239. The petrol engine works on

By Admin / September 13, 2025

Otto cycle

Carnot cycle

Diesel cycle

Rankine cycle

✅ The correct answer is option A.

17076. The strength of the shaft is judged by the torque transmitted by the shaft.

17082. The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)

1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm².

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2. Transformer cores are normally made from

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