WorksheetsETO 36 Windlass
Total questions: 10
Worksheet time: 8mins
How does the anchor is dropped for anchoring the vessel?
Due to gravity by releasing the brake
By reversing the pole of motor
By changing the position of directional control valve to reverse flow of hydraulic oil
all are wrong
Among the following, which is used to handle the anchor?
Windlass
Mooring winch
Both
Hydraulic motor can operate at very low speeds even at ___ rpm, there by building a very high torque
10000-20000
1000-2000
500-600
5-10
The lower speed gives ____.
less torque
more toque
more torque
all are correct
In 4/3 bi-directional control valve, how many ports are present?
2
3
4
8
As per class rules _____ has also to be included for safety, since electrical safety cut outs are time based in case of electrically operated windlass.
over frequency electrical trip
underload slip clutch
overload electrical trip
an over load slip clutch
____ windlass and mooring winch has its own limitations and are used only on small ships.
Hydraulically operated
Electrically operated
Oil operated
All are correct
Hydraulic motor converts ___ energy into ___ energy.
mechanical, hydraulic
mechanical, electric
hydraulic, mechanical
electric, hydraulic
In 5/3 bi-directional control valve, how many spool positions are possible?
5
3
2
10
An expansion tank located on the forecastle deck to give a good ___ to the oil to flow in the hydraulically operated windlass.
head
heat
temperature
pause
