Description : Energy that is produced commercially from coal is called – (1) Light energy (2) Kinetic energy (3) Thermal energy (4) Potential energy
Last Answer : (3) Thermal energy Explanation: Thermal enemy, but in most cases coal is used for electricity. The steel industry uses coal (or coke rather) in blast furnaces. Thermal energy is the part of ... through heating, and not been subjected to work input or output, or any other energy-changing processes.
Description : Energy stored in a body as thermal or internal energy consists of one of the following. Does it consist of: w) heat in the form of radiant energy x) molecular kinetic energy only y) molecular potential energy only z) both kinetic and potential energy
Last Answer : ANSWER: Z -- BOTH KINETIC AND POTENTIAL ENERGY
Description : In a nuclear explosion, the energy is released primarily in the form of __________ energy. (A) Potential (B) Thermal (C) Kinetic (D) Electrical
Last Answer : (C) Kinetic
Description : One of the key areas for ....... energy saving in existing systems is waste heat recovery. a) Potential b) Kinetic c) Thermal d) Electrical
Last Answer : Potential
Description : If energy of incident photon is greater than the rest mass energy of electron positron pair, the surplus energy is shared by the pair as, a) Potential energy b) Thermal energy c) Electronic energy d) Kinetic energy
Last Answer : d) Kinetic energy
Description : Energy stored in a coal is - (1) kinetic energy (2) potential energy (3) chemical energy (4) nuclear energy
Last Answer : (3) chemical energy Explanation: Chemical energy is stored in coal. Coal is a Hydrocarbon. When coal is burnt its chemical energy comes out in the form of light and heat energy which result in formation of vapors of Carbon Dioxide (CO2) and water(H2O).
Description : The energy generated through coal commercially is called
Last Answer : Thermal Energy
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
Description : What is the sum of the kinetic energy and potential energy of the molecules of matter called energy ?
Last Answer : The sum of the kinetic and potential energy of the molecules of matter is called internal energy.
Description : Energy in deformed solid is called A. stress energy B. potential energy C. kinetic energy D. strain energy
Last Answer : strain energy
Description : Work done on an object to bring it to certain point in space is called A. gravitational potential energy B. potential energy C. kinetic energy D. mechanical energy
Last Answer : kinetic energy
Description : In a water lifting electric pump, We convert – (1) Electrical energy into Potential energy (2) Kinetic energy into Electrical energy (3) Kinetic energy into Potential energy (4) Electrical energy into Kinetic energy
Last Answer : (1) Electrical energy into Potential energy Explanation: In a water lifting electric pump, we convert electrical energy into potential energy. In hydraulic pump mechanical energy in converted into potential energy
Description : The work done by the string of a simple pendulum during one complete oscillation is equal to (1) Total energy of the pendulum (2) Kinetic energy of the pendulum (3) Potential energy of the pendulum (4) Zero
Last Answer : (4) Zero Explanation: Work done by the string of the simple pendulum during one complete oscillation is zero. Tension in the string exactly cancels the component parallel to the string. This leaves a net restoring force back toward the equilibrium position as equal to zero.
Description : In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy
Last Answer : (2) Kinetic energy Explanation: Temperature is used as a measure for heat in an object by measuring the amount of kinetic energy in the molecules that make up the object. It is a measure of the average ... from the heat source to the molecules, and it can also change its form from heat to movement.
Description : The energy stored in a watch spring is (1) Kinetic energy (2) Potential energy (3) Heat energy (4) Chemical energy
Last Answer : (2) Potential energy
Description : In a rechargeable cell what kind of energy is stored within the cell? (1) Electrical energy (2) Potential energy (3) Chemical energy (4) Kinetic energy
Last Answer : (3) Chemical energy Explanation: In electricity, a battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. A battery is ... of two half-cells connected in series by a conductive electrolyte containing anions and cations.
Description : When a body falls from an aeroplane, there is increase in its – (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy
Last Answer : (3) Acceleration Explanation: The energy possessed by a body by virtue of its motion is called kinetic energy. Potential Energy is the energy possessed by virtue of its position or configuration. When a body falls from an aeroplane, there is increase in its acceleration.
Description : Bernoulli's principle states that, for streamline motion of an incompressible non-viscous fluid: A. the pressure at any part + the kinetic energy per unit volume = constant B. the kinetic ... + the kinetic energy per unit volume + the potential energy per unit volume = constant
Last Answer : the pressure at any part + the kinetic energy per unit volume + the potential energy per unit volume = constant
Description : At the end of communication system, the signal is converted from radio to A. sound B. mechanical energy C. kinetic energy D. potential energy
Last Answer : sound
Description : The temperature of a gas measures the: w) number of calories of heat present x) average kinetic energy of the particles in the gas y) exact number of particles in the gas z) potential energy of the gas
Last Answer : ANSWER: X -- AVERAGE KINETIC ENERGY OF THE PARTICLES IN THE GAS
Description : In any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy
Last Answer : ANSWER: Y -- MOMENTUM
Description : A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its ... kinetic energy at the top of the plane z) dependant on the materials of which the block is made
Last Answer : ANSWER: X -- EQUAL TO ITS POTENTIAL ENERGY (WITH RESPECT TO THE BOTTOM OF PLANE) WHEN IT WAS AT THE TOP OF THE PLANE.
Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass
Last Answer : ANSWER: W -- MOMENTUM
Description : According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy
Last Answer : ANSWER: Y -- KINETIC ENERGY
Description : The relationship between kinetic energy and the potential energy of a swinging pendulum bob is one of the following. Is it: w) kinetic energy is greater than potential energy x) kinetic ... kinetic energy is equal to potential energy z) kinetic energy plus potential energy equals a constant
Last Answer : ANSWER: Z -- KINETIC ENERGY PLUS POTENTIAL ENERGY EQUALS A CONSTANT
Description : When a charge moves through an electric circuit in the direction of an electric force it does one of the following four things. Does it: w) lose potential energy and gain kinetic energy x) ... lose kinetic energy y) lose both potential and kinetic energy z) gain both potential and kinetic energy
Last Answer : ANSWER: W -- LOSE POTENTIAL ENERGY AND GAIN KINETIC ENERGY
Last Answer : Kinetic energy
Last Answer : Zero
Description : In a water lifting electric pump, we convert (1) Electrical energy into Potential energy (2) Kinetic energy into Electrical energy (3) Kinetic energy into Potential energy (4) Electrical energy into Kinetic energy
Last Answer : Electrical energy into Potential energy
Description : When a body falls from an aeroplane, there is increase in its (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy
Last Answer : Acceleration
Description : The energy stored in a watch spring is (1) kinetic energy (2) potential energy (3) heat energy (4) chemical energy
Last Answer : potential energy
Last Answer : Chemical energy
Description : Is light energy potential or kinetic energy?
Last Answer : good answer but its none of them light energy is radiant energy
Description : The sum of potential energy and kinetic energy is known as : (1) Electrical energy (2) Chemical energy (3) Light energy (4) Mechanical energy
Last Answer : (4) Mechanical energy Explanation: In physical sciences, mechanical energy is the sum ofpotential energy and kinetic energy. It is the energy associated with the motion and position of an object.
Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator
Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE
Description : Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? (A) Water (B) Naphtha (C) Tar (D) Coal/coke oven gas
Last Answer : (C) Tar
Description : Approximately how much of the total coal produced is used for producting thermal electricity in Pakistan A. 2.5 % B. 2.3 % C. 3 % D. 4 %
Last Answer : ANSWER: B
Description : Find the temperature at which the everage thermal kinetic energy is equal to the energy needed to take a hydrogen atom from its ground state `n = 3` s
Last Answer : Find the temperature at which the everage thermal kinetic energy is equal to the energy ... hydrogen that hydrogen molecules dissociate into atoms
Description : Heat engine uses ______ energy to produce mechanical work. a. Thermal b. Fluid c. Kinetic d. Electric (Ans:a)
Last Answer : Which of the following is not an internal Combustion (IC) engine? a. Gas engine b. Wankel engine c. Jet engine d. Stirling engine (Ans:d)
Description : The energy released at the end of digestion is in the form of: (1) electric energy (2) Kinetic energy (3) thermal energy (4) chemical energy
Last Answer : (4) chemical energy Explanation: Digestion of food involves both physical and chemical processes. During digestion the chemical energy in for released while the molecules of food are broken down into smaller pieces.
Description : Energy stored in flywheel in the form of 1. heat energy 2. kinetic energy 3. solar energy 4. thermal energy
Last Answer : 2. kinetic energy
Description : What are the only two forms of energy interactions associated with a closed system? A. Kinetic energy and heat B. Heat transfer and work C. Thermal energy and chemical energy D. Latent energy and thermal energy
Last Answer : Heat transfer and work
Description : Which of the following items is not a path function (a) heat (b) work (c) kinetic energy (d) vdp (e) thermal conductivity.
Last Answer : Answer : e
Description : Why are so many commercially produced foods sweet when they shouldn't be?
Last Answer : Conspiracy. They want us fat, dumb, and lazy so we won’t figure out that they’re screwing us.
Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch
Last Answer : (A) Catalytic dehydrogenation of ethyl benzene
Description : Petroleum coke is commercially produced by the __________ process. (A) Hydrocracking (B) Visbreaking (C) Fluid catalytic cracking (D) Delayed coking
Last Answer : (D) Delayed coking
Description : Human insulin is being commercially produced from a transgenic species of (a) Rhizobium (b) Saccharomyces (c) Escherichia (d) Mycobacterium
Last Answer : (c) Escherichia
Description : Which one of the following is now being commercially produced by biotechnological procedures? (a) Nicotine (b) Morphine (c) Quinine (d) Insulin
Last Answer : (d) Insulin
Description : Ethanol is commercially produced through a particular species of (a) Saccharomyces (b) Clostridium (c) Trichoderma (d) Aspergillus.
Last Answer : (a) produce methane