【Test Your Knowledge】Basic Chemical Engineering Knowledge (13)
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1. Gas compression machinery is classified according to its compression ratio into four categories: __________, ________, _______________, and ________________. 2. Depending on the methods used in distillation, it can be divided into ___________, ___________, and _______________. 3. The current technical standards in our country are __________, ___________, ____________, ____________. 4. The fundamental equation of hydrostatics is ___________________, and from this equation, the variation pattern of ___________________________ can be determined. 5. Based on different principles, pumps are generally divided into three categories: ________, ________, _______________. 6. The four stages of the PDCA cycle in quality management are ______, ______, ______, and _______. Answer key: 1. Compressor, blower, ventilator, vacuum pump 2. Simple distillation, fractional distillation, special distillation 3. **Standard, industry standard, local standard, enterprise standard 4. P1 = P0 + ρhg, pressure inside a static fluid 5. Positive displacement pump, rotary vane pump, fluid-driven pump 6. Plan, implement, inspect, summarize. Did you get it right? This post was last edited by zhangyong6404 on 2009-3-27 16:16.]
1. (1) Ventilator: Outlet pressure not exceeding 1.47×104 Pa (gauge pressure), compression ratio of 1~1.15； (2) Blower: Outlet pressure is (1.47~29.4)×104 Pa (gauge pressure), with a compression ratio of less than 4 ； (3) Compressor: Outlet pressure of 2.94×104 Pa (gauge pressure) or higher, with a compression ratio greater than 4 ； (4) Vacuum pump: Used for reducing pressure; the outlet pressure is 1 atmosphere, and its compression ratio is determined by the degree of vacuum. 2. Single distillation, fractional distillation, and special distillations. 3. Unclear. 4. dp+ρgdz=0 – The law governing pressure changes within a stationary liquid. 5. Impeller pumps, positive displacement pumps, jet pumps. 6. Plan (planning), Do (execution), Check (verification), and Action (taking action)
1. Divided into four categories: ventilators, blowers, compressors, and vacuum pumps. 2. Divided into flash distillation, simple distillation, and fractional distillation. 3. There are **standard, industry standards, local standards, and enterprise standards**. 4. p2 = p1 + ρg(z1-z2); this is the rule governing pressure changes in a stationary fluid. 5. Divided into dynamic types, positive-displacement types, and other types. 6. Plan, do, check, act
1. Ventilators, blowers, compressors, vacuum pumps 2. Atmospheric pressure, pressurized conditions, reduced pressure (vacuum) 3. Basic standards, general standards, specialized standards, related basic standards 4. p=pa+γh; in a stationary, continuous fluid of the same type, the pressure is equal at all points on the same horizontal level 5. Positive displacement pumps, dynamic pumps, and other types of pumps 6. Plan–Implement–Check–Act (improve)
Give it a try. 1. Gas compression machinery is classified according to its compression ratio into four categories: _ventilators_, __blowers_, __compressors__, and __vacuum pumps__. 2. Depending on the methods used in distillation operations, it can be divided into _equilibrium distillation_, ___simple distillation_, and ___fractional distillation_. 3. The current technical standards in our country include __**national standards__, ___industry standards__, ___local standards__, and ___enterprise standards__. 4. The fundamental equation of hydrostatics is ___ p = p0 + ρgh __; from this equation, one can determine the pattern of change in __pressure within a stationary fluid__. 5. Based on different principles, pumps are generally classified into three categories: _positive displacement pumps_, _impeller pumps_, and _jet pumps_. 6. The four stages of the PDCA cycle in quality management are __Planning_, __Execution_, __Checking_, and __Action_.
1. Ventilators ___, __ compressors ____, __ blowers ____, ___ vacuum pumps. 2. Atmospheric distillation, _vacuum distillation_, and _pressure distillation_. 3. National standards _, industry standards _, enterprise standards _, local standards _. 4. p2 = p1 + ρg(h2 – h1); pressure distribution within a liquid. 5. Positive displacement pumps _, vane pumps _, jet pumps _. 6. _Planning_, execution, inspection _, _handling_
1. Ventilators, compressors, blowers, vacuum pumps. 2. Atmospheric distillation, vacuum distillation, and pressure distillation _ 3. National standards, industry standards, enterprise standards, regional standards 4. p2 = p1 + ρg(h2 – h1), pressure distribution within a liquid 5. Positive displacement pumps, vane pumps, jet pumps 6. Planning, execution, processing, inspection
Vacuum pumps, ventilators, blowers, compressors; vacuum pumps for depressurization, normal pressure, and pressurization. **Standard, industry standards, local standards, and enterprise standards. dp+ρgdz=0. Impeller pumps, positive displacement pumps, jet pumps (this one can be determined, haha). p (plan) denotes plan； d (do) indicates execution ； c (check) means to inspect ； a (action) denotes processing
1. Four categories: ventilators, blowers, compressors, and vacuum pumps. 2. Flash (simple distillation), distillation, and special distillation methods. 3. **Standards: national standards, industry standards, local standards, and enterprise standards.** 4. p2 = p1 + ρg(z1–z2); the variation of static pressure within a stationary fluid with height. 5. Dynamic action types, reciprocating types, and centrifugal types; rotary types (four types in total). 6. Plan, Do, Check, Act
1. (1) Ventilator: Outlet pressure not exceeding 1.47×104 Pa (gauge pressure), compression ratio of 1~1.15； (2) Blower: Outlet pressure is (1.47~29.4)×104 Pa (gauge pressure), with a compression ratio of less than 4 ； (3) Compressor: Outlet pressure of 2.94×104 Pa (gauge pressure) or higher, with a compression ratio greater than 4 ； (4) Vacuum pump: Used for reducing pressure; the outlet pressure is 1 atmosphere, and its compression ratio is determined by the degree of vacuum. 2. Single distillation, fractional distillation, and special distillations. 3. National standards, industry standards, enterprise standards, and local standards. 4. dp + ρgdz = 0 – The law governing pressure changes within a stationary liquid. 5. Impeller pumps, positive displacement pumps, and jet pumps. 6. Plan (planning), Do (execution), Check (inspection), and Action (taking action)
Ventilators, blowers, compressors, vacuum pumps; simple distillation, equilibrium distillation (flash distillation), distillation. **Standards: national standards, industry standards, local standards, enterprise standards. p2 = p1 + ρg△h – the law governing pressure changes in stationary fluids; dynamic types, positive-displacement types, fluid-action types; planning, execution, inspection, action
Vacuum pumps, ventilators, blowers, compressors; vacuum pumps for depressurization, normal pressure, and pressurization. **Standard, industry standards, local standards, and enterprise standards. dp+ρgdz=0. Impeller pumps, positive displacement pumps, jet pumps (this one can be determined, haha). p (plan) denotes plan； d (do) indicates execution ； c (check) means to inspect ； a (action) denotes processing
1. (1) Ventilator: Outlet pressure not exceeding 1.47×104 Pa (gauge pressure), compression ratio of 1~1.15； (2) Blower: Outlet pressure is (1.47~29.4)×104 Pa (gauge pressure), with a compression ratio of less than 4 ； (3) Compressor: Outlet pressure of 2.94×104 Pa (gauge pressure) or higher, with a compression ratio greater than 4 ； (4) Vacuum pump: Used for reducing pressure; the outlet pressure is 1 atmosphere, and its compression ratio is determined by the degree of vacuum. 2. Single distillation, fractional distillation, and special distillations. 3. Unclear. 4. dp+ρgdz=0 – The law governing pressure changes within a stationary liquid. 5. Impeller pumps, positive displacement pumps, jet pumps. 6. Plan (planning), Do (execution), Check (verification), and Action (taking action)
1. Ventilators, blowers, compressors, vacuum pumps 2. Simple distillation, fractional distillation, special distillation 3. **Standards, industry standards, local standards, enterprise standards** 4. p2=p1+ρg(h1-h2) or p2=p0+ρgh – the law governing pressure changes in a stationary fluid 5. Centrifugal, positive-displacement (positive-volume), hydrodynamic types 6. p (plan) – plan； d (do) execute ； c (check) Check ； a (action) processing.
1. Gas compression machinery is classified according to its compression ratio into four categories: ___ventilators_______, _blowers_, _compressors_____, and __vacuum pumps__. 2. Depending on the methods used in distillation operations, it can be divided into ____batch distillation_____, _____rectification____, and ___special distillation_____. 3. China’s current technical standards consist of _______ basic standards___, ___product standards________, _______, method standards_____， and _____standards for safety, hygiene, and environmental protection_____. 4. The basic equation of hydrostatics is ____P=P0+ρgh_________________. From this equation, it can be seen how the pressure within a fluid changes with density and height ___________________________. 5. Based on different principles, pumps are generally divided into three categories: _dynamic pumps_, _positive displacement pumps_, and _other types of pumps_. 6. The four stages of the PDCA cycle in quality management are _. p (plan) represents a plan ； d (do) indicates execution ； c (check) means to inspect ； a (action) denotes processing.
Vacuum pumps, ventilators, blowers, compressors; vacuum pumps for depressurization, normal pressure, and pressurization. **Standard, industry standards, local standards, and enterprise standards. dp+ρgdz=0. Impeller pumps, positive displacement pumps, jet pumps (this one can be determined, haha). p (plan) denotes plan； d (do) indicates execution ； c (check) means to inspect ； a (action) denotes processing
1. Ventilators, blowers, compressors, vacuum pumps 2. Atmospheric pressure, pressurized conditions, reduced pressure (vacuum) 3. Basic standards, general standards, specialized standards, related basic standards 4. p=pa+γh; in a stationary, continuous fluid of the same type, the pressure is equal at all points on the same horizontal level 5. Positive displacement pumps, dynamic pumps, and other types of pumps 6. Plan–Implement–Check–Act (improve)
Compressor \ ___\___\____ Simple distillation, equilibrium distillation, fractional distillation ___\____\____\____ p2=p1+ρg△h\_____ ___\___\____ Plan, do, check, act
1. Gas delivery machinery is classified according to its compression ratio into four types: ventilators, blowers, compressors, and vacuum pumps. 2. Depending on the methods used in distillation processes, it can be divided into simple distillation, rectification, and special distillation. 3. The current technical standards in China include national standards, industry standards, local standards, and enterprise standards. 4. The fundamental equation of hydrostatics is dp + ρgdz = 0; this equation shows the pattern of pressure changes within a stationary fluid. 5. Based on different principles, pumps are generally classified into three categories: impeller pumps, positive displacement pumps, and jet pumps. 6. The four stages of the PDCA cycle in quality management are Plan, Do, Check, and Action.
1. Divided into four categories: ventilators, blowers, compressors, and vacuum pumps. 2. Divided into flash distillation, simple distillation, and fractional distillation. 3. There are **standard, industry standards, local standards, and enterprise standards**. 4. p2 = p1 + ρg(z1-z2); this is the rule governing pressure changes within a stationary fluid. 5. Divided into dynamic pumps, reciprocating pump volumetric pumps, and other types. 6. Plan, execute, check, act
1. (1) Ventilator: Outlet pressure not exceeding 1.47×104 Pa (gauge pressure), compression ratio of 1~1.15； (2) Blower: Outlet pressure is (1.47~29.4)×104 Pa (gauge pressure), with a compression ratio of less than 4 ； (3) Compressor: Outlet pressure of 2.94×104 Pa (gauge pressure) or higher, with a compression ratio greater than 4 ； (4) Vacuum pump: Used for reducing pressure; the outlet pressure is 1 atmosphere, and its compression ratio is determined by the degree of vacuum. 2. Simple distillation, equilibrium distillation (flash distillation), distillation, and special distillation methods. 3. **Standards, industry standards, local standards, corporate standards.** 4. p = pa + γh; in a stationary, continuous fluid of the same type, the pressure at points on the same horizontal level is equal. 5. Positive displacement pumps, vane pumps, jet pumps. 6. p (plan) denotes plan ； d (do) indicates execution ； c (check) means to inspect ； a (action) denotes an action