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Engineering Thermodynamics

Engineering Thermodynamics
One kg of hydrogen requires 8 kg of oxygen and produces

9 kg of water
1 kg of water
7 kg of water
8 kg of water

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Engineering Thermodynamics
Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant

Pressure
Temperature
Volume
Internal energy

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Engineering Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to

0 kgf/cm²
1 kgf/cm²
1.0197 kgf/cm²
1.033 kgf/cm²

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Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 - (T2/T1)
1 + (T2/T1)
1 - (T1/T2)
(T1/T2) - 1

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Diesel cycle, Otto cycle, Dual cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle

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Engineering Thermodynamics
The fuel mostly used in blast furnace for extracting pig iron from iron ores is

Soft coke
Hard coke
Pulverized coal
Bituminous coal

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MORE MCQ ON Engineering Thermodynamics

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