Agasoline truck engine takes in 10,000 j of heat and delivers 2000 j of mechanical work per cycle. the heat is obtained by burning gasoline with heat of combustion

(a) what is the thermal efficiency of this engine?
(b) how much heat is discarded in each cycle?
(c) if the engine goes through 25 cycles per second, what is its power output in watts? in horsepower?
(d) how much gasoline is burned in each cycle?
(e) how much gasoline is burned per second? per hour?

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

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