Question

SECTION-C
A
5. The following observations were made during trial of a single
cylinder four stroke cycle gas engine having cylinder
diameter of 18 cm and stroke 24 cm.
(20)
Duration of test 30 min
Total number of revolutions 9000
Total number of explosions = 4450
Net load on the brake = 40 kg
Mean effective pressure = 5 bar
Total gas used at NTP = 2.4 m3
Pressure of gas indicated in meter = 1.36 mm water of gauge
Atmospheric temperature minute 17°C
Calorific value of gas at NTP = 19 MJ/mº at NTP
Total air used
Pressure of air = 720 mm of Hg
Temperature of air 17°C
Specific heat of exhaust gas = 1 kJ/kg K
36 m3​

Answer 1

Answer:

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