Question

The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

a.

Q1 - 2 = dU + W1 - 2

b.

Q1 - 2 = dU - W1 - 2

c.

Q1 - 2 = dU/W1 - 2

d.

Q1 - 2 = dU x W1 - 2

Answer: (a).Q1 - 2 = dU + W1 - 2

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The compression ratio for Diesel engines is

Q. In an isothermal process,

Q. Which of the following is the correct statement of the second law of thermodynamics?

Q. The heating and expanding of a gas is called thermodynamic system.

Q. Liquid fuels have lower efficiency than solid fuels.

Q. Liquid fuels consist of hydrocarbons.

Q. The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

Q. The dual combustion cycle consists of one constant pressure, two constant volume and two isentropic processes.

Q. The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as

Q. The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system.

Q. The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Charles' law.

Q. The fuel mostly used in steam boilers is

Q. The efficiency of Joule cycle is

Q. The efficiency of Diesel cycle depends upon

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

Q. The measurement of a thermodynamic property known as temperature is based on

Q. Kelvin-Planck's law deals with

Q. Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

Q. Liquid fuels have higher calorific value than solid fuels.

Q. The free expansion process is __________ non-flow process.

Recommended Subjects

Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!