An air conditioning system operates with an evaporator temperature of 10 °c and a condenser temperature of 50c, whereas a cold store system operates with-20 °c and 50°c respectively. for both cases determine the cop

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