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Engineering Thermodynamics

Engineering Thermodynamics
The specific heat of water is

1.817
None of these
4.187
2.512

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Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Temperature
Internal energy
Entropy
Enthalpy

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Engineering Thermodynamics
In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about

1 × 10⁵ joules
10 × 10⁵ joules
100 × 10⁵ joules
10 × 10⁵ kilo joules

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

11/7
11/4
9/7
7/4

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Molecules
Atoms
Elements
Compounds

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Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

One
Three
Four
Two

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