Engineering Sciences
2025 · Paper 1
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Complete GATE XE 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 88–90 of 175. Imported answers require review unless explicitly marked reviewed.
Question 88
Open questionXE-EMCQ1 markNeeds review
A tank is divided into two compartments with one compartment containing a gas at a given pressure, while the second is completely evacuated. If the partition is removed, the gas occupies the entire compartment. Which one of the following statements is CORRECT?
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A cylinder of volume 0.1 m³ is filled with nitrogen at 10 MPa and 300 K. Consider nitrogen to be an ideal gas. The cylinder develops a leak and nitrogen escapes to atmosphere which is at 0.1 MPa. After some time, the pressure in the cylinder reduces to 5 MPa. Assuming the cylinder and the leaked gas temperature remains constant at 300 K, the work done (in MJ) by nitrogen gas is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 90
Open questionXE-EMCQ1 markNeeds review
A closed system undergoes a process 1–2 in which it absorbs 150 kJ of energy as heat and does 90 kJ of work. Then it follows another process 2–3 in which 80 kJ of work is done on it while it rejects 60 kJ as heat. If it is desired to restore the system to the initial state (state 1) by an adiabatic path, the work interaction (in kJ) in this process will be
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