OC userin Engineering·24 May 2019Suppose the speed of a moving car is doubled then by what factor should the kinetic energy increase?
OC userin Engineering·31 May 2019Consider the motion of ball down an inclined plane and determine at which position will it have maximum kinetic energy?
OC userin Engineering·9 Mar 2019Consider the following statements and mark the statement as you answer which is correct in the context of kinetic energy and potential energy. The kinetic energy of a molecule depends on the temperature while potential energy depends upon the position The kinetic energy of an object is due to its position while potential energy is due to its velocity Both kinetic and potential energy of an object can be maximum at the same time None of these
OC userin Engineering·21 Aug 2019If we assume the efficiency as 70 % then what would be the kinetic energy resulted from the 180 kcal of chemical energy?
OC userin Engineering·5 Aug 2019Which of these is exhibiting kinetic energy? A person sitting on a sofa while watching a cricket match A satellite orbiting a planet A book lying on the table None of these
OC userin Engineering·18 Jan 2019What are different ways to increase the kinetic energy of a molecule?
OC userin Engineering·7 Jul 2019Read all the following statements and mark the statement as your answer that best defines the heat capacity of a sample. It is the amount of heat required to raise the temperature of unit mass by 1 ℃ It is the amount of heat required to raise the temperature of a substance by 1 ℃. It is the amount of heat required to raise the temperature of a body by 100 ℃. None of these
OC userin Engineering·27 Jul 2019Consider a substance that heats up quickly. What should be the specific heat capacity of the substance in relation to its heating property? High Low Can’t be predict It has no relation with heating characteristic
OC userin Engineering·9 Mar 2019Which of the following has the highest specific heat capacity? 10 gram of water 100 gram of copper 1000 gram of gold 1000 gram of brass
OC userin Engineering·12 Feb 2019Which of the following has the greatest heat capacity? 100 gram of water 100 gram of copper 1000 gram of water 1000 gram of copper
OC userin Engineering·6 May 2019By what physical quantity should the heat capacity of an object be divided to obtain specific heat capacity?
OC userin Engineering·21 Mar 2019What is the heat capacity of the body? Which of the following factors does it depend? Mass The Material of the body Both mass and material of the body Enthalpy of object
OC userin Engineering·30 Apr 2019Define all three laws of thermodynamics and establish a correlation between them.
OC userin Engineering·21 Jan 2019Which physical law underlies the first law of thermodynamics? The law of conservation of energy The law of conservation of mass The law of conservation of momentum None of these