Description : The unit of power in S.I. units is (a) newton (b) pascal (c) erg (d) watt (e) joule.
Last Answer : Answer : d
Description : The unit of pressure in S.I. units is (a) kg/cm2 (b) mm of water column (c) pascal (d) dynes per square cm (e) bars
Last Answer : Answer : c
Description : The unit of energy in S.I. units is (a) watt (b) joule (c) joule/s (d) joule/m (e) joule m.
Last Answer : Answer : b
Description : The unit of mass in S.I. units is (a) kilogram (b) gram (c) tonne (d) quintal (e) newton
Last Answer : Answer : a
Description : The unit of temperature in S.I. units is (a) Centigrade (b) Celsius (c) Fahrenheit (d) Kelvin (e) Rankine.
Description : The unit of length in S.I. units is (a) meter (b) centimeter (c) kilometer (d) millimeter.
Description : The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is (a) 29.27 J/kmol°K (b) 83.14J/kmol°K (c) 848J/kmol°K (d) All J/kmol °K (e) 735 J/kmol °K.
Description : If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as (a) free expansion (b) hyperbolic expansion (c) adiabatic expansion (d) parabolic expansion (e) throttling.
Last Answer : Answer : e
Description : The value of gas constant (R) in S. I. units is A. 0.287 J/kgK B. 2.87 J/kgK C. 28.7 J/kgK D. 287 J/kgK
Last Answer : Answer: D
Description : What horse power is required to isothermally compress 800 ft^3 of Air per minute from 14.7 psia to 120 psia? A. 28 hp B.108 hp C.256 hp D.13900 hp Formula: W= p1V1 ln (p1/p2) Power = dW / dt
Last Answer : 108 hp
Description : The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is (a) 29.27 kgfm/mol°K (b) 8314kgfm/mol°K (c) 848kgfm/mol°K (d) 427kgfm/mol°K (e) 735 kgfm/mol°K.
Description : A bayabas falls from a branch 5m above the ground with what speed in meter per second does it strike the ground assume g = 10m/s². a. 11m/s b. 12m/s c. 13m/s d. 10m/s ∫KE = mV2/2gc
Last Answer : 10m/s
Description : The coefficient of performance (COP) is the ratio between the: A. Power consumption in watts and heat absorbed per hour B. Heat absorbed per hour and the power consumption in watts C. Work required and the absorbed heat D. Absorbed heat and work required
Last Answer : Absorbed heat and work required
Description : What refers to the amount of heat removed from the cooled space in BTS’s for 1 watt-hour of electricity consumed? A. Cost efficiency rating B. Energy efficiency rating C. Coefficient of performance D. Cost of performance
Last Answer : Energy efficiency rating
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 : Measurement of temperature is based on (a) thermodynamic properties (b) zeroth law of thermodynamics (c) first law of thermodynamics (d) second law of thermodynamics (e) joule’s law.
Description : Energy can neither be created nor destroyed but can be converted from one form to other is inferred from (a) zeroth low of thermodynamic (b) first law of thermodynamics (c) second law to thermodynamics (d) basic law of thermodynamics (e) claussius statement.
Description : The basis for measuring thermodynamic property of temperature is given by (a) zeroth law of thermodynamics (b) first law of thermodynamics (c) second law of thermodynamics (d) third law of thermodynamics (e) Avogadro’s hypothesis.
Description : The pressure’of a gas in terms of its mean kinetic energy per unit volume E is equal to (a) E/3 (b) E/2 (c) 3E/4 (d)2E/3 (e) 5E/4.
Description : The rate at which this is quantity passes through a fixed boundary per unit time a. Flux b. Existence c. Irradiance d. All of these
Last Answer : All of these
Description : It is an energy flux, equal to the rate of energy flow per unit area per unit time across some surface. a. Irradiance b. Radiant Intensity c. Luminosity d. Brightness
Last Answer : Luminosity
Description : Which of the following laws of thermodynamic which leads to the definition of entropy? a. First law b. Second law c. Third law d. Law of conservation of energy
Last Answer : Second law
Description : This law of thermodynamics prohibits the construction of a perpetual motion machine “of the second kind” a. Zeroth Law of Thermodynamics b. First Law of Thermodynamics c. Second Law of Thermodynamics d. Third Law of Thermodynamics
Last Answer : Second Law of Thermodynamics
Description : As temperature goes to “0”, the entropy approaches a constant a. Zeroth Law of Thermodynamics b. First Law of Thermodynamics c. Second Law of Thermodynamics d. Third Law of Thermodynamics
Last Answer : Third Law of Thermodynamics
Description : If two systems are in the thermal equilibrium with a third system, then they must be in thermal equilibrium with each other. a. Zeroth Law of Thermodynamics b. First Law of Thermodynamics c. Second Law of Thermodynamics d. Third Law of Thermodynamics
Last Answer : Zeroth Law of Thermodynamics
Description : Which law that states “Entropy of all perfect crystalline solids is zero at absolute zero temperature”? a. Zeroth law of thermodynamics b. First law of thermodynamics c. Second law of thermodynamics d. Third law of thermodynamics
Last Answer : Third law of thermodynamics
Description : It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it. a. First Law of thermodynamics b. Second Law of thermodynamics c. Third Law of thermodynamics d. Zeroth Law of thermodynamics
Last Answer : Third Law of thermodynamics
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 : 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 : What is the amount of radiant energy received each second over each square meter that is at right angles to the sun’s rays at the top of the atmosphere? a. 1400 J b. 6000 J c. 10000 J d. 800 J
Last Answer : 1400 J
Description : In the process of radiation, energy is carried by electromagnetic waves. What is the speed of electromagnetic waves? A. 182,000 miles/second B. 184,000 miles/second C. 186,000 miles/second D. 188,000 miles/second
Last Answer : 186,000 miles/second
Description : What law states that entropy can be created but it cannot be destroyed? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Last Answer : Second law of thermodynamics
Description : What law provides an absolute reference point for the determination of entropy? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Description : What states that the entropy of a pure crystalline substance at absolute zero temperature is zero? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Description : Who discovered the thermodynamic property “Entropy” in 1865? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Description : A device that violates the second law of thermodynamics is called a ______. A. Perpetual motion machine of the second kind B. Universal machine of the second kind C. Ambiguous machine of the second kind D. Unique machine of the second kind
Last Answer : Perpetual motion machine of the second kind
Description : A device that violates either the first law of thermodynamics or the second law of thermodynamics is known as _____. A. Ambiguous machine B. Universal machine C. Perpetual-motion machine D. Unique machine
Last Answer : Perpetual-motion machine
Description : What statement of the second law of thermodynamics states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lower- ... A. Kelvin-Planck statement B. Clausius statement C. Kelvin statement D. Rankine statement
Last Answer : Clausius statement
Description : What law states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lowertemperature body to a highertemperature body? A. ... B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
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 : What states that if two bodies are in thermal equilibrium with a third body, they are also in equilibrium with each other? A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Last Answer : Zeroth law of thermodynamics
Description : What law asserts that energy has quality as well as quantity? A. First law of Thermodynamics B. Second law of Thermodynamics C. Third law of Thermodynamics D. Zeroth law of Thermodynamics
Last Answer : Second law of Thermodynamics
Description : What law asserts that energy is a thermodynamic property? A. First law of Thermodynamics B. Second law of Thermodynamics C. Third law of Thermodynamics D. Zeroth law of Thermodynamics
Last Answer : First law of Thermodynamics
Description : The measurement of a thermodynamic property known as temperature is based on A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. none of these
Last Answer : Answer: A
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
Description : When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. Kelvin Planck’s law
Last Answer : A. Zeroth law of thermodynamics
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
Description : The heat absorbed by a unit mass of a material at its holding point in order to convert the material into a gas at the same temperature. a. Latent Heat of Sublimation b. Latent Heat of Vaporization c. Latent Heat of Fusion d. Latent Heat Of Condensation
Last Answer : Latent Heat of Vaporization