In some arts, AV technalogy, and communication careers, workers participate in apprenticeships. Why are apprenticeships useful? O They allow experienced workers to learn new skills. They allow experienced workers to stay home from work. They allow new workers to get job experience. They allow new workers to have paid benefits

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