An automobile tire has a volume 81.900 cm^3 and contains air and a gauge pressure of 2.07x 10^5n/m^2 when the temperature is 0°c. what is the gauge pressure when the temperature rises to 30 °c

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