Engineering Sciences
GATE XE concept:air-standard-otto-cycle PYQs
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How to practice concept:air-standard-otto-cycle
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.
Question 91
Open questionXE-EMCQ1 markNeeds review
If an ideal air-standard Otto cycle and an ideal air-standard Diesel cycle operate on the same compression ratio, then the relation between the thermal efficiencies (
) of the cycles isYour answerChoose one option.
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Open questionXE-ENAT2 marksNeeds review
Consider a spark ignition engine which operates on an ideal air-standard Otto cycle. It uses a fuel which produces 44 MJ/kg of heat in the engine. If the engine requires 40 mg of fuel to produce 1 kJ of work output, then the compression ratio of the Otto cycle is ______ (rounded off to two decimal places).
For the entire cycle, use
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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 14
Open questionXE-EMCQ2 marksNeeds review
An air standard Otto cycle has compression ratio of 4. The compression ratio of this cycle is changed to 6. If the ratio of specific heats is 1.4, the percentage increase in its thermal efficiency will be
Your answerChoose one option.
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