English
Hindi

Question

Download Solution PDF

The ordinate and abscissa of the diagram to depict the isobaric processes of an ideal gas as a hyperbola are, respectively

This question was previously asked in
ESE Mechanical 2018 Official Paper
Download PDF Attempt in App
View all UPSC IES Papers >
  1. temperature and entropy
  2. Internal energy and volume
  3. temperature and density
  4. enthalpy and entropy

Answer (Detailed Solution Below)

Option 3 : temperature and density
Free Tests
View all Free tests >
Free
ST 1: UPSC ESE (IES) Civil - Building Materials
20 Qs. 40 Marks 24 Mins
Start Now

Detailed Solution

Download Solution PDF

Concept:

The ideal gas equation is given by

PV = mRT

P = ρRT 

For isobaric process

P1 = P2

∴ ρT = Constant, which is the equation for rectangular hyperbola. 

Download Solution PDF
Latest UPSC IES Updates

Last updated on Jun 23, 2025

-> UPSC ESE result 2025 has been released. Candidates can download the ESE prelims result PDF from here.

->  UPSC ESE admit card 2025 for the prelims exam has been released. 

-> The UPSC IES Prelims 2025 will be held on 8th June 2025.

-> The selection process includes a Prelims and a Mains Examination, followed by a Personality Test/Interview.

-> Candidates should attempt the UPSC IES mock tests to increase their efficiency. The UPSC IES previous year papers can be downloaded here.

Exams Tests Super Practice

More Ideal and Real Gases Questions

Q1.When a gas or vapour is allowed to escape through a minute aperture such as leakage of steam through the safety valve of a pressure cooker, the leakage process is called
Q2.At absolute zero temperature (T = 0K), the specific enthalpy of an ideal gas is: 
Q3.Heat addition during the constant pressure process is equal to ________
Q4.Which of the following statements is correct for compressibility?
Q5.Find the enthalpy of 1 kg of dry and saturated steam at 10 bar if sensible heat at 10 bar is 762.8 kJ/kg and latent heat of evaporation at 10 bar is 2015.3 kJ/kg.
Q6.The enthalpy of water is considered as ‘zero’ at _______.
Q7.When any gas is heated at constant pressure, its change in volume varies directly with change in absolute temperature. This law is known as ________.
Q8.General gas equation is 
Q9.For perfect gas, the equation of state is              
Q10.The specific volume of air is: 
Suggested Test Series
View All >
UPSC ESE (IES) Civil Mock Test Series
116 Total Tests with 1 Free Tests
Start Free Test
UPSC ESE (IES) Electrical Mock Test Series
68 Total Tests with   1 Free Tests
Start Free Test

More Thermodynamics Questions

Q1.The Zeroth Law of Thermodynamics establishes the basis for which of the following?
Q2.For a closed system undergoing a thermodynamic cycle, the first law states which of the following?
Q3.Despite having the highest possible efficiency for Carnot cycle, it is not suitable for a practical engine using a gaseous working fluid as:
Q4.For an ideal gas
Q5.The reversible expansion of an ideal gas under adiabatic and isothermal conditions is shown in the figure. List I List II i) \(T_{1}=T_{2}\)  a) True ii) \(T_{3}>T_1\)  b) False iii) W\(_{isothermal}>W_{adiabatic}\)   iv) \(\Delta U_{isothermal}>\Delta U_{adiabatic}\)    
Q6.A system comprising of 2 kg of fluid undergoes a reversible process at 500 K during which it receives 1 MJ of heat. The change in specific entropy of system for this case and for the other case where heat supply had been doubled for the same initial and final states are
Q7.When a gas or vapour is allowed to escape through a minute aperture such as leakage of steam through the safety valve of a pressure cooker, the leakage process is called
Q8.A certain amount of gas of volume V at 27°C temperature and pressure 2 × 107 Nm–2 expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets redoubled. The final pressure of the gas will be (Use, γ = 1.5)
Q9.Which of the following assertions holds true when a constant volume of gas is heated? 
Q10.The enthalpy of an open system _________. 
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
support@testbook.com
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Hot Links： teen patti yas rummy teen patti teen patti chart teen patti master online teen patti fun