Description : _________ is the quantity of heat required to raise the temperature of one pound of water 1 F˚ from 63 ˚F to 64 ˚F. a. one Joule b. one calorie c. one watt d. one BTU
Last Answer : one BTU
Description : The mechanical equivalent of heat is a. joule b. calorie c. Btu d. Specific heat
Last Answer : joule
Description : Two thick slices of bread, when completely oxidized by the body, can supply 200,000 cal of heat. How much work is this equivalent to? a) 4,190,000 joules b) 8,390,000 joules c) 839, ... d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie
Last Answer : 419 000 joules
Description : How many joules of work is the equivalent of 15000 cal of heat? a) 62850 joules b) 3579.95 joules c) 14995.81 joules d) 15004.19 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie
Last Answer : 62850 joules
Description : The amount of heat required to raise the temperature of 1 pound of water by 1°F is called ______. A. Calorie B. Joule C. BTU D. Kilocalorie
Last Answer : BTU
Description : The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______. A. Calorie B. Joule C. BTU D. Kilocalorie
Last Answer : Kilocalorie
Description : One calorie is equivalent to how many joules? A. 4.448 B. 4.184 C. 4.418 D. 4.814
Last Answer : 4.184
Description : What is the SI unit of energy? A. Newton B. Btu C. Calorie D. Joule
Last Answer : Joule
Description : Calorie is a measure of (a) specific heat (b) quantity of heat (c) thermal capacity (d)entropy (e) work.
Last Answer : Answer : b
Description : The volume of a gas under standard atmospheric pressure & 76 cmHg is 200m³. What is the volume when pressure is 80 cmHg if the temperature is unchanged? a) 180 in³ b) 170 in³ c) 160 in³ d) 190 in³ Formula: P2V2 = P1V1
Last Answer : 190 in³
Description : Calculate the power output in horsepower of an 80-kg man that climbs a flight of stairs 3.8 m high in 4.0 s. a) 744.8 hp b) 0.998 hp c) 746 hp d) 1.998 hp Formula: Power = Fd/t = mgh/t F = W = mg d = h
Last Answer : 0.998 hp
Description : Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water? A. 0.043 K/s B. 0.179 K/s C. 0.357 K/s D. 1.50 K/s Formula: Q = mcv ( T)
Last Answer : 0.179 K/s
Description : _________ is the unit of pressure and stress. a) Newton b) Pascal c) Hertz d) Joule
Last Answer : Pascal
Description : _________ is the energy stored within a body or substance by virtue of the activity and configuration of its molecules. a. Internal Energy b. External Energy c. Kinetic Energy d. Potential Energy
Last Answer : Internal Energy
Description : The most efficient cycle that can operate between two constant temperature reservoir is the _________. a. Otto Cycle b. Lazare Cycle c. Isothermal Cycle d. Carnot Cycle
Last Answer : Carnot Cycle
Description : The flow through an open system is _________ if all properties at each point within the system remain constant with respect to time. a. streamline flow b. steady flow c. constant flow d. algebraic flow
Last Answer : steady flow
Description : Gasoline and Diesel Engines are best described by the _________. a. Otto Cycle b. Burnign Cycle c. Shikki Cycle d. Shapa R’ Elli Cycle
Last Answer : Otto Cycle
Description : In thermodynamics, a throttling process, also called a _________, is a type of isenthalpic process where a liquid or gas is cooled as it passes from a higher pressure state to a lower pressure state. a. Rankine Process b. Carnot Cycle c. Joule-Thomson process d. Refrigeration process
Last Answer : Joule-Thomson process
Description : Intensive properties of a system are called _________. a. Bulk Properties b. Innate Properties c. Natural Properties d. Inside Properties
Last Answer : Bulk Properties
Description : _________ is the temperature to which the air must be cooled, at constant pressure, to produce saturation. a. relative humidity b. triple point temperature c. dew point d. critical point
Last Answer : dew point
Description : The process of one substance mixing with another because of molecular motion is called _________. a. diffusion b. viscosity c. streamline flow d. solution
Last Answer : diffusion
Description : The speed at which a liquid escapes from a vessel through an orifice is given by _________. a. Archimedes Principle b. Evangelista’s Law c. Torricelli’s Theorem d. Bernoulli’s Equation
Last Answer : Torricelli’s Theorem
Description : The force per unit length across such a line in the surface is called _________. a. force per length b. surface tension c. Pressure d. Density
Last Answer : surface tension
Description : To displace a cubic foot of fresh water, you need _________ force. a. 62.4 lb b. 9.81 lb c. 76 lb d. 760 lb
Last Answer : 62.4 lb
Description : If any external pressure is applied to a confined fluid, the pressure will be increased at every point in the fluid by the amount of the external pressure is known as _________. a. Torricelli’s law b. Barometric law c. Newton’s Second law d. Pascal’s law
Last Answer : Pascal’s law
Description : _________ is defined as that equivalent to the pressure due to a column of mercury 76cm long. a. surface pressure b. gage pressure c. standard atmospheric pressure d. isobaric pressure
Last Answer : standard atmospheric pressure
Description : _________ is the average distance a molecule moves before colliding with another molecule. a. mean free path b. path allowance c. compacting factor d. molecular space
Last Answer : mean free path
Description : The statement “heat cannot by itself flow from one body into a hotter body” is governed by _________. a. the first law of thermodynamics b. the second law of thermodynamics c. the third law of thermodynamics d. the zeroth law of thermodynamics
Last Answer : the second law of thermodynamics
Description : Adiabatic heating and Adiabatic cooling really means _________ and _________ respectively. a. raising the temp and lowering the temp b. maintaining the pressure and changing the temperature c. decreasing the volume and increasing the pressure d. lowering the temp and raising the temp
Last Answer : raising the temp and lowering the temp
Description : Most cooking activities involve _________ process. a. Isochoric b. Isothermal c. Isobaric d. Isovolumic
Last Answer : Isobaric
Description : Thermos was invented by _________. a. Sir Arthur Conan Doyle b. Sir Fredrich the Great c. Thomas Edison d. Sir James Dewar
Last Answer : Sir James Dewar
Description : Boiling temperature of a material is dependent on its _________. a. volume b. power c. heat d. pressure
Last Answer : pressure
Description : The term _________ is traditionally used to describe steam issuing from condensate receiver vents and openended condensate discharge lines from steam traps. a. dry steam b. wet steam c. phase steam d. flash steam
Last Answer : flash steam
Description : The temperature at which the vapor pressure exactly equals one atm is called _________. a. boiling temperature b. normal boiling point c. triple point d. point of infliction
Last Answer : normal boiling point
Description : The boiling of water into steam in an open container is an example of a/an _________ process. a. adiabatic b. isochoric c. isobaric d. zero work
Last Answer : isobaric
Description : Open system is also known as _________. a. isolated system b. closed container c. control mass d. control volume
Last Answer : control volume
Description : A closed system is also known as _________. a. isolated system b. closed container c. control mass d. control volume
Last Answer : control mass
Description : The contact surface shared by both the system and the surroundings is called _________. a. wall b. boundary c. interface d. intersection
Last Answer : boundary
Description : A _________ is a quantity whose value depends on the path followed during a particular change in state. a. path function b. point function c. process d. cycle
Last Answer : path function
Description : A _________ is a quantity whose value at any state is independent of the path or process used to reach that state. a. cycle b. path function c. point function d. process
Last Answer : point function
Description : The gas in a constant gas thermometer cooled to absolute zero would have _________. a. no volume b. no pressure c. zero temperature at all scales d. none of the above
Last Answer : no pressure
Description : The volume of a given amount of water _________ as the temperature decreases from 4˚C to 0˚C. a. decreases b. increases c. remains constant d. none of the above
Last Answer : increases
Description : For most solids, the coefficient of volume expansion is _________ the coefficient of linear expansion. a. unrelated to b. proportional to c. twice d. three times
Last Answer : three times
Description : In order to use a substance to make a thermometer the substance must _________ with a temperature change. a. expand b. contract c. change d. increase
Last Answer : change
Description : _________ is the transition of a given substance from the solid to the gas phase with no intermediate liquid stage. a. Convection b. Conduction c. Radiation d. Sublimation
Last Answer : Sublimation
Description : All the energy we consume ultimately becomes _________. a. heat b. depleted c. exhausted d. work
Last Answer : heat
Description : _________ is a thermodynamic potential that measures the “useful” or process-initiating work obtainable from an isothermal, isobaric thermodynamic system. a. Du-Pont Potential b. Gibbs free energy c. Rabz-Eccles Energy d. Claussius Energy
Last Answer : Gibbs free energy
Description : _________ the very small KE still present in molecules at absolute zero temperature. a. internal KE b. Atomic kinetic energy c. Zero-Point Energy d. Subliminal Energy
Last Answer : Zero-Point Energy
Description : _________ is a measure of the average kinetic energy per molecule in a substance. a. movement b. temperature c. heat d. mass
Last Answer : temperature
Description : _________ is the grand total of all energies inside a substance. a. Internal Energy b. Grand Energy c. Atomic Energy d. Elemental Energy