單項(xiàng)選擇題A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?（）

A.The overall condition of the bearing surface should be examined
B.The shaft liner should be inspected for cracks and tested to insure a tight fit
C.The stern tube should be tested for cracks with dye penetrant
D.all of above


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Inspection of a vessel’s propeller during dry-dock should include （）

A.noting the condition of the fairwater
B.inspection of the keyway
C.logging inspection results in the official deck log
D.all of above

2.單項(xiàng)選擇題When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（）

A.The propeller hub taper and shaft keyway should be inspected for cracks or corrosion
B.The stern bearing alignment with the stern frame should be checked
C.The interior of the stern tube should be inspected for leaks
D.The shaft liner should be removed and inspected

3.單項(xiàng)選擇題Which of the listed types of files is the best for producing a fine finish on metal?（）

A.Mill
B.Float
C.Warding
D.Second cut

4.單項(xiàng)選擇題The tool used in precision work to smooth or enlarge a slightly undersized hole, is called（）

A.round out
B.round file
C.reamer
D.hole driller

5.單項(xiàng)選擇題Reheating a hardening component to a temperature lower than the hardening temperature and then cooling it is known as （）

A.low temperature hardening
B.case hardening
C.annealing
D.tempering