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 for cracks

[单选题]A wobbling tail shaft is an indication of（）.A . shallow waterB . an engine that is misfiringC . a tight tail shaft glandD . worn stern bearing or misalignment

[单选题]The oil is drawn from a drain tank through （）, one of a pair of pumps, into one of fine filters.A . a strain tankB . a head tankC . a service tankD . a strainer

[单选题]What conclusion can be drawn from this passage?A.The more a person cheats,

[单选题]What can be drawn from Villasenor′ s experience?A.Some editors of mainstrea

[单选题]If the distribution of the population from which the samples are drawn is p

[单选题]When the order （） is received from the bridge, the main air stop valve in the starting air line should be shut.A . stand-by engineB . full aheadC . finished with engineD . full away

[单选题]Independent samples drawn from normally distributed populations exhibit the

[单选题]If the distribution of the population from which samples of size n are draw

[单选题]Independent samples drawn from normally distributed populations exhibit the

[单选题]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and _____.A．slightly acidicB．slightly alkalineC．no saltyD．slightly bitter