El modelo de un barco de escala se va a construir en un laboratorio.

a) Determinar la velocidad a la que debe moverse el si el tiene una velocidad de

b) Determinar la fuerza de resistencia al movimiento que se producirá en el si en el

se miden

c) Calcular la potencia que debe proporcionarse a la flecha de la hélice, si la eficiencia de la misma es

del . Determinar en

datos:

1:50; a) modelo, prototipo, 19.9 yd/s; b) modelo, prototipo, 21846 kg; c) 77 %, CV

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.