Who invented the air pump ?

1 Answer

Answer :

Von Guerick invented the air pump.

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Description : Who invented the air pump ?

Last Answer : Von Guerick invented the air pump.

Description : Who invented the air pump ?

Last Answer : Von Guericke invented the air pump.

Description : The water from a hand pump is warm in winter because - (1) our body is cold in winter and the water appears to be warm (2) the temperature inside the Earth is higher than the atmospheric ... causes friction which warms up the water (4) inside water comes out and absorbs heat from the environment

Last Answer : (2) the temperature inside the Earth is higher than the atmospheric temperature

Description : The water from a hand pump is warm in winter because - (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric ... causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Last Answer : (2) The temperature inside the earth is higher than the atmospheric temperature Explanation: In winter, the outside temperature is lower than that of water flowing out of the pump, and therefore, the ... the outside temperature is higher than the water of the pump, and therefore, it feels cold.

Description : The water from a hand pump is warm in winter because - (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric ... causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Last Answer : (2) The temperature inside the earth is higher than the atmospheric temperature Explanation: In winter, the outside temperature is lower than that of water flowing out of the pump, and therefore, the ... the outside temperature is higher than the water of the pump, and therefore, it feels cold.

Description : In a water lifting electric pump, We convert – (1) Electrical energy into Potential energy (2) Kinetic energy into Electrical energy (3) Kinetic energy into Potential energy (4) Electrical energy into Kinetic energy

Last Answer : (1) Electrical energy into Potential energy Explanation: In a water lifting electric pump, we convert electrical energy into potential energy. In hydraulic pump mechanical energy in converted into potential energy

Description : In a water lifting electric pump, we convert (1) Electrical energy into Potential energy (2) Kinetic energy into Electrical energy (3) Kinetic energy into Potential energy (4) Electrical energy into Kinetic energy

Last Answer : Electrical energy into Potential energy

Description : The water from a hand pump is warm in winter because (1) Our body is cold in winter and the water appears to be warm (2) The temperature inside the earth is higher than the atmospheric ... causes friction which warms up the water (4) Inside water comes out and absorbs heat from the environment

Last Answer : The temperature inside the earth is higher than the atmospheric temperature

Description : Is it true tree farms pump CO2 into the air to help the trees grow faster?

Last Answer : Free-air enrichment is done, but it’s not a common practice; most of the programs are experimental in nature. More common is enriching the atmosphere of greenhouses with added CO2 to get young plants established.

Description : The air pump in my tank broke. I know that I need to get a new one. I won't be able to get to the store for a few days. Will my fish be OK?

Last Answer : Actually, if the air pump is broken, the fish cannot go without air for more than a day. Have you tried cleaning the pump. Remove it from the tank and then take the filter and the sponge out of the ... it. Always check the air tubes so that if the pump does break, you can replace it within a day.

Description : Can I get a replacement air mattress and pump for Northern Designs Aluminum folding bed #SCF-530MA?

Last Answer : no pump

Description : Where could I buy just the pump to inflate an air mattress?

Last Answer : You could find a pump to inflate an air mattress at any sporting good store or a store that specializes in camping equipment. Sports Authority and REI would likely have an air pump. You could buy a pump ... and REI would be stores that would carry a pump. Also any pool store would carry this item.

Description : How does an air sampling pump work?

Last Answer : An air sampling pump measures contaminants such as biological and environmental present in a sample of air. The sample of air is drawn into a tube which is attached to the pump. The air is vaporized and the particular contaminants presence is measured.

Description : How long does it take for a air mattress to pump up?

Last Answer : Depends on the size and what you use. With an battery or electric air pump it is very fast.

Description : Can you use the air pump at the gas station to fill up a bike tire?

Last Answer : Yes, but you may need a special adapter to connect the air pump at the gas station to your bike tire. Many manual hand bike pumps are also available which can be used to inflate your bike tires.

Description : Where can I find an air pump for my bike?

Last Answer : You can go to any retail store or bike shop to buy an air pump suitable for your needs. Find a pump that is good with quality to satisy your needs. Make sure to read the instructions before using the air pump.

Description : Will an air pump inflate an inflatable mattress?

Last Answer : There are many different kinds of air pumps available for every conceivable need of an air pump. An inflatable mattress is a piece of cake. Here is some very reasonably priced websites to purchase ... 5634288 AC 110V Electric Air Pump : Target www.target.com/AC-110V-Electric-Air-Pump/dp/B0001IML8U

Description : In a naturally aspirated diesel engine, the air is supplied by a A. supercharger B. centrifugal pump C. movement of engine piston D. reciprocating pump

Last Answer : ANSWER : C

Description : The air-fuel ratio of the petrol engine is governed by A. fuel pump B. governor C. carburetor D. injector

Last Answer : ANSWER : C

Description : In _____________ injection system only one pump is sufficient for multi-cylinder engine. a) air b) mechanical c) compression fuel d) common rail

Last Answer : Answer: d Explanation: None.

Description : Mixing of air and fuel in the diesel engine occurs in a. injection pump b. carburetor c. engine cylinder d. inlet manifold

Last Answer : ANSWER c. engine cylinder

Description : Q No: 131 The most widely used pump for lifting sewage is A. Centrifugal pump B. Reciprocating pump C. Pneumatic ejector D. Air pressure pump

Last Answer : ANS: A

Description : The following air gap readings were obtained from a horizontally mounted, bilge pump, induction motor, equipped with sleeve bearings: FWD END-AFT END, Top .045 - .049, Right Side .045 - .047, Left ... the aft bearing. C. The forward bearing should be lowered. D. The aft bearing should be lowered.

Last Answer : Answer: A

Description : The following air gap readings were obtained from a horizontally mounted, bilge pump, induction motor, equipped with sleeve bearings: FWD END -AFT END, Top .045 - .049 , Right Side .045 - .047, Left ... the aft bearing. C. The forward bearing should be lowered. D. The aft bearing should be lowered.

Last Answer : Answer: A

Description : In most of the vacuum crystalliser, vacuum is generally produced by means of a (A) Suction pump (B) Compressed air jet (C) Steam jet ejector with a barometric condenser (D) None of these

Last Answer : (C) Steam jet ejector with a barometric condenser

Description : Air vessel provided in a reciprocating pump is for (A) Increasing the acceleration head (B) Making the friction in pipe uniform (C) Decreasing the acceleration head (D) None of these

Last Answer : (B) Making the friction in pipe uniform

Description : Air vessel provided in a reciprocating pump (A) Smoothens the flow by avoiding pulsations (B) Increases the volumetric efficiency of the pump (C) Saves the pump from the danger of cavitation (D) None of these

Last Answer : (D) None of these

Description : A centrifugal pump loses prime after starting. The reason of this trouble may be (A) Incomplete priming (B) Too high a suction lift (C) Low available NPSH and air leaks in the suction pipe (D) All (A), (B), and (C)

Last Answer : (D) All (A), (B), and (C)

Description : Capacity of a rotary gear pump can be varied by (A) Changing the speed of rotation (B) Bleeding air into suction (C) Bypassing liquid from the suction or discharge line (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : At what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump? (A) 40° and 140° (B) 45° and 60° (C) 90° and 80° (D) 20° and 120°

Last Answer : (A) 40° and 140

Description : Purpose of air lift pump is to (A) Compress air (B) Lift compressed air (C) Lift water from a well by using compressed air (D) Lift air under negative pressure

Last Answer : (C) Lift water from a well by using compressed air

Description : Function of air vessel provided in a reciprocating pump is to (A) Reduce discharge fluctuation (B) Reduce the danger of cavitation (C) Avoid the necessity of priming (D) Increase the pump efficiency

Last Answer : (A) Reduce discharge fluctuation

Description : Air vessel fitted to a reciprocating pump (A) Increases the work done (B) Decreases the work done (C) Causes cavitation (D) Results in non-uniform discharge

Last Answer : (B) Decreases the work done

Description : Air vessel of a reciprocating pump is initially filled with (A) Atmospheric air (B) Compressed air (C) Water (D) None of these

Last Answer : (B) Compressed air

Description : Delivery of insufficient quantity of liquid by a pump may be caused by (A) Air leak in the inlet (B) Low rpm (C) Too high a lift (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : A diagnostic test that involves injection of a contrast media into the venous system through a dorsal vein in the foot is termed a) contrast phlebography. When a thrombus exists, an x ... d) lymphoscintigraphy. In lymphoscintigraphy, a radioactive-labeled colloid is injected into the lymph system.

Last Answer : a) contrast phlebography. When a thrombus exists, an x-ray image will disclose an unfilled segment of a vein.

Description : Recovery of heat from dryer exhaust air is a typical application of: a) Waste heat recovery boiler b) Heat pump c) Heat wheel d) Economizer

Last Answer : Heat wheel

Description : What is the reason to service a cooling tower? a) to ensure proper air flow b) to clean the tubes c) to inspect the water pump d) all of these

Last Answer : all of these

Description : Consider the following statements: Air vessels are fitted on the suction and delivery sides of a reciprocating pump to 1. Achieve higher speed without separation. 2. Reduce work in overcoming frictional resistance. 3. Avoid excessive vibration ... 2 & 3 only (c) 2, 3 & 4 only (d) 1, 2, 3 & 4

Last Answer : (d) 1, 2, 3 & 4

Description : A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Last Answer : a. For ground servicing purposes

Description : A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Last Answer : a. For ground servicing purposes

Description : When you push down on the piston of a bicycle pump, the air is compressed into a smaller volume, which causes its temperature to: w) decrease x) increase y) stay the same

Last Answer : ANSWER: X -- INCREASE

Description : Who Invented the Reflector Telescope ?

Last Answer : Scientist Newton invented the reflecting telescope.

Description : Who invented the absolute temperature scale ?

Last Answer : Kelvin, the inventor of the absolute temperature scale.

Description : Who invented the electric field line to get an idea about the electric field ?

Last Answer : : Michael Faraday introduced the electric field line to get an idea of the electric field.

Description : Who invented the theory of light ?

Last Answer : Ibn al-Haytham and al-Hazen discovered the theory of light.

Description : Who invented the barcode ?

Last Answer : Bernard Silver discovers barcodes.

Description : Who invented the fountain pen ?

Last Answer : Patricia Poneru discovers the fountain pen.

Description : Who invented roller skates ?

Last Answer : James Plimton invented roller skates.

Description : Who invented basketball ?

Last Answer : James Neismith invented basketball.