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

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
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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

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

_________ 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

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

What is defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degrees Celsius?  a. Kilojoule  b. Btu  c. Kilocalorie  d. Latent heat

Description : What is defined as the quantity of heat needed to raise the temperature of one kilogram of water by one degrees Celsius?  a. Kilojoule  b. Btu  c. Kilocalorie  d. Latent heat

Last Answer : Kilocalorie

The mechanical equivalent of heat is  a. joule  b. calorie  c. Btu  d. Specific heat

Description : The mechanical equivalent of heat is  a. joule  b. calorie  c. Btu  d. Specific heat

Last Answer : joule

What is the SI unit of energy?  A. Newton  B. Btu  C. Calorie  D. Joule

Description : What is the SI unit of energy?  A. Newton  B. Btu  C. Calorie  D. Joule

Last Answer : Joule

The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called  A.specific heat at constant volume  B.specific heat at constant pressure  C.kilo Joule  D.none of these

Description : The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called  A.specific heat at constant volume  B.specific heat at constant pressure  C.kilo Joule  D.none of these

Last Answer : Answer: A

The specific heat at constant volume is  A. the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure  B. the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume  C. the amount of heat required to raise the temperature of 1 kg of water through one degree  D. any one of the above

Description : The specific heat at constant volume is  A. the amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure  B. the amount of heat required to raise ... to raise the temperature of 1 kg of water through one degree  D. any one of the above

Last Answer : Answer: B

A British Thermal Unit, or BTU, is the amount of heat required to raise one pound of what material one degree Fahrenheit?

Description : A British Thermal Unit, or BTU, is the amount of heat required to raise one pound of what material one degree Fahrenheit? 

Last Answer : ANSWER: WATER

What refers to the amount of heat needed to raise the temperature of an object by one degree Celsius or 1K?  A. Heat capacity  B. Specific heat  C. Latent heat  D. Molar heat

Description : What refers to the amount of heat needed to raise the temperature of an object by one degree Celsius or 1K?  A. Heat capacity  B. Specific heat  C. Latent heat  D. Molar heat

Last Answer : Heat capacity

What is defined as the energy required to raise the temperature of a unit mass of a substance by one degree?  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Description : What is defined as the energy required to raise the temperature of a unit mass of a substance by one degree?  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Last Answer : Specific heat

Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the (A) Latent heat (B) Humid heat (C) Specific heat (D) Sensible heat

Description : Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the (A) Latent heat (B) Humid heat (C) Specific heat (D) Sensible heat

Last Answer : (C) Specific heat

Entropy is measured in ______.  A. Joule/Kelvin  B. Joule-Meter/Kelvin  C. Meter/Kelvin  D. Newton/Kelvin

Description : Entropy is measured in ______.  A. Joule/Kelvin  B. Joule-Meter/Kelvin  C. Meter/Kelvin  D. Newton/Kelvin

Last Answer : Joule/Kelvin

The ______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree.  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Description : The ______ of a substance is the amount of heat that must be added or removed from a unit mass of the substance to change its temperature by one degree.  A. Latent heat of fusion  B. Molar heat  C. Specific heat capacity  D. Specific heat

Last Answer : Specific heat capacity

Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

Description : Find the change in internal energy of 5 lb. of oxygen gas when the temperature changes from 100 ˚F to 120 ˚F. CV = 0.157 BTU/lbm-˚R  A.14.7 BTU  B.15.7 BTU  C. 16.8 BTU  D. 15.9 BTU Formula: U= mcv T

Last Answer : 15.7 BTU

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) 839,000 joules  d) 419 000 joules Formula: J =Work/Heat J = mechanical equivalent of heat whose value is 4.19 joules/calorie

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

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

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

Calorie is a measure of  (a) specific heat  (b) quantity of heat  (c) thermal capacity  (d)entropy  (e) work.

Description : Calorie is a measure of  (a) specific heat  (b) quantity of heat  (c) thermal capacity  (d)entropy  (e) work.

Last Answer : Answer : b

What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled?  A. Rankine coefficient  B. Kelvin coefficient  C. Maxwell-Boltzmann coefficient  D. Joule-Thomson coefficient

Description : What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled?  A. Rankine coefficient  B. Kelvin coefficient  C. Maxwell-Boltzmann coefficient  D. Joule-Thomson coefficient

Last Answer : Joule-Thomson coefficient

Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Description : Find ∫ for steam at 100 psia and 600°F.If h = 1329.6 and v = 6.216  a. 1214 Btu / lb  b. 1234 Btu /lb  c. 1342 Btu / lb  d. 1324 Btu /lb formula: ∫ = h– pv/ J

Last Answer : 1214Btu / lb

A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. T2 = 2.620ºR, ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Description : A certain gas with cp = 0.529Btu/lb°R and R = 96.2ft/lbºR expands from 5 ft and 80ºF to 15 ft while the pressure remains constant at 15.5 psia.  a. T2=1.620ºR, ∫H = 122.83 Btu  b. T2 = 2°R, ∫H = 122.83 Btu  c. ... , ∫H = 122.83 Btu  d. T2 = 1°R, ∫H = 122.83 Btu T2= V2(t2)/V1 and ∫H = mcp (T2-T1)

Last Answer : T2=1.620ºR, ∫H = 122.83 Btu

Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Description : Helium ( R= 0.4698 BTU/lbm-˚R ) is compressed isothermally from 14.7 psia and 68 ˚F. The compression ratio is 1:4. Calculate the work done by the gas.  A. –1454 BTU/lbm  B. -364 BTU/lbm  C.-187BTU/lbm  D.46.7 BTU/lbm Formula: W = RT ln (V2/V1)

Last Answer : -364 BTU/lbm

Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Description : Calculate the entropy of steam at 60psiawith a quality of 0.8  A. 0.4274 BTU/lbm-˚R  B. 0.7303 BTU/lbm-˚R  C. 1.1577 BTU/lbm-˚R  D. 1.2172 BTU/lbm-˚R Formula: fromthe steamtable at 60 psia: sƒ = 0.4274 BTU/lbm-˚R sƒg = 1.2172 BTU/lbm-˚R) s = sƒ + x sƒg where x = is the quality

Last Answer : 1.1577 BTU/lbm-˚R

1 British thermal unit (BTU) is equivalent to how many joules?  A. 1016  B. 1043  C. 1023  D. 1054

Description : 1 British thermal unit (BTU) is equivalent to how many joules?  A. 1016  B. 1043  C. 1023  D. 1054

Last Answer : 1054

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

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

Reversed joule cycle is called  (a) Carnot cycle  (b) Rankine cycle  (c) Brayton cycle  (d) Bell Coleman cycle  (e) Dual cycle.

Description : Reversed joule cycle is called  (a) Carnot cycle  (b) Rankine cycle  (c) Brayton cycle  (d) Bell Coleman cycle  (e) Dual cycle.

Last Answer : Answer : c

The low temperature reservoir of the heat reservoirs is known as ______.  A. Source reservoir  B. Heel reservoir  C. Toe reservoir  D. Sink reservoir

Description : The low temperature reservoir of the heat reservoirs is known as ______.  A. Source reservoir  B. Heel reservoir  C. Toe reservoir  D. Sink reservoir

Last Answer : Sink reservoir

Who coined the word energy?  a. James Joule  b. Thomas Young  c. Rudolf Diesel  d. Kelvin

Description : Who coined the word energy?  a. James Joule  b. Thomas Young  c. Rudolf Diesel  d. Kelvin

Last Answer : Thomas Young

A Bell-Coleman cycle is a reversed of which the following cycles?  a. Stirling cycle  b. Joule cycle  c. Carnot cycle  d. Otto cycle

Description : A Bell-Coleman cycle is a reversed of which the following cycles?  a. Stirling cycle  b. Joule cycle  c. Carnot cycle  d. Otto cycle

Last Answer : Joule cycle

_________ is the unit of pressure and stress.  a) Newton  b) Pascal  c) Hertz  d) Joule

Description : _________ is the unit of pressure and stress.  a) Newton  b) Pascal  c) Hertz  d) Joule

Last Answer : Pascal

__________ is the unit of force.  a) Newton  b) Pascal  c) Hertz  d) Joule

Description : __________ is the unit of force.  a) Newton  b) Pascal  c) Hertz  d) Joule

Last Answer : Newton

One joule is equivalent to one _____.  A. Kg m/ s^2 ∙  B. Kg m^2/s^2 ∙  C. Kg m^2/s ∙  D. Kg m/s

Description : One joule is equivalent to one _____.  A. Kg m/ s^2 ∙  B. Kg m^2/s^2 ∙  C. Kg m^2/s ∙  D. Kg m/s

Last Answer : Kg m^2/s^2

The efficiency of Joule cycle is  A. greater than Carnot cycle  B. less than Carnot cycle  C. equal to Carnot cycle  D. none of these

Description : The efficiency of Joule cycle is  A. greater than Carnot cycle  B. less than Carnot cycle  C. equal to Carnot cycle  D. none of these

Last Answer : Answer: B

The following cycle is used for air craft refrigeration  (a) Brayton cycle  (b) Joule cycle  (c) Carnot cycle  (d) Bell-Coleman cycle  (e) Reversed-Brayton cycle.

Description : The following cycle is used for air craft refrigeration  (a) Brayton cycle  (b) Joule cycle  (c) Carnot cycle  (d) Bell-Coleman cycle  (e) Reversed-Brayton cycle.

Last Answer : Answer : e

Which of the following cycles has maximum efficiency  (a) Rankine  (b) Stirling  (c) Carnot  (d) Brayton  (e) Joule.

Description : Which of the following cycles has maximum efficiency  (a) Rankine  (b) Stirling  (c) Carnot  (d) Brayton  (e) Joule.

Last Answer : Answer : c

Which of the following cycles is not a reversible cycle  (a) Carnot  (b) Ericsson  (c) Stirling  (d) Joule  (e) none of the above.

Description : Which of the following cycles is not a reversible cycle  (a) Carnot  (b) Ericsson  (c) Stirling  (d) Joule  (e) none of the above.

Last Answer : Answer : e

A cycle consisting of two adiabatics and two constant pressure processes is known as  (a) Otto cycle  (b) Ericsson cycle  (c) Joule cycle  (d) Stirling cycle  (e) Atkinson cycle.

Description : A cycle consisting of two adiabatics and two constant pressure processes is known as  (a) Otto cycle  (b) Ericsson cycle  (c) Joule cycle  (d) Stirling cycle  (e) Atkinson cycle.

Last Answer : Answer : c

Thermal power plant works on  (a) Carnot cycle  (b) Joule cycle  (d) Rankine cycle  (d) Otto cycle  (e) Brayton cycle.

Description : Thermal power plant works on  (a) Carnot cycle  (b) Joule cycle  (d) Rankine cycle  (d) Otto cycle  (e) Brayton cycle.

Last Answer : Answer : c

The unit of power in S.I. units is  (a) newton  (b) pascal  (c) erg  (d) watt  (e) joule.

Description : The unit of power in S.I. units is  (a) newton  (b) pascal  (c) erg  (d) watt  (e) joule.

Last Answer : Answer : d

The unit of energy in S.I. units is  (a) watt  (b) joule  (c) joule/s  (d) joule/m  (e) joule m.

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

One calorie is equal to _________.  a. 1/180 W.h  b. 1/860 W.h  c. 1/360 W.h  d. 1/250 W.h

Description : One calorie is equal to _________.  a. 1/180 W.h  b. 1/860 W.h  c. 1/360 W.h  d. 1/250 W.h

Last Answer : 1/860 W.h

One calorie is equivalent to how many joules?  A. 4.448  B. 4.184  C. 4.418  D. 4.814

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

Which is NOT a correct statement?  A. A superheated vapor will not condense when small amount of heat re removed  B. An ideal gas is a gas that is not a superheated vapor  C. A saturated liquid can absorb as much heat as it can without vaporizing  D. Water at 1 atm and room temperature is subcooled

Description : Which is NOT a correct statement?  A. A superheated vapor will not condense when small amount of heat re removed  B. An ideal gas is a gas that is not a superheated vapor  C. A saturated ... absorb as much heat as it can without vaporizing  D. Water at 1 atm and room temperature is subcooled

Last Answer : An ideal gas is a gas that is not a superheated vapor

Amount of heat needed to rate the temperature of a substance by 1°C  a. Heat Exchange  b. Heat Engine  c. Specific Heat  d. None of the above

Description : Amount of heat needed to rate the temperature of a substance by 1°C  a. Heat Exchange  b. Heat Engine  c. Specific Heat  d. None of the above

Last Answer : Specific Heat

What is the resulting pressure when one pound of air at 15 psia and 200 ˚F is heated at constant volume to 800 ˚F?  A.15 psia  B. 28.6 psia  C. 36.4 psia.  D. 52.1 psia Formula : T1/p1 = T2/p2 p2= p1T2 / T1

Description : What is the resulting pressure when one pound of air at 15 psia and 200 ˚F is heated at constant volume to 800 ˚F?  A.15 psia  B. 28.6 psia  C. 36.4 psia.  D. 52.1 psia Formula : T1/p1 = T2/p2 p2= p1T2 / T1

Last Answer : 28.6 psia

Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Description : Steam at 1000 lbf/ft^2 pressure and 300˚R has specific volume of 6.5 ft^3/lbm and a specific enthalpy of 9800 lbf-ft/lbm. Find the internal energy per pound mass of steam.  A.2500 lbf-ft/lbm  B.3300 lbf-ft/lbm  C.5400 lbf-ft/lbm  D.6900 lbf-ft/lbm Formula: h= u+ pV u= h– pV

Last Answer : 3300 lbf-ft/lbm

If there is no heat transferred during the process, it is called a ______ process.  A. Static  B. Isobaric  C. Polytropic  D. Adiabatic

Description : If there is no heat transferred during the process, it is called a ______ process.  A. Static  B. Isobaric  C. Polytropic  D. Adiabatic

Last Answer : Adiabatic

The _________ is defined as the amount of heat required to change the temperature of 1 gram of water by 1 Celsius degree.

Description : The _________ is defined as the amount of heat required to change the temperature of 1 gram of water by 1 Celsius degree.  a. specific heat  b. latent heat  c. Joule  d. calorie

Last Answer : calorie

Entropy is transferred by ______.  A. Work  B. Heat  C. Energy  D. Work and heat

Description : Entropy is transferred by ______.  A. Work  B. Heat  C. Energy  D. Work and heat

Last Answer : Heat

The term “adiabatic” comes from Greek “adiabatos” which means ______.  A. No heat  B. No transfer  C. Not to be passed  D. No transformation

Description : The term “adiabatic” comes from Greek “adiabatos” which means ______.  A. No heat  B. No transfer  C. Not to be passed  D. No transformation

Last Answer : Not to be passed