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38.SSC JE (ME)II Thermodynamics Boster Quiz-6
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Question 1
A reversible thermodynamic cycle containing only three processes and producing work is to be constructed. The constraints are
1) there must be one isothermal process
2) there must be two isentropic process
3) maximum and minimum cycle pressures and the clearance volume are fixed, and
4) polytropic processes are not followed
then,
the number of possible cycles is
1) there must be one isothermal process
2) there must be two isentropic process
3) maximum and minimum cycle pressures and the clearance volume are fixed, and
4) polytropic processes are not followed
then,
the number of possible cycles is
Question 2
Change in enthalpy in a closed system is equal to the heat transferred, if the reversible process takes place at constant
Question 3
Consider a cyclic process in which different states have heat interaction of 8 KJ, -10 KJ and 5 KJ respectively. The change in internal energy is
Question 4
Which one of the following statements is correct?
Question 5
The enthalpy of saturated water at triple point in a steam table is
Question 6
Which one of the following is extensive property of a thermodynamics system ?
Question 7
In a P-T phase diagram of a pure substance, which of the following lines separates solid and liquid region?
Question 8
Following relationship defines the Gibb’s free energy G
Question 9
In all irreversible process, entropy of the system ________.
Question 10
Which of the following statement is correct regarding Clausius statement of second law of thermodynamics __________.
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