Acar engine has a power output of 65 hp. if the fuel consumption rate of the car is 45 lbm/hr and the fuel has a heating value of 19,000 btu/lbm (that is 19,000 btu of energy is released for each lbm of fuel burned), determine the thermal efficiency of the engine. [note: 1hp=2544 btu/hr]

Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k

Asteel wire of 2 mm diameter is fixed between two points located 2 m apart. the tensile force in the wire is 250n, if its density of steel is given by 7830 kg/m3 the fundamental frequency of vibration hz? ?

What is the correct way to measure the overall length of a boat? measure from the tip of the bow to the highest point on the gunwale. measure from the tip of the bow in a straight line to the stern of the boat. measure from the tip of the bow in a straight line to the back seat. measure from port to starboard at the boat's widest point.