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Q1. The following data apply to a ship travelling at 17 knots:

Propeller speed 1.85 rev/s

Propeller pitch ratio 0.95

Real slip ratio 0.34

Taylor wake fraction 0.30

Torque delivered to the propeller 480 kNm

Propeller thrust 640 kN

Quasi-propulsive coefficient (QPC) 0.71

Transmission losses 3%

Fuel consumption per day 28 tonne

Determine EACH of the following:

(a) The apparent slip ratio;

(b) The propeller diameter;

(c) The propeller efficiency;

(d) The thrust deduction fraction;

(e) SFC