Description : Will My Compressor Run On A Generator?
Last Answer : The compressor should be able to run given the proper requirements, however we recommend not using a compressor with a generator. Generators have fluctuations in power, and because a compressor needs constant voltage ... to run, it is generally best not to use a generator if no power is available.
Description : What Is Duty Cycle?
Last 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.
Description : Clearance volume in compressor should be A. As large as possible B. As small as possible C. About 50% of swept volume D. About 100% of swept volume
Last Answer : ANSWER : B
Description : What will be the duration of day and night if the earth shrinks to half the present radius? a.6 hours b.12 hours c.107 dynes d.3 hours e.24 hours
Last Answer : a. 6 hours
Description : Pick up the correct statement from the following: (A) The amount of rainfall in 24 hours, is known as daily rainfall (B) The amount of rainfall in one year, is known as annual rainfall (C) The rain cycle period in India is taken as 35 years (D) All the above
Last Answer : (D) All the above
Description : The ratio of work done per cycle to the stroke volume of the compressor is known as A. Compressor capacity B. Compression ratio C. Compressor efficiency D. Mean effective pressure
Last Answer : ANSWER : D
Description : Rewiring digital clocks to make them run faast? (eg- make 24 hours go by in 24 minutes)
Last Answer : Not really. The levels of integration are too high to allow any user modification.
Description : How much energy does it take to run a 100 watt light bulb for 24 hours?
Last Answer : It is usually measured in kilowatt hours. 100 watt bulb X 24 hours= 2400 watts or 2.4 kilowatt hours.
Description : A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt- hours of energy does it consume? A.20.16 kWh B.201.6 kWh C.2.01 kWh D.8.4 kWh
Last Answer : A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt- hours of energy does it consume? A.20.16 kWh B.201.6 kWh C.2.01 kWh D.8.4 kWh
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.
Description : Why axial flow compressor is preferred for gas turbines for aeroplanes ?
Last Answer : Because it has low frontal area.
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.
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.
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.
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
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.
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.
Description : What Is A Rotary Air Compressor?
Last 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- ... either for large industrial applications or to operate high-power air tools such as jackhammers.
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.
Description : Why Is A Compressor Used In Refrigeration?
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Description : Is Amp Draw Of The Compressor Something I Need To Be Concerned With?
Last Answer : Yes, the lower the amp draw, the better the compressor is. As a rule of thumb, the maximum amperage that a compressor should require is 30amps.
Description : Is It Possible To Use An Adjustable Pressure Switch With My Compressor?
Last Answer : May not use adjustable pressure switches with any VIAIR compressor. If you use an adjustable pressure switch, you can set the pressure switch higher than the maximum pressure that is rated for your ... supply tank. Doing so will immediately void your warranty, not to mention, it is dangerous.
Description : Is It Possible To Hook Up More Than One Compressor To A Single Pressure Switch?
Last Answer : Yes, it is possible to use one pressure switch on more than one compressor. You should always run a relay if you want to hook up multiple compressors to a single switch. You should check the amp draw on the switch first, and then you’ll know how many compressors you can hook up to one switch.
Description : If I Mount My Compressor Sideways, Like On The Frame Rail Of My Truck, Is There Anything I Should Be Careful Of When Doing This?
Last Answer : you mount your compressor sideways to the frame rail, you should periodically check to make sure that your compressor is mounted securely. Use a thread-locking compound to keep the screws from backing off and causing the compressor to be mounted loosely.
Description : Is It Possible To Mount The Compressor Sideways? Must It Be Mounted With The Cylinder Upright?
Last Answer : Yes, you can mount our compressors in any direction or position because they are oil-less. The only position we do not recommend is an upside-down mount, since heat tends to travel upward.
Description : Is The 550c Compressor Sealed And Weatherproof?
Last Answer : The 550C is not a sealed unit. If you want to mount a compressor under your truck, you might want to take a look at our 450 series. While it is not as fast as the 550 series, it is moisture ... your truck. Also, we have new compressors that are more suited to exterior mounting (420, 460C, and 480C).
Description : Why Is It Important To Have A Sealed And Moisture-resistant Compressor?
Last Answer : The preference of a sealed-type compressor is due to the fact that in mobile pneumatics, compressors are likely to be exposed to outside elements.
Description : How Can I Tell Whether The Compressor Is Sealed Or Non-sealed?
Last Answer : Manufacturers will normally specify if a compressor is sealed against moisture and dust, and in many cases, you can tell the difference by simply inspecting the compressor. If you see vents, cracks, or ... motor housing, then the compressor is not sealed and must be kept away from dust and moisture.
Description : Does A New Compressor Have To Be Broken In?
Last Answer : No, they do not. Typically after an install, you should power up the system from 0 to whatever the cut-off pressure is and check for any leaks that may be present.
Description : Which Is Best Compressor For On-board Setup?
Last Answer : Either the 400C 12V air compressoror the 450C 12V air compressor for setup.
Description : For obtaining high COP, the pressure range of compressor should be q. a) High. c) Optimum b) Low. d) Any value
Last Answer : LOW
Description : Power saving guide label is stickled on_______ A. Internal parts of AC C. On condenser and compressor B. External cover of AC D. On back cover of AC
Last Answer : External cover of AC
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
Description : Recovery of waste heat from hot fluid to fluid is called: a) thermo compressor b) waste heat recovery boiler c) heat Pump d) economizer
Last Answer : heat Pump
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
Description : Recuperated is used mainly as a waste heat recovery system in a ____. a) Boiler b) Billet Reheating Furnace c) Compressor d) None of the above
Last Answer : Billet Reheating Furnace
Description : The compression of the gas in two or more cylinders in place of a single cylinder compressor a. Single Staging b. Double Staging c. Multistaging d. None of the above
Last Answer : Multistaging
Description : Open system usually encloses which of the following devices? A. Compressor B. Turbine C. Nozzle D. All of the above
Last Answer : All of the above
Description : Minimum work in compressor is possible when the value of adiabatic index n is equal to (a) 0.75 (b) 1 (c) 1.27 (d) 1.35 (e) 2.
Last Answer : Answer : b
Description : A non-reversible machine has efficiency a.less than 50% b.nearly 100% c.between 75% and 99% d.more than 50% e.107 dynes
Last Answer : a. less than 50%