[单项选择]What’s wrong（）the winch?
A. for
B. with
C. to
D. on

[单项选择]What happens to the pulling power of a winch when retrieving wire rope?（）
A. It increases
B. It decreases
C. It remains the same
D. It fluctuates，depending on the gearing system

[单项选择]What（）wrong with you
A. is
B. are
C. have
D. did

[单项选择] What is wrong with the following code？（）   class MyException extends Exception {}   public class Qb4ab {   public void foo（） {  try {  bar（）；  } finally {  baz（）；   } catch （MyException e） {}  }   public void bar（） throws MyException {   throw new MyException（）；  }   public void baz（） throws RuntimeException {   throw new RuntimeException（）；   }   }  
A. Since the method foo（） does not catch the exception generated by the method baz（）， it must      declare the RuntimeException in its throws clause.
B. A try block cannot be followed by both a catch and a finally block.
C. An empty catch block is not allowed.
D. A catch block cannot follow a finally block.
E. A finally block must always follow one or more catch blocks.

[单项选择]An anchor winch should be equipped with mechanical brakes capable of holding（）.
A. half the breaking strength of the mooring line
B. the full breaking strength of the mooring line
C. the maximum expected tension of the mooring line
D. 50% over the working tension of the mooring line

[单项选择]Winch gears must be maintained in proper alignment to prevent （）.
A. overheating of the lube oil
B. over-speeding of the motor
C. wear on the braking system
D. damage to the teeth

[简答题]What’s PHB？

[单项选择]What’s your port（）registry?
A. on
B. of
C. in
D. to

[单项选择]We had the winch（）last year.
A. to overhaul
B. overhauling
C. overhauled
D. overhaul

[单项选择]When retrieving the survival craft，the winch operator should stop the winch and check（）.
A. that all personnel are seated in the craft
B. that the cable has not jumped any grooves on the drum
C. which way the wind is blowing
D. the hydraulic fluid level before lifting

[单项选择]In the cargo winch, spur reduction gearing transfers the motor drive to （）.
A. the toping light
B. the board brake
C. the fail-safe
D. the barrel shaft

[单项选择]If a hydraulic pump on a winch accidentally stops while hoisting，the load will stay suspended because（）.
A. a check valve will close that prevents reverse circulation
B. a centrifugal counterweight counteracts the force of gravity
C. the electric pump motor will cut out
D. the control lever will move to the stop position

[单项选择]What’s the advantage of oily water separator that meets the requirement of MEPC 60(33) over MEPC 107(49)?（）
A. more economic
B. larger capacity on oil treatment
C. less costive
D. more capable of separating emulsified oil

[单项选择]The limit switches on a ships survival-craft winch system（）.
A. stop the winch just before the craft reaches the final stowage position
B. limit the amount of cable on the drum
C. limit the ascent rate
D. stop the winch in case the craft weighs too much

[单项选择]If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
A. Chain stopper
B. Devil's claw
C. Hawse ratchet
D. Riding pawl

[单项选择]Running an electric winch at slow speed over a long period of time causes（）.
A. the speed to be retarded by the friction brake
B. a load to go downward at full speed
C. the circuit breaker to turn off
D. the resistors to overheat and eventually burn out

[单项选择]（） is not one of the winch controls.
A. a master controller or switchbox
B. a group of relays
C. contactors
D. a solenoid brake

[单项选择]The revolving drum of a winch used to haul lines is called a（）.
A. bull gear
B. gypsyhead
C. spanner
D. wildcat