14.696 psia = _____ mmHg  a. 760  b. 1  c. 350  d. None of the above

14.696 psia = _____ mmHg
 a. 760
 b. 1
 c. 350
 d. None of the above
by

1 Answer

Answer :

1
by

Related questions

The standard reference atmospheric pressure  a. 760 mmHg  b. 1 atm  c. 14.696 psia  d. All of the above

Description : The standard reference atmospheric pressure  a. 760 mmHg  b. 1 atm  c. 14.696 psia  d. All of the above

Last Answer : All of the above

A pressure gage registers 50 psig in a region where the barometer is 14.25 psia. Find absolute pressure in psia, Pa. (Formula; p = patm+ pg)  a. 433 kPa  b. 443 kPa  c. 343 kPa  d. None of the above

Description : A pressure gage registers 50 psig in a region where the barometer is 14.25 psia. Find absolute pressure in psia, Pa. (Formula; p = patm+ pg)  a. 433 kPa  b. 443 kPa  c. 343 kPa  d. None of the above

Last Answer : 443 kPa

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

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

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

3.0 lbm of air are contained at 25 psia and 100 ˚F. Given that Rair = 53.35 ft-lbf/lbm- ˚F, what is the volume of the container?  A.10.7 ft^3  B.14.7 ft^3  C.15 ft^3  D.24.9 ft^3 Formula: use the ideal gas law pV = mRT T = (100 +460) ˚R V = mRT/p

Description : 3.0 lbm of air are contained at 25 psia and 100 ˚F. Given that Rair = 53.35 ft-lbf/lbm- ˚F, what is the volume of the container?  A.10.7 ft^3  B.14.7 ft^3  C.15 ft^3  D.24.9 ft^3 Formula: use the ideal gas law pV = mRT T = (100 +460) ˚R V = mRT/p

Last Answer : 24.9 ft^3

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

A certain gas, with cp = 0.529Btu/lb.°R and R = 96.2 ft.lb/lb.°R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5 psia. Compute for T2. (Formula: T2= T1V2/V1)  a. 460°R  b. 270°R  c. 1620 °R  d. None of the above

Description : A certain gas, with cp = 0.529Btu/lb.°R and R = 96.2 ft.lb/lb.°R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5 psia. Compute for T2. (Formula: T2= T1V2/V1)  a. 460°R  b. 270°R  c. 1620 °R  d. None of the above

Last Answer : 1620 °R

Ten cu ft. of air at 300 psia 400°F is cooled to 140°F at constant volume. What is the final pressure? (formula: p2 = p1T2/T1)  a. 0  b. 209 psia  c. - 420 psia  d. None of the above

Description : Ten cu ft. of air at 300 psia 400°F is cooled to 140°F at constant volume. What is the final pressure? (formula: p2 = p1T2/T1)  a. 0  b. 209 psia  c. - 420 psia  d. None of the above

Last Answer : 209 psia

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

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

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

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

Barometric pressure is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) 100mm Hg.

Description : Barometric pressure is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) 100mm Hg.

Last Answer : Answer : a

I kgf/cm2 is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) l00 mm Hg.

Description : I kgf/cm2 is equal to  (a) 760 mm Hg  (b) zero mm Hg  (c) 735.6 mm Hg  (d) 1 mm Hg  (e) l00 mm Hg.

Last Answer : Answer : c

A vertical column of water will be supported to what height by standard atmospheric pressure. If the Y w = 62.4lb/ft3 po = 14.7 psi.  a. 44.9 ft  b. 33.9 ft  c. 22.9 ft  d. 55.9 ft formula: ho= po/Yw

Description : A vertical column of water will be supported to what height by standard atmospheric pressure. If the Y w = 62.4lb/ft3 po = 14.7 psi.  a. 44.9 ft  b. 33.9 ft  c. 22.9 ft  d. 55.9 ft formula: ho= po/Yw

Last Answer : 33.9 ft

Gas is enclosed in a cylinder with a weighted piston as the stop boundary. The gas is heated and expands from a volume of 0.04 m^3 to 0.10 m^3 at a constant pressure of 200kPa.Calculate the work done by the system.  A. 8 kJ  B. 10 kJ  C.12 kJ  D.14 kJ Formula: W = p(V2-V1)

Description : Gas is enclosed in a cylinder with a weighted piston as the stop boundary. The gas is heated and expands from a volume of 0.04 m^3 to 0.10 m^3 at a constant pressure of 200kPa.Calculate the work done by the system.  A. 8 kJ  B. 10 kJ  C.12 kJ  D.14 kJ Formula: W = p(V2-V1)

Last Answer : 12 kJ

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

If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.)  A.9.8 ft^3/lbm  B.11.2 ft^3/lbm  C.13.33 ft^3/lbm  D.14.2 ft^3/lbm Formula: pv = RT v = RT / p

Description : If air is at pressure, p, of 3200 lbf/ft2 , and at a temperature, T, of 800 ˚R, what is the specific volume, v? (R=5303 ft-lbf/lbm-˚R, and air can be modeled as an ideal gas.)  A.9.8 ft^3/lbm  B.11.2 ft^3/lbm  C.13.33 ft^3/lbm  D.14.2 ft^3/lbm Formula: pv = RT v = RT / p

Last Answer : 13.33 ft^3/lbm

Which of the following is NOT a value of the standard atmospheric pressure?  A. 1 bar  B. 1 atm  C. 1 kgf/cm^2  D. 14.223 psi

Description : Which of the following is NOT a value of the standard atmospheric pressure?  A. 1 bar  B. 1 atm  C. 1 kgf/cm^2  D. 14.223 psi

Last Answer : 14.223 psi

The atomic mass of oxygen is  A. 12  B. 14  C. 16  D. 32

Description : The atomic mass of oxygen is  A. 12  B. 14  C. 16  D. 32

Last Answer : Answer: C

_____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Description : _____ is that property of a substance which remains constant if no heat enters or leaves the substance, while it does work or alters its volume, but which increases or diminishes should a small amount of heat enter or leave.  a. Entrophy  b. Enthalpy  c. Specific Heat  d. None of the above

Last Answer : Entrophy

212 °C = _____ K  a. 485  b. 435  c. 498  d. None of the above

Description : 212 °C = _____ K  a. 485  b. 435  c. 498  d. None of the above

Last Answer : 485

212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Description : 212 °F = _____ °C  a. 200  b. 150  c. 100  d. None of the above

Last Answer : 100

876 °R = _____ °F  a. 335  b. 416  c. 400  d. None of the above

Description : 876 °R = _____ °F  a. 335  b. 416  c. 400  d. None of the above

Last Answer : 416

An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Description : An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____.  A. Isochoric process  B. Isobaric process  C. Throttling process  D. Quasistatic process

Last Answer : Throttling process

An ideal gas whose specific heats are constant is called _____.  A. Perfect gas  B. Natural gas  C. Artificial gas  D. Refined gas

Description : An ideal gas whose specific heats are constant is called _____.  A. Perfect gas  B. Natural gas  C. Artificial gas  D. Refined gas

Last Answer : Perfect gas

A device that violates the first law of thermodynamics is called a _____.  A. Perpetual-motion machine of the first kind  B. Universal machine of the first kind  C. Ambiguous machine of the first kind  D. Unique machine of the first kind

Description : A device that violates the first law of thermodynamics is called a _____.  A. Perpetual-motion machine of the first kind  B. Universal machine of the first kind  C. Ambiguous machine of the first kind  D. Unique machine of the first kind

Last Answer : Perpetual-motion machine of the first kind

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

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

Thermal radiation is an electromagnetic radiation with wavelengths in _____ range.  A. 1 to 100 µm  B. 0.1 to 100 µm  C. 0.1 to 10 µm  D. 10 to 100 µm

Description : Thermal radiation is an electromagnetic radiation with wavelengths in _____ range.  A. 1 to 100 µm  B. 0.1 to 100 µm  C. 0.1 to 10 µm  D. 10 to 100 µm

Last Answer : 0.1 to 100 µm

A vapor that is not about to condense is called _____ vapor.  A. Saturated  B. Compressed or subcooled  C. Superheated  D. Unsaturated

Description : A vapor that is not about to condense is called _____ vapor.  A. Saturated  B. Compressed or subcooled  C. Superheated  D. Unsaturated

Last Answer : Superheated

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 difference between the absolute pressure and the atmospheric pressure is called the _____ pressure.  A. Gage  B. Normal  C. Standard  D. Vacuum

Description : The difference between the absolute pressure and the atmospheric pressure is called the _____ pressure.  A. Gage  B. Normal  C. Standard  D. Vacuum

Last Answer : Gage

The sum of all the microscopic form of energy is called _____.  A. Total energy  B. Internal energy  C. System energy  D. Phase energy

Description : The sum of all the microscopic form of energy is called _____.  A. Total energy  B. Internal energy  C. System energy  D. Phase energy

Last Answer : Internal energy

Without electrical, mechanical, gravitational, surface tension and motion effects, a system is called _____ system.  A. Simple  B. Simple compressible  C. Compressible  D. Independent

Description : Without electrical, mechanical, gravitational, surface tension and motion effects, a system is called _____ system.  A. Simple  B. Simple compressible  C. Compressible  D. Independent

Last Answer : Simple compressible

Extensive properties per unit mass are called _____.  A. Specific properties  B. Relative properties  C. Unit properties  D. Phase properties

Description : Extensive properties per unit mass are called _____.  A. Specific properties  B. Relative properties  C. Unit properties  D. Phase properties

Last Answer : Specific properties

The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Description : The thermodynamic properties that are dependent on the size or extent of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Last Answer : Extensive property

The thermodynamic properties that are independent on the size of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Description : The thermodynamic properties that are independent on the size of the system is called _____.  A. Extensive property  B. Intensive property  C. Open property  D. Closed property

Last Answer : Intensive property

Any characteristic of a thermodynamics system is called a _____.  A. Property  B. Process  C. Phase  D. Cycle

Description : Any characteristic of a thermodynamics system is called a _____.  A. Property  B. Process  C. Phase  D. Cycle

Last Answer : Property

The boundaries of a control volume, which may either real or imaginary is called _____.  A. Control boundary  B. Control system  C. Interface  D. Control surface

Description : The boundaries of a control volume, which may either real or imaginary is called _____.  A. Control boundary  B. Control system  C. Interface  D. Control surface

Last Answer : Control surface

A system in which there is a flow of mass is known as _____.  A. Equilibrium system  B. Isolated system  C. Open system  D. Closed system

Description : A system in which there is a flow of mass is known as _____.  A. Equilibrium system  B. Isolated system  C. Open system  D. Closed system

Last Answer : Open system

A system which consists of fixed amount of mass and no mass can cross its boundary called _____.  A. Equilibrium system  B. Thermal equilibrium system  C. Open system  D. Closed system

Description : A system which consists of fixed amount of mass and no mass can cross its boundary called _____.  A. Equilibrium system  B. Thermal equilibrium system  C. Open system  D. Closed system

Last Answer : Closed system

If the first ionization energy of magnesium is 176 kilocalories per mole, one would expect the second ionization energy t be approximately: w) 350 kilocalories per mole x) 1,760 kilocalories per mole y) 200 kilocalories per mole z) 20 kilocalories per mole

Description : If the first ionization energy of magnesium is 176 kilocalories per mole, one would expect the second ionization energy t be approximately: w) 350 kilocalories per mole x) 1,760 kilocalories per mole y) 200 kilocalories per mole z) 20 kilocalories per mole

Last Answer : ANSWER: W -- 350 KILOCALORIES PER MOLE 

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

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

It is used for gas turbines which operates on an open cycle where both the compression and expansion processes take place in rotating machinery.  a. Dual Cycle  b. Otto Cycle  c. Carnot Cycle  d. Brayton Cycle

Description : It is used for gas turbines which operates on an open cycle where both the compression and expansion processes take place in rotating machinery.  a. Dual Cycle  b. Otto Cycle  c. Carnot Cycle  d. Brayton Cycle

Last Answer : Brayton Cycle

The Science of Energy  a. Thermionics  b. Kinetics  c. Thermodynamics  d. Geophysics

Description : The Science of Energy  a. Thermionics  b. Kinetics  c. Thermodynamics  d. Geophysics

Last Answer : Thermodynamics

Which of the engine is used for fighter bombers?  a. Turbojet  b. Pulsejet  c. Rockets  d. Ramjet

Description : Which of the engine is used for fighter bombers?  a. Turbojet  b. Pulsejet  c. Rockets  d. Ramjet

Last Answer : Turbojet

It is the unbalanced force developed in a turbo jet engine that is caused by the difference in the momentum of the low-velocity air entering the engine and the high velocity exhaust gases leaving the engine.  a. Fall  b. Lift  c. Drag  d. Thrust

Description : It is the unbalanced force developed in a turbo jet engine that is caused by the difference in the momentum of the low-velocity air entering the engine and the high velocity exhaust gases leaving the engine.  a. Fall  b. Lift  c. Drag  d. Thrust

Last Answer : Thrust

Executes the entire cycle in just two strokes the power stroke and the compression stroke.  a. One-stroke engine  b. Two-stroke engine  c. Four-stroke engine  d. Eight-stroke engine

Description : Executes the entire cycle in just two strokes the power stroke and the compression stroke.  a. One-stroke engine  b. Two-stroke engine  c. Four-stroke engine  d. Eight-stroke engine

Last Answer : Two-stroke engine

Energy can neither created nor destroyed. It can only change forms.  a. Conservation of Mass Principle  b. Conservation of Energy Principle  c. Conservation of Momentum Principle  d. Conservation of Heat Principle

Description : Energy can neither created nor destroyed. It can only change forms.  a. Conservation of Mass Principle  b. Conservation of Energy Principle  c. Conservation of Momentum Principle  d. Conservation of Heat Principle

Last Answer : Conservation of Energy Principle

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

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