5-2-4-6-3-1 E)5-2-6-4-1-3
A) The sum of two pressures B) Either pressure or vacuum C) The difference between two pressures D) Two different pressures simultaneously E)Two different temperatures simultaneously
A) Air pressure B) Steam pressure C) Oil pressure D) Water pressure E)Oil temperature
A) Perfect lubrication B) Reduced heat conductivity C) Increased heat conductivity D) Destruction of lubricating oil film E)All the above
A) The pressure of air is 20 – 30 bar. B) The reciever must store enough air for twelve engine starts. C) The pressure inside is controlled by a pressure gauge. D) The air recievers are self-cleaning devices. E)Drain valves…
A) Prevent heat corrosion to internal components B) Increase fuel delivery rate and economy C) Prevent preignition D) Avoid carbonization of the nozzle tips E)None of the above