Each propeller of the twin-screw ship develops a full-speed thrust of F = 340 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 44 m, b = 113 m, c = 16 m.
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- Each propeller of the twin-screw ship develops a full-speed thrust of F= 290 KN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 59 m, b=116 m.c=18 m. D÷ Answer: P = KN HlutaEach propeller of the twin-screw ship develops a full-speed thrust of F = 330 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 55 m, b = 133 m, c = 18 m. Answer: P = J KN F FEach propeller of the twin-screw ship develops a full-speed thrust of F = 245 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 49 m, b = 133 m, c = 18 m. Answer: P = i D÷ KN
- Each propeller of the twin-screw ship develops a full-speed thrust of F= 395 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers? Assume a = 47 m, b = 118 m, C= 14 m.5. Each propeller of the twin screw ship develops a full speed thrust of 300 KN. In manoeuvring the ship, one propeller is turming full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the turning effect of the ship's propellers? - 50 m- 12 n F 120 mEach propeller of the twin-screw ship develops a full-speed thrust of F = 395 kN. In maneuvering the ship, one propeller is turning full speed ahead and the other full speed in reverse. What thrust P must each tug exert on the ship to counteract the effect of the ship's propellers?
- A torque T = 0.30 N-m is applied to a bevel gear B. Bevel gear D meshes with gear B and drives pump A. Gear B has a radius of gyration of 150 mm and a weight of 50 N, whereas gear D and the im- peller of pump A have a combined radius of gy- ration of 50 mm and a weight of 100 N. Find how many revolutions of gear B are needed to get the pump up to 200 rpm from rest. What is the power output of the pump at this speed if it is 90% efficient.If the speed of the shaft, as shown in Figure 1 below, is 220 rev/min, calculate the magnitudes and orientations of the bearing reactions at A and B for the two-mass system. Given a = b = 250 mm, c = 50 mm, R1 = 60 mm, R2 = 40 mm, m1 = 2 kg, and m2 = 1.5 kg.Find the effect of gyroscopic couple acting on the body of the aeroplane for the following conditions: 1-PROPELLER rotates in ANTICLOCKWISE direction when seen from front end and Aeroplane turns towards LEFT. 2- PROPELLER rotates in ANTICLOCKWISE direction when seen from front end and Aeroplane turns towards RIGHT. 3- PROPELLER rotates in ANTICLOCKWISE direction when seen from rear end and Aeroplane turns towards LEFT. 4- PROPELLER rotates in ANTICLOCKWISE direction when seen from rear end and Aeroplane turns towards RIGHT.
- The turning-moment diagram for an engine consists of two isosceles triangles each with a height equivalent to a torque of 16kNm. The bases of the triangles lie between ? = 0 ? and ? = 180? , and ? = 180? and ? = 360? Sketch the turning-moment diagram and add the mean torque line. If the engine is to rotate with a mean speed of 130 rpm, calculate the following: the power developed the mass of the flywheel having a radius of gyration 1.1m to restrict the fluctuation of speed to +1.5% of the mean speed. Demonstrate which would be most effective to reduce the fluctuation of speed, a change in diameter of or a change in mass of the flywheel.A single-cylinder reciprocating engine has a reciprocating mass of 6 kg. the crank rotates at 60 rpm and the stroke is 32 mm the mass of the revolving parts at 16 mm radius is 4 kg, if two-thirds of the reciprocating parts and the whole of the revolving parts are to be balanced. Determine the balance mass required at a radius of 35 mm and unbalanced force when the crank has turned 50° from the TDC. d luokYour answer is partially correct. An oil tanker moves away from its docked position under the action of reverse thrust from screw A, forward thrust from screw B, and side thrust from the bow thruster C. Determine the equivalent force-couple system at the mass center G. 7 m 47 kN L A 47 k 7 m 7 m Answers: R = ( -7 MG = ( 0 Z 47 m 6 m C 7 kN i+ + 0 0 k) KN i+ 42 j+ i 1034 k) kN·m