Description : A control volume refers to what? a. A fixed region in space b. A reversible process c. an isolated system d. a specified mass
Last Answer : A fixed region in space
Description : In the production of wave energy ________ form of energy is used. a) Potential energy b) Kinetic energy c) Solar energy d) Wind energy
Last Answer : wind energy
Description : 66. The energy used by any manufacturing process varies with a) Production volume b) Type of process c) Resource input d) All the above
Last Answer : All the above
Description : What are the assumptions of the kinetic gas theory? A. Gas molecules do not attract each other B. The volume of the gas molecules is negligible compared to the volume of the gas C. The molecules behave like hard spheres D. All of the above
Last Answer : All of the above
Description : An ideal gas as compared to a real gas at very high pressure occupies (a) more volume (b) less volume (c) same volume (d) unpredictable behaviour (e) no such correlation.
Last Answer : Answer : a
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
Description : What remains constant during a steady-flow process? A. Mass B. Energy content of the control volume C. Temperature D. Mass and energy content of the control volume
Last Answer : Mass and energy content of the control volume
Description : An open system may refer to ______. A. Control mass B. Control volume C. Control energy D. Control temperature
Last Answer : Control volume
Description : A closed system may refer to ______. A. Control mass B. Control volume C. Control energy D. Control temperature
Last Answer : Control mass
Description : Which is NOT an extensive property of thermodynamics? A. Density B. Mass C. Volume D. Energy
Last Answer : Density
Description : According to kinetic theory of gases, the absolute zero temperature is attained when (a) volume of the gas is zero (b) pressure of the gas is zero (c) kinetic energy of the molecules is zero (d) specific heat of gas is zero (e) mass is zero.
Last Answer : Answer : c
Description : ________ will provide indications of effectiveness of your operations. a) Benchmarking b) Stops c) Production d) machines
Last Answer : Benchmarking
Description : In any industry three top operating expenses are found to be ________. a) wnergy. b) labour cost c) all of the above d) material
Last Answer : all of the above
Description : What is referred to by control volume? a. An isolated system b. Closed system c. Fixed region in space d. Reversible process only
Last Answer : Fixed region in space
Description : A Thermodynamic Term That refers to any fixed region in a space a. Control Volume b. Volume c. Density d. Natural Gas
Last Answer : Control Volume
Description : What is defined a region in space chosen for study? A. Surroundings B. System C. Boundary D. Volume
Last Answer : System
Description : The following type of layout is preferred for low volume production of non-standard products a.Product layout b.Process layout c.Fixed-position layout d.GT layout
Last Answer : b.Process layout
Description : An irreversible or permanent increase in size, mass or volume of a cell, organ or organism is called as ________.
Last Answer : An irreversible or permanent increase in size, mass or volume of a cell, organ or organism is called as ________.
Description : At absolute zero temperature, the __________ of the gas is zero. (A) Pressure (B) Volume (C) Mass (D) None of these
Last Answer : (B) Volume
Description : A cylinder contains oxygen at a pressure of 10 atm and a temperature of 300 K. The volume of the cylinder is 10 liters. What is the mass of the oxygen in grams? Molecular weight (MW) of oxygen is 32 g/mole? a. 125.02 b. 130.08 c. 135.05 d. 120.04
Last Answer : 130.08 {(10atm)(10)(32)/(0.0821) (300K)}
Description : _______ of a body means the force of the gravity Fg on the body a. Mass b. Weight c. Density d. Volume
Last Answer : Weight
Description : ______ of a Body is the absolute quantity of a matter in it. a. Mass b. Weight c. Density d. Volume
Last Answer : Mass
Description : Mass (not weight) per unit volume a. Specific Weight b. Specific Volume c. Density d. None of the above
Description : A certain fluid is flowing in a 0.5m x 0.3 channel at the rate of 3 m/s and has a specific volume of 0.012 m³/kg. Determined the mass of water flowing in kg/s. a. 267 kg/s b. 378 kg/s c. 375 kg/s d. 456.5 kg/s m = Aν/V
Last Answer : 375 kg/s
Description : A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor. A. 0.99kg B. 1.57 kg C ... / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg
Last Answer : 3.16 kg
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 : Is the amount of a substance that contains Avogadro’s number of atoms/molecules. a. mass b. matter c. gram-mole d. volume
Last Answer : gram-mole
Description : The mass of one mole of a substance in grams is known as ______. A. Molar weight B. Molar mass C. Molar volume D. Molar constant
Last Answer : Molar mass
Description : The temperatures of the ideal gas temperature scale are measured by using a ______. A. Constant-volume gas thermometer B. Constant-mass gas thermometer C. Constant-temperature gas thermometer D. Constant-pressure gas thermometer
Last Answer : Constant-volume gas thermometer
Description : What does the tem “uniform” implies? A. No change with volume B. No change with time C. No change with location D. No change with mass
Last Answer : No change with location
Description : What does the term “steady” implies? A. No change with volume B. No change with time C. No change with location D. No change with mass
Last Answer : No change with time
Description : What is the mass or region outside the system called? A. Surroundings B. Boundary C. Volume D. Environment
Last Answer : Surroundings
Description : The heat supplied to the gaS at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 – T1 = Rise in temperature, and R = Gas constant) A. mR(T2 – T1) B. mcv(T2 – T1) C. mcp(T2 – T1) D. mcp(T2 + T1)
Last Answer : Answer: B
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
Description : The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Charles’ law. A. Yes B. No
Description : According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant. A. directly B. indirectly
Last Answer : Answer: A
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
Description : Entropy change depends on (a) heat transfer (b) mass transfer (c) change of temperature (d) thermodynamic state (e) change of pressure and volume.
Description : Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure (a) enthalpy (b) volume (c) mass (d) entropy (e) specific volume.
Last Answer : Answer : b
Description : Extensive property of a system is one whose value (a) depends on the mass of the system like volume (b) does not depend on the mass of the system, like temperature, pressure, etc. (c) is not ... the state (d) is dependent on the path followed and not on the state (e) is always constant.
Description : Intensive property of a system is one whose value (a) depends on the mass of the system, like volume (b) does not depend on the mass of the system, like temperature, pressure, etc. (c) is not ... on the state (d) is dependent on the path followed and not on the state (e) remains constant.
Description : According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as (a) temperature (b) absolute (c) absolute temperature, if volume is kept constant ... , if temperature is kept constant (e) remains constant,if volume and temperature are kept constant.
Description : Which of the following variables controls the physical properties of a perfect gas (a) pressure (b) temperature (c) volume (d) all of the above (e) atomic mass.
Last Answer : Answer : d
Description : In ________ marketing, the seller engages in the mass production, mass distribution, and mass promotion of one product for all buyers. A. Group B. Mass C. General D. Segmented E. Differentiated
Last Answer : B. Mass
Description : Boiling temperature of a material is dependent on its _________. a. volume b. power c. heat d. pressure
Last Answer : pressure
Description : Which of the following are examples of appropriate applications of additive manufacturing inthe actual production of parts and products? a.Castings made in small quantities b.Plastic parts in small batch sizes c.Mass-produced metal parts d.Special textile products
Last Answer : b.Plastic parts in small batch sizes
Description : The percentage of energy saved at the current rate of use, compared to the reference year rate of use, is called a) Energy Utilization b) Energy Performance c) Energy Efficiency d) None
Last Answer : Energy Performance
Description : The percentage of energy saved at the current rate of use ,compared to the refference year rate of use is called…….. a) Energy Utilization b) Energy Performance c) Energy Efficiency d) None
Description : The following is basically a material flow simplification technique a.A simple and visual method of cell design b.Family formation by classification and codification c.Cell formation using Production Flow Analysis d.All of the above
Last Answer : c.Cell formation using Production Flow Analysis