He engine in Problem 3.8 produces 57kW of brake power at 2000 RPM. Calculate:

(a) Torque. [N-M]

(b) Mechanical efficiency. [%]

(c) Break mean effective pressure. [kPa]

(d) Break specific fuel consumption. [gm/kW-hr]

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.

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

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.