Deck Machinery Flashcards
Electric brakes used on shipboard should be able to stop and hold ______% of rated load when lowering at rated speed and ______% static pull of rated load without creep age.
150% and 200%
Where is the windlass brake located?
On the electric motor shaft below the deck.
How far by elevator travel when carrying 150% of its rated load after you hit the stop button.
3 feet
How many feet does the ammo hoist stop at from the bottom?
4 to 5 feet
Which type of winch has a head that requires several turns of line to be taken on to prevent slippage when the load is snaked or being hoisted?
Gypsy head
Winches are rated to haul in/out ____% of rated load at no specific speed?
150%
When inspecting a motor brake assembly, what are 4 things you want to look for?
- Grease leaking from the motor bearing
- Excessive brake wear
- Tightness of fasteners
- Cleanliness of brake surfaces
An _____ capstan control provides full and half speed. It also provides 2 forward and 2 reverse controls.
AC
Damage by _______ is one of the major causes of component casualties on deck machinery.
Water
Electric brakes on winches are ______ set and _______ released?
Mechanically
Electrically