Afour-wheel motorcycle (quad) has a 4-stroke cylindrical mono engine, with dimensions of d = 100 mm, l = 64 mm and a combustion chamber volume of 54.2 cm. from a test, the maximum torque 53.9 n. m at 5250 rpm is obtained and the maximum power 34.2 kw at 6800 rpm. it asks: a) calculate the engine displacement and its compression ratio. b) calculate the torque for maximum power. c) if the transmission has losses of 15%, what power is transmitted to the wheels when the engine is running at the maximum torque.

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.