Description : The first law of thermodynamics is simply the case of – (1) Charles law (2) Newton's law of cooling (3) The law of heat exchange (4) The law of conservation of energy
Last Answer : (4) The law of conservation of energy Explanation: The first law of thennodynamics is a version of the law of conservation of energy for thermodynamic systems. It states That the change in the internal energy of a system is equal to the heat added to the system plus the work done on the system.
Description : The first law of thermodynamics is a statement of conservation of (A) Heat (B) Momentum (C) Energy (D) Work
Last Answer : (C) Energy
Description : The first law of thermodynamics is the law of (a) conservation of mass (b) conservation of energy (c) conservation of momentum (d) conservation of heat (e) conservation of temperature.
Last Answer : Answer : b
Description : The first law of thermodynamics is concerned with the conservation of w) energy x) momentum y) charge z) matter
Last Answer : ANSWER: W -- ENERGY
Description : Which law states, “The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings.” (1) Doppler’s Effect (2) Newton’s law of cooling (3) Kirchhoff’s Law (4) Stefan’s Law
Last Answer : (2) Newton’s law of cooling Explanation: Kirchhoff’s Law – Kirchhoff’s Law signifies that good absorbers are good emitters. Stefan’s Law – The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature.
Description : Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings." (1) Doppler's Effect (2) Newton's law of cooling (3) Kirchhoff's Law (4) Stefan's Law
Last Answer : (2) Newton's law of cooling Explanation: Kirchhoff's Law - Kirchhoff's Law signifies that good absorbers are good emitters. Stefan's Law - The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature.
Description : Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings"? (1) Doppler's Effect (2) Newton's law of cooling (3) Kirchhoff's Law (4) Stefan's Law
Last Answer : (2) Newton's law of cooling Explanation: Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature.
Description : Why does a cannon recoil after firing? (1) Conservation of energy (2) Backward thrust of gases produced (3) NeMon's third law of motion (4) Newton's first law of motion
Last Answer : (3) NeMon's third law of motion Explanation: Recoil is the backward momentum of a gun when it is discharged. In technical terms, the recoil caused by the gun exactly balances the forward momentum of ... 's third law. In case of canons, the momentum is transferred to the ground through its mount.
Description : Why does a cannon recoil after firing ? (1) Conservation of energy (2) Backward thrust of gases produced (3) Newton’s third law of motion (4) Newton’s first law of motion
Last Answer : Newton’s third law of motion
Description : The passengers standing in a bus fall in the backward direction when the stationary bus begins to move. Which of the following laws explains this situation? (1) Newton's First Law of Motion (2) Newton's Third Law of Motion (3) Newton's Second Law of Motion (4) The Law of Conservation of Momentum
Last Answer : (1) Newton's First Law of Motion Explanation: According to Newton's first law of motion (law of inertia) a body either at rest or in uniform motion will remain so unless acted on by a force When the passengers are standing on the bus, they (and the bus) are in a state of uniform motion.
Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that? (1) Newton’s first law (2) Newton’s Second Law (3) Newton’s Third Law (4) Principle of conservation of linear momentum
Last Answer : (4) Principle of conservation of linear momentum Explanation: Conservation of linear momentum. The principle that the linear momentum of a system has constant magnitude and direction if the system is subjected to no external force. Also called law of conservation of linear momentum
Description : The first law of thermodynamics is a restatement of the law of conservation of (A) Mass (B) Energy (C) Momentum (D) None of these
Last Answer : (B) Energy
Description : The first law of thermodynamics is based on which of the following principles? a. Conservation of mass b. Conservation of energy c. Action and reaction d. The entropy-temperature relationship
Last Answer : Conservation of energy
Description : The first law of thermodynamics is based on which of the following principles? a. conservation of mass b. the enthalpy-entropy relationship c. action – reaction d. conservation of energy
Last Answer : conservation of energy
Description : The first law of thermodynamics is the: A. Law of conservation of momentum B. Law of conservation of mass C. Law of conservation of power D. Law of conservation of energy
Last Answer : Law of conservation of energy
Description : The first law of thermodynamics is based on which of the following principles? A. Conservation of mass B. Conservation of energy C. Action and reaction D. The entropy-temperature relationship
Description : 1st law of thermodynamics is nothing but the law of conservation of (A) Momentum (B) Mass (C) Energy (D) None of these
Description : The 1st Law of Thermodynamics on what principle? a. Conservation of Energy b. Conservation of mass c. Enthalpy d. Isometric
Last Answer : Conservation of Energy
Description : What states that the net change in the total energy of the system during a process is equal to the difference between the total energy entering and the total energy leaving the system during ... Conservation of energy principle C. Second law of thermodynamics D. Conservation of mass principle
Last Answer : Conservation of energy principle
Description : What states that the net mass transfer to or from a system during a process is equal to the net change in the total mass of the system during that process? A. Third law of thermodynamics B. Conservation of energy principle C. Second law of thermodynamic D. Conservation of mass principle
Last Answer : Conservation of mass principle
Description : For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) (A) Δt (B) Δt 2 (C) Δt 3 (D) √(Δt)
Last Answer : (A) Δt
Description : Convective heat transfer, in which heat is transferred by movement of warmed matter is described by (A) Fourier's law (B) Newton's law of cooling (C) Fick's law (D) None of these
Last Answer : (B) Newton's law of cooling
Description : For a body cooling in a draft, the rate of heat loss is proportional to the difference in temperature between the body and its surroundings. a. Nemst Effect b. Caloric Theory c. Joule’s Law d. Newton’s Law of Cooling
Last Answer : Newton’s Law of Cooling
Description : The theory that heat consisted of a fluid, which could be transferred from one body to another, but not “created” or “destroyed”. a. Clausius Theorem b. Caloric Theory c. Joules Law d. Newton’s Law of cooling
Last Answer : Caloric Theory
Description : Euler's equation of motion is a statement expressing (A) Conservation of mass (B) Conservation of energy (C) Newton's first law of motion (D) Newton's second law of motion
Last Answer : (A) Conservation of mass
Description : Coulomb's law for the force between electric charges most closely resembles a.Newton's laws of motion b.Law of conservation of energy c.Gauss's theorem d.Newton's law of gravitation e.None of the above
Last Answer : d. Newton's law of gravitation
Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature
Last Answer : a. Principle of conservation of mechanical energy
Description : The Law of Thermodynamics that provides the basis for measuring the thermodynamic property of temperature. a. Charle’s Law b. Boyle’s Law c. Zeroth Law d. Gas Law
Last Answer : Zeroth Law
Description : The first law of thermodynamics is concerned with the conservation of which thing? -General Knowledge
Last Answer : The answer is 'Energy'
Last Answer : answer:
Description : The first law of thermodynamics is concerned with the conservation of
Last Answer : The first law of thermodynamics is concerned with the conservation of A. Total energy of a ... chemical change D. Mass changes in nuclear reactions
Description : The first law of thermodynamics is concerned with the conservation of which thing?
Last Answer : Energy
Description : Bernoulli's equation is dependent on the (A) First law of thermodynamics (B) Third law of thermodynamics (C) Law of conservation of momentum (D) None of these
Last Answer : (D) None of these
Description : Pick out the correct statement. (A) Human blood is a Newtonian fluid (B) A Newtonian fluid obeys Newton's law of cooling (C) For a non-Newtonian fluid, a straight line passes through the origin in a plot between shear stress and shear gradien
Last Answer : (B) A Newtonian fluid obeys Newton's law of cooling
Description : The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called (A) Newton's law of motion (B) Newton's law of cooling (C) Newton's law of viscosity (D) Newton's law of resistance
Last Answer : Answer: Option D
Description : What is sometimes known as the “Fourth-power law”? A. Kirchhoff’s radiation law B. Newton’s law of cooling C. Stefan-Boltzmann law D. Hess’s law
Last Answer : Stefan-Boltzmann law
Description : If a refrigerator is a heat pump that follows the first law of thermodynamics how much heat was removed from food inside of the refrigerator if it released 240J of energy to the room?
Last Answer : Not enough information. The refrigerator must also follow theSecond Law.The energy released to the room is the energy removedfrom the room, PLUS the energy used by the refrigerator (forexample, as electrical energy).
Description : The first law of thermodynamics may be expressed in the following equivalent a. the net heat transfer id equal to the network b. the sum of the total energy forms leaving the system boundary is ... neither be created nor destroyed but only converted from one form to another d. all of the above
Last Answer : all of the above
Description : According to first law of thermodynamics (a) mass and energy are mutually convertible (b) Carnot engine is most efficient (c) heat and work are mutually convertible (d) mass and light are mutually convertible (e) heat flows from hot substance to cold substance.
Last Answer : Answer : c
Description : First law of thermodynamics (a) enables to determine change in internal energy of the system (b) does not help to predict whether the system will or not undergo a change (c) does not enable ... entropy (d) provides relationship between heat, work and internal energy (e) all of the above.
Last Answer : Answer : e
Description : According to first law of thermodynamics (a) work done by a system is equal to heat transferred by the system (b) total internal energy of a system during a process remains constant ( ... , enthalpy and entropy during a process remain constant (d) total energy of a system remains constant
Last Answer : Answer : d
Description : First law of thermodynamics furnishes the relationship between (a) heat and work (b) heat, work and properties of the system (c) various properties of the system (d) various thermodynamic processes (e) heat and internal energy.
Last Answer : (b) heat, work and properties of the system
Description : The principle that energy may be converted from one form to another but it cannot be either created or destroyed is: w) First Law of Thermodynamics. x) Second Law of Thermodynamics. y) Third Law of Thermodynamics. z) Principle of photoelectricity.
Last Answer : ANSWER: W -- FIRST LAW OF THERMODYNAMICS.
Description : The second law of thermodynamics states that (A) The energy change of a system undergoing any reversible process is zero (B) It is not possible to transfer heat from a lower temperature to a higher temperature (C) The total energy of system and surrounding remains the same (D) None of the above
Last Answer : (D) None of the above
Description : Which of the following is the correct statement of the second law of thermodynamics? A. It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy ... energy, which can be obtained from a given quantity of heat energy. D. all of the above
Last Answer : Answer: D
Description : According to Kelvin-Planck's statement of second law of thermodynamics, A. it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work B. it ... other than the transfer of heat from a cold body to a hot body D. none of the above
Last Answer : Answer: A
Description : According to Clausis statement of second law of thermodynamics (a) heat can't be transferred from low temperature source to high temperature source (b) heat can be transferred for low temperature to ... to high temperature source without the aid of external energy (e) all of the above.
Description : Zeroth law of thermodynamics (a) deals with conversion of mass and energy (b) deals with reversibility and irreversibility of process (c) states that if two systems are both in equilibrium with a ... in thermal equilibrium with each other (d) deals with heat engines (e) does not exist.
Description : According to the second law of thermodynamics, energy tends to become more and more unavailable for conversion from: w) thermal to kinetic energy x) kinetic to thermal energy y) thermal to mechanical energy z) mechanical to thermal energy
Last Answer : ANSWER: Y -- THERMAL TO MECHANICAL ENERGY