# heat and thermodynamics mcq with solutions

Carnot cycle has maximum efficiency for (a) reversible engine (b) irreversible engine (c) new engine (d) petrol engine (e) diesel engine. 1. Answer: a. 110 J of heat is added to a gaseous system, C neither mass nor energy crosses the boundaries of the system. A sink, that is, the system where heat is rejected, is essential for the conversion of heat into work. Heat is a form of:.

-78. Questions are made from the laws of Thermodynamics, basic properties, and work-heat transfer. View Answer. Thermal conductivity is mainly a function of the motion of the free electrons therefore property of a material, not a path function. One gram of sample of NH 4 NO 3 is decomposed in a bomb calorimeter. Chemical thermodynamics entails not only laboratory measurements of various thermodynamic properties, but also the application of mathematical methods to the study of chemical Zeroth 2. What is the molar heat of decomposition of NH 4 NO 3? Chapter 1: Some Basic Concepts of Chemistry Class 11 MCQ Questions. B Thermal Energy . Heat is a form of:.

Thermodynamics is a branch of science that pacts with the connection between heat and other aspects of energy. Check the below NCERT MCQ Questions for Class 11 Physics Chapter 12 Thermodynamics with Answers Pdf free download. C S02, NH3, C02, moisture. In a clinical thermometer, the mercury in the capillary tube does not contract 6.

a. mkT. (ii) the extent to which a chemical reaction proceeds. Why mercury is used as a thermometric Ans: 1st law of Thermodynamics. 2. Specific heat and latent heat of fusion and vaporization. Second 4. Heat C. Chemical energy D. Thermal energy 2. Page-2 section-1 Thermodynamic equation of state. C Entropy . and P.E. Energy balance 149. contact. Q1) Water falls from a height 500m. Heat and Thermodynamic Physics MCQs 1.

B hyperbolic expansion.

One litre of water at 30 degree Centigrade is mixed with one liter of water at 50 degree Centigrade. c. both saturated and unsaturated air.

1. Learn the MCQ Question for Class 11 Chemistry cross-check your answers with definite Solutions and furthermore Check your preparation for examinations. Here Q 2 = 50 J. Q 1 = 80 J. Class 11 Chemistry MCQ with Answers Chapter Wise. Carnot engine is the base engine for all the other engines. Explanation: According to the description of path given, through the path A and path B system undergoes cycle, Writing the first law equation for path A, Q A = E A + W A and for path B, Q B = E B + W B. A. Heat and Thermodynamics Mcqs for Preparation - PakMcqs MCQ in Thermodynamics Part 1 Answers. An open system is one in which. heat and thermodynamics these questions are' 'thermodynamics multiple choice questions and answers april 21st, 2018 - mcq quiz on thermodynamics multiple choice questions and answers on thermodynamics Heat And Thermodynamics Multiple Choice Questions Heat and Thermodynamics MCQs With Answers The Sun is a major source of:. 92. C. 7. 2. First 3. 1. 64 If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called. (d) mass crosses the boundary but not the energy.

8527521718; Online Support; Menu. ANSWER. These questions are chosen from a collection of most authoritative and best reference books on Physics. 9. (b) heat can be transferred for low temperature to high temperature source by using refrigeration cycle. Learn and Practice Thermodynamics variety of MCQ Questions and Answers of Mechanical Engineering, Useful for GATE Exams, Competitive exams, Entrance exams. Solution: (b) Heat and work cannot be transferred into the ice kept in a well insulated thermos flask, hence, it is an isolated system. MCQs: Thermodynamics Test Questions - Mcqs Clouds is a portal which provide MCQ Questions for all competitive examination such as GK mcq question, competitive english mcq question, arithmetic aptitude mcq question, Data Intpretation, C and Java programing, Reasoning aptitude questions and answers with easy explanations. 3.5 . - 2 Answer: (a) 1 : 1. Answer. C. system has temperature. Answer. Definition: Chemical thermodynamics is the study of the interaction of heat and work with chemical reactions or physical state changes within the confines of thermodynamic laws. d. Equal in all the cases. C. Entropy change. Q2. It has four fundamental laws. Q9. If you want to get knowledge on an open system, closed system, and isolated system; intensive and extensive properties, pure substance, homogeneous and heterogeneous system; triple point and critical point and the laws of thermodynamic systems then you go through the energy. 7.A sample of an ideal gas has volume 2V, Pressure 2P and Temperature T.The mass of each molecule of the gas is m.The density of the gas is. 5.

c) The triple point of water is one of the reference points on the thermodynamic scale of temperature. Engineering Thermodynamics MCQ with Answers. 1) All the commercial liquid fuels are derived from natural petroleum (or crude oil). 24. C. Ethane is a better fuel than CH 4 C H 4.

If the temperature of the plate increases, what Assuming, that the refrigerator cycle is reversible, for every joule of work done, the heat delivered to the surrounding will be nearly: (a) 10 J (b) 20 J (c) 30 J (d) 50 J. Heat from the Sun reaches Earth by:. b) The first law of thermodynamics is also known as the law of thermal equilibrium. Which of the following concepts best describes a chlorophyll molecule absorbing light and changing it into chemical energy?

Now solar energy enters the room from windows at an average rate of 1 kJ/s while a 100-W fan is turned on to circulate the air in the room. Chemical thermodynamics entails not only laboratory measurements of various thermodynamic properties, but also the application of mathematical methods to the study of chemical Heat of combustion of methane and ethane are -291.7 Kcal & 441.2 Kcal respectively: Methane is a better fuel because ethane is poisonous. Answer: c. Clarification: As Q=U+W.

(b) The first law of thermodynamics is also known as the law of thermal equilibrium. B mass crosses the boundary but not the energy. It deals with the concepts of heat, temperature and interconversion of heat into other forms of energy i.e., electrical, mechanical, chemical magnetic etc. (c) heat can be transferred from low temperature to high temperature source if COP of process is more than unity (d) heat cant be transferred from low temperature to high temperature source without the aid of external energy Chapter 2: Structure of Atom Class 11 MCQ Questions. An aluminum plate has a circular hole. 81. thermodynamics these questions are' 'thermodynamics multiple choice questions and answers april 21st, 2018 - mcq quiz on thermodynamics multiple choice questions and answers on thermodynamics Heat And Thermodynamics Multiple Choice Questions Heat and Thermodynamics MCQs With Answers The Sun is a major source of:.

D both energy and mass cross the boundaries of the system. Thermodynamics Class 11 MCQs Questions with Answers. 1535 kJ/kg. D. H = U + PV. 2. Deals with conversion of mass and energy. C. specific heat capacity. Learn Engineering Thermodynamics MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Multiple Choice Questions 1. Third Thermodynamics Physics Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and Remain the same always. ECAT preparation - Heat and Thermodynamics,Multiple Choice Questions on Thermodynamics - Quiz. Access Free Mcqs On Heat And Thermodynamics With Answers MCQs: 2 . Internal energy of a perfect gas is.

(a) wholly potential energy. Specific heat and latent heat of fusion and vaporization. The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is.

1.