Calculate the diameter of the fuel orifice of a four stroke engine which develops 25 kw per cylinder at 2500 rpm. the specific fuel consumption is 0.3 kg/kwh. the fuel is injected at a pressure of 150 bar. the pressure in the combustion chamber is 40 bar. coefficient of velocity is 0.875 and specific gravity is 0.85. the duration of fuel injection is 2 x 10^-3 s. explain in detail

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options