What Is A Rotary Air Compressor?

What Is A Rotary Air Compressor?
by

1 Answer

Answer :

A rotary-screw compressor is a type of gas compressor that uses a rotary-type positivedisplacement mechanism. They are commonly used to replace piston compressors where large volumes of high-pressure air are needed, either for large industrial applications or to operate high-power air tools such as jackhammers.
by

Related questions

What Is The Difference Between A Rotary Screw Compressor And A Reciprocating Compressors?

Description : What Is The Difference Between A Rotary Screw Compressor And A Reciprocating Compressors?

Last Answer : A rotary screw compressor is one that utilizes two intermeshing helical rotors to trap a volume of air, then compress it to a higher pressure. Rotary screw compressors can be run at lower ... piston compressor (aka reciprocating) uses pistons driven by a crankshaft to deliver air at high pressure.

The maximum delivery pressure in a rotary air compressor is A. 10 bar B. 20 bar C. 30 bar D. 50 bar

Description : The maximum delivery pressure in a rotary air compressor is A. 10 bar B. 20 bar C. 30 bar D. 50 bar

Last Answer : ANSWER : A

Differentiate between : (i) Reciprocating and rotary air compressor (ii) Centrifugal and axial flow compressor

Description : Differentiate between : (i) Reciprocating and rotary air compressor (ii) Centrifugal and axial flow compressor

Last Answer : (i) Reciprocating and rotary air compressor: Sr. No. Reciprocating air compressor  Rotary air compressor  1 It is having to and fro motion. It is having rotary ... I.C. engine and for refrigerants and industrial gases. Used universally with large gas turbine. 

Compare reciprocating and rotary air compressor

Description : Compare reciprocating and rotary air compressor

Last Answer : Reciprocating compressor Rotary compressor  1. Compression of air takes place with help of piston and cylinder arrangement with reciprocating motion of piston. 1. Compression of air takes place ... High 12. More Starting torque required 12. Less Starting torque required

For very low pressure and high discharge rate, the compressor used is a/an __________ compressor. (A) Axial (B) Reciprocating (C) Rotary (D) None of these

Description : For very low pressure and high discharge rate, the compressor used is a/an __________ compressor. (A) Axial (B) Reciprocating (C) Rotary (D) None of these

Last Answer : (C) Rotary

Briefly describe about ‘rotary compressor’?

Description : Briefly describe about ‘rotary compressor’?  

Last Answer : Rotary compressors have rotors in place of pistons and give a continuous, pulsation free discharge. They operate at high speed and generally provide higher throughput than reciprocating compressors. They are directly ... , vibrate less, and have a lower number of parts which are subject to wear. 

Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

Description : Why the work per kg of air flow in axial flow compressor is less compared to centrifugal compressor for same pressure ratio ?

Last Answer : Isentropic efficiency of axial flow compressor is higher.

Which is an example of closed system? (A) Air compressor (B) Liquid cooling system of an automobile (C) Boiler (D) None of these

Description : Which is an example of closed system? (A) Air compressor (B) Liquid cooling system of an automobile (C) Boiler (D) None of these

Last Answer : (B) Liquid cooling system of an automobile

Why Doesn't My Air Compressor Produce As Much Air As It Used To?

Description : Why Doesn't My Air Compressor Produce As Much Air As It Used To?

Last Answer : The most common cause is bad valves. It is also important to check your entire system for higher air consumption or leaks.

Why Does My Compressor Leak Air When The Compressor Shuts Off?

Description : Why Does My Compressor Leak Air When The Compressor Shuts Off?

Last Answer : Most air compressors have a one way check valve between the compressor pump and the air receiver. When the compressor shuts off the check valve prevents the high pressure air from traveling back ... more common types are pressure switch mounted or centrifugal mounted on the end of the crankshaft.

Will My Small Homeowner Air Compressor Be Able To Handle An Extra Tank?

Description : Will My Small Homeowner Air Compressor Be Able To Handle An Extra Tank?

Last Answer : It depends on whether or not you have a continuous duty air compressor or not. A continuous duty compressor means that it is able to run for long periods of time (aka continuously). This type of ... that you give it time to cool off when filling the tank, otherwise you would be going overboard.

How Much Air Will I Need To Power My Air Compressor Tool?

Description : How Much Air Will I Need To Power My Air Compressor Tool?

Last Answer : Generally, most air tools will take around 70-100 PSI, and will consume less than 10 CFM, however consult the manual or manufacturer of your tool for exact air requirements.

Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Description : Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Last Answer : flash steam recovery

Air preheater is not used as a waste heat recovery system in a____. a) Boiler b) billet Reheating Furnace c) Heat treatment furnace d) compressor

Description : Air preheater is not used as a waste heat recovery system in a____. a) Boiler b) billet Reheating Furnace c) Heat treatment furnace d) compressor

Last Answer : compressor

What is the full form of AS/RS in FMS? a.Automated storage and recovery system b.Automatic storage and rotary system c.Automated storage and retrieval system d.Automated storage and regenerative system

Description : What is the full form of AS/RS in FMS? a.Automated storage and recovery system b.Automatic storage and rotary system c.Automated storage and retrieval system d.Automated storage and regenerative system

Last Answer : c.Automated storage and retrieval system

The motion of a bicycle wheel is a.Curvilinear b.Translatory c.Linear d.Rotary as well as translatory e.Rotary

Description : The motion of a bicycle wheel is a.Curvilinear b.Translatory c.Linear d.Rotary as well as translatory e.Rotary

Last Answer : d. Rotary as well as translatory

When a body moves round a fixed axis it will have a.A motion of rotation and translation b.A circular motion c.A rotary motion d.A translatory motion e.A swinging motion

Description : When a body moves round a fixed axis it will have a.A motion of rotation and translation b.A circular motion c.A rotary motion d.A translatory motion e.A swinging motion

Last Answer : b. A circular motion

What is the difference between stalling and surging in rotary compressions ?

Description : What is the difference between stalling and surging in rotary compressions ?

Last Answer : Stalling is a local phenomenon and it occurs when How breaks away from the blades. Surging causes complete breakdown of flow and as such it affects the whole machine.

Power tillers operate most satisfactory with? 1. Rotary tillage 2. Plough 3. Transport carts 4. reapers

Description : Power tillers operate most satisfactory with? 1. Rotary tillage 2. Plough 3. Transport carts 4. reapers

Last Answer : ans 1

It is a mower with a knife made of several serrated triangular sections that reciprocate against stationary fingers. a. Rotary mower c. Cylinder mower. d. None of above

Description : It is a mower with a knife made of several serrated triangular sections that reciprocate against stationary fingers. a. Rotary mower c. Cylinder mower. d. None of above

Last Answer : Ans-   b. Reciprocating mower  

Hand rotary duster consists basically of a blower completely with ..........and a hopper. a. Clutch. c. Flywheel. d. None of above Ans- b. gearbox

Description : Hand rotary duster consists basically of a blower completely with ..........and a hopper. a. Clutch. c. Flywheel. d. None of above Ans- b. gearbox

Last Answer : Ans-    b. gearbox

This type blades in rotary tiller are Suitable for deep tillage in relatively clean ground, but clogging and wrapping of trashes on the tynes and shafts. a. L c. straight d. None of the above

Description : This type blades in rotary tiller are Suitable for deep tillage in relatively clean ground, but clogging and wrapping of trashes on the tynes and shafts. a. L c. straight d. None of the above

Last Answer : Ans-  b. twisted

This type blades in rotary tiller are more effective in cutting weeds and they do not Pulverize the soil much. b. twisted c. straight d. None of the above

Description : This type blades in rotary tiller are more effective in cutting weeds and they do not Pulverize the soil much. b. twisted c. straight d. None of the above

Last Answer : Ans- a. ‘L’

is a Tillage system in which only isolated bands of soil are tilled? a) Strip Tillage. c) Mulch Tillage b) Rotary Tillage. d) Combined Tillage

Description : is a Tillage system in which only isolated bands of soil are tilled? a) Strip Tillage. c) Mulch Tillage b) Rotary Tillage. d) Combined Tillage

Last Answer : Strip Tillage.

The following types of blades are used with the rotor in rotary tiller a. ‗L‘ type blade c) both A & B b. Twisted blade d) chisel plough

Description : The following types of blades are used with the rotor in rotary tiller a. ‗L‘ type blade c) both A & B b. Twisted blade d) chisel plough

Last Answer :  both A & B

The Japanese type rotary thresher is used for threshing a) Paddy b) Wheat c) Sunflower d) Safflower

Description : The Japanese type rotary thresher is used for threshing a) Paddy b) Wheat c) Sunflower d) Safflower

Last Answer : Paddy 

Power tillage operate most satisfactory with A. Rotary tillage B. Plough C. Transport carts D. Reapers

Description : Power tillage operate most satisfactory with A. Rotary tillage B. Plough C. Transport carts D. Reapers

Last Answer : Rotary tillage

it is a Cultivator with tines or blades mounted on a power driven horizontal shaft. A. Disc cultivator. C Rotary cultivator B. Tine cultivator. D Trailed type cultivator

Description : it is a Cultivator with tines or blades mounted on a power driven horizontal shaft. A. Disc cultivator. C Rotary cultivator B. Tine cultivator. D Trailed type cultivator

Last Answer : Rotary cultivator

operation is used to cut and mix the soil e) rotary f) mlutch g) strip h) none of these

Description : operation is used to cut and mix the soil e) rotary f) mlutch g) strip h) none of these

Last Answer : rotary

is a individual working element such as a disk or shovel a) tool b) machine c) stripped d) rotary

Description : is a individual working element such as a disk or shovel a) tool b) machine c) stripped d) rotary

Last Answer : tool

tillage utilizes two or more different types of tools to simplify fields a) combined b) basic c) strip d) rotary

Description : tillage utilizes two or more different types of tools to simplify fields a) combined b) basic c) strip d) rotary

Last Answer : combined

The following tillage is not a type of a tillage a) maximum b) minimum c) strip d) rotary

Description : The following tillage is not a type of a tillage a) maximum b) minimum c) strip d) rotary

Last Answer : maximum

is the mechanical manipulation of soil to provide favorable condition for crop production. A. Power tiller C. Rotary tiller B. Tillage D. Disc plough

Description : is the mechanical manipulation of soil to provide favorable condition for crop production. A. Power tiller C. Rotary tiller B. Tillage D. Disc plough

Last Answer : Tillage 

is the prime mover in which the direction of travel and its control for field operation is performed by the operator walking behind it. A. Power tiller C. Tillage B. Disc plough D. Rotary tiller

Description : is the prime mover in which the direction of travel and its control for field operation is performed by the operator walking behind it. A. Power tiller C. Tillage B. Disc plough D. Rotary tiller

Last Answer : Power tiller

The power tillage is most suitable for: a) Stationary operation c) Deep ploughing b) Rotary operation d) All are correct

Description : The power tillage is most suitable for: a) Stationary operation c) Deep ploughing b) Rotary operation d) All are correct

Last Answer : Rotary operation

Finner operation performed for seedbed preparation is :- A. Primary tillage C. Strip tillage B. Secondary tillage D. Rotary tillage

Description : Finner operation performed for seedbed preparation is :- A. Primary tillage C. Strip tillage B. Secondary tillage D. Rotary tillage

Last Answer : Primary tillage

Power tillers operate most satisfactory with? A. Rotary tillage C. Plough B. Transport carts D. Reapers

Description : Power tillers operate most satisfactory with? A. Rotary tillage C. Plough B. Transport carts D. Reapers

Last Answer : Rotary tillage

How the net work to drive a compressor and its volumetric efficiency behave with increase in clearance volume ?

Description : How the net work to drive a compressor and its volumetric efficiency behave with increase in clearance volume ?

Last Answer : Work remains unaltered and volumetric efficiency decreases.

Why axial flow compressor is preferred for gas turbines for aeroplanes ?

Description : Why axial flow compressor is preferred for gas turbines for aeroplanes ?

Last Answer : Because it has low frontal area.

Why gas turbine power plant needs efficient compressor ?

Description : Why gas turbine power plant needs efficient compressor ?

Last Answer : Because a large portion of turbine work is eaten away by compressor and its inefficiency will affect net power output and cost of generation.

Under what condition the work done in reciprocating compressor will be least ?

Description : Under what condition the work done in reciprocating compressor will be least ?

Last Answer : It is least when compression process approaches isothermal. For this purpose, attempts are made to cool the air during compression.

What Is The Use Of Compressor In Refrigeration?

Description : What Is The Use Of Compressor In Refrigeration?

Last Answer : The compressor does exactly as its name says: it compresses the refrigerant. The compressor receives low pressure gas from the evaporator and converts it to high pressure gas. As mentioned earlier, as the gas is compressed, the temperature rises. The hot refrigerant gas then flows to the condenser.

What Is A Gas Compressor Used For?

Description : What Is A Gas Compressor Used For?

Last Answer : A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe.

How Does A Refrigerant Compressor Work?

Description : How Does A Refrigerant Compressor Work?

Last Answer :  The compressor constricts the refrigerant vapor, raising its pressure, and pushes it into the coils on the outside of the refrigerator.  When the hot gas in the coils meets the cooler air ... it becomes a liquid.  The refrigerant absorbs the heat inside the fridge, cooling down the air.

Why Is A Compressor Used In Refrigeration?

Description : Why Is A Compressor Used In Refrigeration?

Last Answer : The compressor does exactly as its name says: it compresses the refrigerant. The compressor receives low pressure gas from the evaporator and converts it to high pressure gas. As mentioned earlier, as the gas is compressed, the temperature rises. The hot refrigerant gas then flows to the condenser.

Why Compressor Shuts Down On High-temperature?

Description : Why Compressor Shuts Down On High-temperature?

Last Answer : If your compressor trips on over temeprature, it could be any of the following:  Ambient temperature too high or not enough ventilation.  Too low oil level.  Wrong type of oil.  Dirty oil cooler.  Thermostatic valve not working.  Dirt / obstruction in oil lines.

Why Does The Safety Valve On My Compressor Pump Make A "popping" Sound?

Description : Why Does The Safety Valve On My Compressor Pump Make A "popping" Sound?

Last Answer : This is most commonly an indication of bad valves. Depending on the model valves could be rebuilt or replaced.

How Often Until A New Compressor Is 'broken In'?

Description : How Often Until A New Compressor Is 'broken In'?

Last Answer : Air Compressors do not need to be broken in. Check for any leaks or malfunctions during the first start-up, but after that you should be ready to go.

What Is The Maximum Hose Length I Should Use With My Compressor?

Description : What Is The Maximum Hose Length I Should Use With My Compressor?

Last Answer : This will also depend on the size of compressor and CFM required. The Maximum hose length is one of the most open ended questions related to air compressors. For a small homeowner unit, it would ... , contact your local installation provider or give us a call to help figure out your maximum length.

What Happens When Water Stays In My Compressor?

Description : What Happens When Water Stays In My Compressor?

Last Answer : Compressor tanks are made of steel, which means if water is left in the tank, rust will start to accrue. Depending on the severity, contact your local service center about the best way to eliminate ... One place to start would be to look into purchasing an air dryer, to help eliminate the problem.