An effective braking system for windlasses on rigs in deep water is a(n)().
A、larger chain stopper
B、disc backstopping brake
C、hydraulic clutch
D、electrical regenerative braking system
A、larger chain stopper
B、disc backstopping brake
C、hydraulic clutch
D、electrical regenerative braking system
A、Increased turbulence B、increased mechanical efficiency C、Increased brake mean effective pressure D、All of the above
A、A.higher torque but lower brake horsepower B、B.lower torque but higher brake horsepower C、C.higher torque and lower brake horsepower D、D.lower torque and higher brake horsepower
A、Electrical loading B、Mechanical distribution C、Compressibility of air D、Mechanical friction