50 Pts) A factory has the following loads connected to its 480 V, 60 Hz line: • A large induction motor uses 147.3 KW of power at power factor of 0.773 lagging. • A 62 KVAR capacitor • A lighting load of 21 kW. Draw a power triangle for each device. Draw a power triangle for the entire factory. Calculate the current flow in the power line feeding the factory. Show your calculations of P, Q and S.

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

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux