What Is Duty Cycle?

What Is Duty Cycle?
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Answer :

A compressor’s duty cycle determines the percentage of run time in a full cycle. A full cycle is determined by adding the compressor run time to its rest time.
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Does A Compressor That Has 100% Duty Cycle Mean That I Can Run The Compressor All The Time? Can I Run My Compressor 24 Hours A Day?

Description : Does A Compressor That Has 100% Duty Cycle Mean That I Can Run The Compressor All The Time? Can I Run My Compressor 24 Hours A Day?

Last Answer : No, you’ve got to remember that duty cycle is rated at 100PSI, at an ambient temperature of 72°F, but certainly a 100% duty cycle compressor can run for much longer periods of time than a 30% duty compressor under the same conditions.

The required spacing between the disc on the gang bolt ranges from 15 to 25 cm for light duty and 25 to 30cm for heavy duty harrows is b. 25 to 35cm c. 25 to 40cm d. None of the above.

Description : The required spacing between the disc on the gang bolt ranges from 15 to 25 cm for light duty and 25 to 30cm for heavy duty harrows is b. 25 to 35cm c. 25 to 40cm d. None of the above.

Last Answer :    <!-- [endif] -->Ans - a. 25 to 30cm

The spacing between the discs in the gang bolt ranges cm for lighy duty and cm heavy -duty harrows i. 15-25 and 25-30 c) 40-45 and 45-50 ii. 20-30 and 30-40. d) 15-25 and 32-36

Description : The spacing between the discs in the gang bolt ranges cm for lighy duty and cm heavy -duty harrows i. 15-25 and 25-30 c) 40-45 and 45-50 ii. 20-30 and 30-40. d) 15-25 and 32-36

Last Answer : 15-25 and 25-30

What is meant by Digital Cycle Duty Cycle ?

Description : What is meant by Digital Cycle Duty Cycle ?

Last Answer : Duty Cycle = Vibration / Period X 100% . For example , if tw = T / 2 , Duty cycle = 50% .

What is meant by duty-cycle?

Description : What is meant by duty-cycle?

Last Answer : Duty cycle is defined as the ratio of the on time of the chopper to the total time period of the chopper. It is denoted by α.

What is effect of having more duty cycle and less duty cycle?

Description : What is effect of having more duty cycle and less duty cycle?

Last Answer : If the duty cycle D is greater than 0.5, the core would not be completely demagnetized at the end of the off-period, and a DC magnetization of the core would build up, resulting in core saturation.

What is duty cycle?

Description : What is duty cycle?

Last Answer : It is the ratio of the ON time of the chopper to total time period of the chopper. D = Ton / [Ton + Toff]

A certain pulse measures 10ms and has a period of 50ms. The duty cycle is __

Description : A certain pulse measures 10ms and has a period of 50ms. The duty cycle is __

Last Answer : 10ms/50ms = 20%

Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:

Description : Ripple in output current of a step-down chopper feeding RLE load is maximum, when duty cycle is equal to:  (1) 1 (2) 0.5 (3) 0.75 (4) 0.33

Last Answer : Ripple in output current of step down Chopper feeding a RLE load is maximum, when duty cycle is equal to 0.5

In dc choppers per unit ripple is maximum when duty cycle is

Description : In dc choppers per unit ripple is maximum when duty cycle is   (a) 0.2 (b) 0.5 (c) 0.7 (d) 0.9

Last Answer : In dc choppers per unit ripple is maximum when duty cycle is 0.5 

A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty - cycle is equal to:

Description : A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty - cycle is equal to: A. 25% B. 50% C. 1% D. 100%

Last Answer : A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty - cycle is equal to:  25%

The time duration of useful life of any product is known as a product's life cycle. a.TRUE b.FALSE c. d.

Description : The time duration of useful life of any product is known as a product's life cycle. a.TRUE b.FALSE c. d.

Last Answer : b.FALSE

The technology life cycle concerned with the time and cost of developing the technology a.TRUE b.FALSE c. d.

Description : The technology life cycle concerned with the time and cost of developing the technology a.TRUE b.FALSE c. d.

Last Answer : a.TRUE

Which of the following is a stage of Product Life Cycle? a.Introduction stage b.Growth stage c.Mature stage d.All of the above

Description : Which of the following is a stage of Product Life Cycle? a.Introduction stage b.Growth stage c.Mature stage d.All of the above

Last Answer : d.All of the above

Which of the following is the process in the RP cycle? a.Post-processing b.Transfer to machine c.Pre-processing d.All of the above

Description : Which of the following is the process in the RP cycle? a.Post-processing b.Transfer to machine c.Pre-processing d.All of the above

Last Answer : d.All of the above

In CNC programming …….. is commonly used canned cycle for Stock removal cycle a.G71 b.G72 c.G73 d.G74

Description : In CNC programming …….. is commonly used canned cycle for Stock removal cycle a.G71 b.G72 c.G73 d.G74

Last Answer : d.G74

Repetitive CNC machine operations conveniently performing and execute with onecommand instead of programming of series of individual move called ….. a.Common Cycle b.Incremental Programming c.Canned Cycle d.None of the above

Description : Repetitive CNC machine operations conveniently performing and execute with onecommand instead of programming of series of individual move called ….. a.Common Cycle b.Incremental Programming c.Canned Cycle d.None of the above

Last Answer : c.Canned Cycle

In a CNC program block, N05 GO1 G91 G33 X20 Z-40 K5……, K refer to a.Depth of cut b.Pitch c.Multiple Threading Cycle d.Feed

Description : In a CNC program block, N05 GO1 G91 G33 X20 Z-40 K5……, K refer to a.Depth of cut b.Pitch c.Multiple Threading Cycle d.Feed

Last Answer : b.Pitch

What is the name given to ratio of actual cycle efficiency and ideal cycle efficiency.

Description : What is the name given to ratio of actual cycle efficiency and ideal cycle efficiency.

Last Answer : Efficiency ratio.

What do you understand by fuel cycle in nuclear plants ?

Description : What do you understand by fuel cycle in nuclear plants ?

Last Answer : Fuel cycle a series of sequential steps involved in supplying fuel to a nuclear power reactor. The steps include : Mining, refining uranium, fabrication of fuel elements, their use in nuclear ... re-enrichment of fuel from recovered material, refabrication of new fuel elements, waste storage etc.

When effect of variations in specific heats is considered then how do maximum temperature and pressure vary compared to air standard cycle ?

Description : When effect of variations in specific heats is considered then how do maximum temperature and pressure vary compared to air standard cycle ?

Last Answer : Temperature increases and pressure decreases.

What is the use of flash chamber in a vapour compression refrigeration cycle to improve the COP of refrigeration cycle ?

Description : What is the use of flash chamber in a vapour compression refrigeration cycle to improve the COP of refrigeration cycle ?

Last Answer : When liquid refrigerant as obtained from condenser is throttled, there are some vapours. These vapours if carried through the evaporator will not contribute to refrigerating effect. Using a flash ... out in stages. Similarly compression process is also done in two separate compressor stages.

Why consumption of lubricating oil is more in two-stroke cycle petrol engine than four-stroke cycle petrol engine ?

Description : Why consumption of lubricating oil is more in two-stroke cycle petrol engine than four-stroke cycle petrol engine ?

Last Answer : In two-stroke engine lub oil is mixed with petrol and thus some lub oil is blown out through the exhaust valves by scavenging and charging air. There is no such wastage in four stroke petrol engine.

Rankine cycle comprises of two isothermal and two __________ processes. (A) Isobaric (B) Polytropic (C) Isentropic (D) None of these

Description : Rankine cycle comprises of two isothermal and two __________ processes. (A) Isobaric (B) Polytropic (C) Isentropic (D) None of these

Last Answer : (D) None of these

What Is Vapor Compression Cycle?

Description : What Is Vapor Compression Cycle?

Last Answer : Vapor-Compression Refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air-conditioning of buildings and automobiles.

How Vapour Compression Cycle Works ?

Description : How Vapour Compression Cycle Works ?

Last Answer : The Vapor-Compression Refrigeration Cycle is comprised of four steps. ... The condenser is in contact with the hot reservoir of the refrigeration system. (The gas releases heat into the hot reservoir because of the external work added to the gas.) The refrigerant leaves as a high pressure liquid.

has amplitude of vibration is 200mm and frequency of operation is 400 cycle/ sec. b. Acme tooth harrow c. Blade harrow d. None of the above

Description : has amplitude of vibration is 200mm and frequency of operation is 400 cycle/ sec. b. Acme tooth harrow c. Blade harrow d. None of the above

Last Answer : Ans- a. Reciprocating power harrow

The ratio of dissolved solids in circulating water to the dissolved solids in makeup water is called a) Liquid gas ratio b) Cycle of concentration c) Cooling tower effectiveness d) None of the above

Description : The ratio of dissolved solids in circulating water to the dissolved solids in makeup water is called a) Liquid gas ratio b) Cycle of concentration c) Cooling tower effectiveness d) None of the above

Last Answer : Cycle of concentration

The ratio of dissolved solids in circulating water to dissolved solids in makeup water is called. • Liquid gas ratio • Cycle of concentration • Cooling tower effectiveness • None of the above

Description : The ratio of dissolved solids in circulating water to dissolved solids in makeup water is called. • Liquid gas ratio • Cycle of concentration • Cooling tower effectiveness • None of the above

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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

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

Which of the following values characterize the state of the system?  a. cycle  b. process  c. property  d. enthalpy

Description : Which of the following values characterize the state of the system?  a. cycle  b. process  c. property  d. enthalpy

Last Answer : enthalpy

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

Which of the following is used in thermal power plant?  a. Brayton cycle  b. Reversed carnot cycle  c. Rankine cycle  d. Otto cycle

Description : Which of the following is used in thermal power plant?  a. Brayton cycle  b. Reversed carnot cycle  c. Rankine cycle  d. Otto cycle

Last Answer : Rankine cycle

Which of the following best describes both Stirling and Ericson engines?  a. Internal combustion engine  b. External combustion engine  c. Diesel cycle  d. Rankine cycle

Description : Which of the following best describes both Stirling and Ericson engines?  a. Internal combustion engine  b. External combustion engine  c. Diesel cycle  d. Rankine cycle

Last Answer : External combustion engine

Which of the following cycle is used in vapor cycle power plant?  a. Brayton cycle  b. Diesel cycle  c. Ericson cycle  d. Rankine cycle

Description : Which of the following cycle is used in vapor cycle power plant?  a. Brayton cycle  b. Diesel cycle  c. Ericson cycle  d. Rankine cycle

Last Answer : Rankine cycle

If any one or more properties of a system change, the system is said to have undergone a _______.  a. Cycle  b. System  c. Process  d. None of the above

Description : If any one or more properties of a system change, the system is said to have undergone a _______.  a. Cycle  b. System  c. Process  d. None of the above

Last Answer : Process

The most efficient cycle that can operate between two constant temperature reservoir is the _________.  a. Otto Cycle  b. Lazare Cycle  c. Isothermal Cycle  d. Carnot Cycle

Description : The most efficient cycle that can operate between two constant temperature reservoir is the _________.  a. Otto Cycle  b. Lazare Cycle  c. Isothermal Cycle  d. Carnot Cycle

Last Answer : Carnot Cycle

Gasoline and Diesel Engines are best described by the _________.  a. Otto Cycle  b. Burnign Cycle  c. Shikki Cycle  d. Shapa R’ Elli Cycle

Description : Gasoline and Diesel Engines are best described by the _________.  a. Otto Cycle  b. Burnign Cycle  c. Shikki Cycle  d. Shapa R’ Elli Cycle

Last Answer : Otto Cycle

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

________ is a succession of changes that ends with the return of the body or system to its initial state.  a. process  b. system  c. equilibrium  d. cycle

Description : ________ is a succession of changes that ends with the return of the body or system to its initial state.  a. process  b. system  c. equilibrium  d. cycle

Last Answer : cycle

A _________ is a quantity whose value depends on the path followed during a particular change in state.  a. path function  b. point function  c. process  d. cycle

Description : A _________ is a quantity whose value depends on the path followed during a particular change in state.  a. path function  b. point function  c. process  d. cycle

Last Answer : path function

A _________ is a quantity whose value at any state is independent of the path or process used to reach that state.  a. cycle  b. path function  c. point function  d. process

Description : A _________ is a quantity whose value at any state is independent of the path or process used to reach that state.  a. cycle  b. path function  c. point function  d. process

Last Answer : point function

The energy that flows from higher temperature object to a lower temperature object because of the difference in temperature is called  a. heat  b. temperature  c. thermodynamics cycle  d. energy flow

Description : The energy that flows from higher temperature object to a lower temperature object because of the difference in temperature is called  a. heat  b. temperature  c. thermodynamics cycle  d. energy flow

Last Answer : heat

What is a heat engine that operates on the reversible Carnot cycle called?  A. Carnot heat engine  B. Ideal heat engine  C. Most efficient heat engine  D. Best heat engine

Description : What is a heat engine that operates on the reversible Carnot cycle called?  A. Carnot heat engine  B. Ideal heat engine  C. Most efficient heat engine  D. Best heat engine

Last Answer : Carnot heat engine

The Carnot cycle is composed of ______ processes.  A. One isothermal and one adiabatic  B. One isothermal and two adiabatic  C. Two isothermal and one adiabatic  D. Two isothermal and two adiabatic

Description : The Carnot cycle is composed of ______ processes.  A. One isothermal and one adiabatic  B. One isothermal and two adiabatic  C. Two isothermal and one adiabatic  D. Two isothermal and two adiabatic

Last Answer : Two isothermal and two adiabatic

The Carnot cycle is composed of how many reversible processes?  A. 2  B. 3  C. 4  D. 5

Description : The Carnot cycle is composed of how many reversible processes?  A. 2  B. 3  C. 4  D. 5

Last Answer : 4

Who proposed the Carnot cycle?  A. Sammy Carnot  B. Sonny Carnot  C. Sadi Carnot  D. Suri Carnot

Description : Who proposed the Carnot cycle?  A. Sammy Carnot  B. Sonny Carnot  C. Sadi Carnot  D. Suri Carnot

Last Answer : Sadi Carnot

Carnot cycle is the best known reversible cycle which was first proposed in what year?  A. 1842  B. 1824  C. 1832  D. 1834

Description : Carnot cycle is the best known reversible cycle which was first proposed in what year?  A. 1842  B. 1824  C. 1832  D. 1834

Last Answer : 1824

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-temperature body to a higher-temperature body?  A. Kelvin-Planck statement  B. Clausius statement  C. Kelvin statement  D. Rankine statement

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