When is the proper time to attach the counterweight to the crane?

( T or F ) There are 3 classifications for Riggers and training is required for all of them.

( T or F ) Before using an air operated tugger, the air line should be blown out to remove excess moisture.

Determine if this statement is true or false. All lifts require some type of lift plan.

With two shackles or sling eyes in a hook, what is the suggested maximum included lifting angle?

Two closed fists with both thumbs pointing toward each other is the signal for:

What is the suggested minimum overlap of seams when laying or fitting floor plates?

De acuerdo con el planteamiento del problema anterior, obtenga la expresión para el Controlar Proporcional – integral-derivativo

De acuerdo con el ejercicio anterior, obtener los polos en lazo cerrado para cada caso anterior.

Obtenga la respuesta del sistema cuando utiliza el controlador PID obtenido en el ejercicio n°2, al cual se le aplica una entrada escalón de 1V.