Description : Medium viscosity lubricating oil can be most ideally pumped by a __________ pump. (A) Vane (B) Piston (C) Centrifugal (D) Plunger
Last Answer : (A) Vane
Description : __________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm2 . (A) Centrifugal (B) Piston (C) Plunger (D) Vane
Last Answer : (C) Plunger
Description : The type of pump used for lifting large quantity of sewage is a __________ pump. (A) Gear (B) Centrifugal (C) Reciprocating (D) Plunger
Last Answer : (B) Centrifugal
Description : Bucket type sprayer consist of: i) Single and double acting pump c) Plunger type pump j) Centrifugal pump d) All are correct
Last Answer : Single and double acting pump
Description : Bucket type sprayer consist of: A. Single and double acting pump B. Centrifugal pump C. Plunger type pump D. All are correct
Description : Erosion and pits formation on the impeller of a centrifugal pump may be due to (A) Cavitation (B) Low speed of impeller (C) Its operation with delivery valve closed for considerable time after starting the pump (D) Off centering of pump with motor
Last Answer : (A) Cavitation
Description : The pump used in airplane sprayers: A. Dentrifugal and gear pump B. Gear and Diaphragm pump C. Diaphragm and centrifugal pump D. Plunger and centrifugal pump
Last Answer : Dentrifugal and gear pump
Description : Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. (A) Piston (B) Gear (C) Positive displacement (D) Sump
Last Answer : (B) Gear
Description : . A special type of liquid transporting device is the diffuser pump, in which __________ are minimised. (A) Bearing losses (B) Disk friction (C) Shock losses (D) Cavitation
Last Answer : (C) Shock losses
Description : Which of the following is used for pumping crude oil from oil well? (A) Single stage centrifugal pump (B) Gear pump (C) Screw pump (D) Duplex/triplex reciprocating pump
Last Answer : (D) Duplex/triplex reciprocating pump
Description : A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a __________ pump. (A) Sump (B) Volute (C) Vacuum (D) Submerged
Last Answer : (C) Vacuum
Description : Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump. (A) Reciprocating (B) Plunger (C) Electromagnetic (D) Gear
Last Answer : (C) Electromagnetic
Description : In centrifugal compressor terminology, vaneless space refers to the space between A. The inlet and blade inlet edge B. Blades in the impeller C. Diffuser exit and volute casing D. Impeller tip and diffuser inlet edge
Last Answer : ANSWER : D
Description : Which one of the following statements is correct? A. Reciprocating compressors are used to supply large quantities of air at a lower pressure ratio B. Centrifugal compressors are used to supply ... . Centrifugal compressors cannot be run at high speed because of impeller, diffuser and casing.
Last Answer : ANSWER : B
Description : In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) ... level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe
Last Answer : (B) Water flow in the suction and discharge pipe of a reciprocating pump
Description : A hydraulic accumulator comprises of (A) A storage device and a control valve (B) A cylinder and a plunger (C) Two pistons and two cylinders (D) A storage tank and a ram pump
Last Answer : (B) A cylinder and a plunger
Description : Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump? (A) Increasing the impeller speed and the volute area (B) Increasing the number of vanes ... or more impellers in series on a single shaft (D) Either of (A), (B) or (C)
Last Answer : (C) Mounting of two or more impellers in series on a single shaft
Description : Sump Pump won't pump; how to fix?
Last Answer : Did you prime it to get it sucking? Small pumps will often need to be primed, especially if they were sitting dry for 20 years. Honestly, I am surprised that the motor is humming in the first ... years in a box, I would have expected the oil/lubricant/grease inside the housing to have dried out.
Description : Is there a typical lifespan for a sump pump?
Last Answer : It has to do with the number of cycles. A sump that has to turn on 5 times an hour will wear out five time fast than one that only is on once an hour. I bought a stainless steel, made in Germany, pump that ran for eighteen years without a problem, very wet basement.
Description : Is my sump pump running too long?
Last Answer : answer:Normal current surge at start-up is what creates the most wear and tear on a motor. The motor is air cooled, and it is not running long enough to overheat. Has it always performed this way? Or ... owned have had adjustments for the float. At this point, if it were mine, I would let it be.
Description : What tools will I need to clean up a sump pump mess?
Last Answer : This sounds like a HazMat scene. You may need to get a professional mold removal job done. The mask is a good idea BUT need to have the mask fitted and thoroughly cleaned after every use. You ... totally covered with mold and mildew. The studs, walls and flooring that were wet have to be replaced.
Description : Where does the water come from in a sump pump hole?
Last Answer : At our parents's house (built in 1962), the water that goes into the sump pump hole in the basement floor comes from the washing machine and utility sink when they are draining. Once the water gets to ... kicks on. The sink and washing machine are hooked up to the rest of the plumbing in the house.
Description : Taking Care Of Your Sump Pump?
Last Answer : If you live in an older home, your home might use a sump pump aspart of its sewage system. Some older homes also use a sump pump toprevent basement or crawlspace flooding. If your family's ... sand, dirt, and minerals from your pipes, can damageyour sump pump. There are chemical products available
Description : How to Troubleshoot a Sump Pump?
Last Answer : Sump pumps are used to prevent flooding in your basement. Theydo this by removing all of the excess water that is left in yoursump pit. It is important for you to understand how to fix itshould it ... to look in the drainpipe or the pump screen for thepossible clog. Make sure the pump is unplugg
Description : How To Know When A Sump Pump Will Help Dry Out Your Basement?
Last Answer : In homes across the country a damp basement is a fact of lifemany people live with. However, flowing water in any setting isproblem that generally needs to be addressed at some point in time ... , it canbe pumped into yards or other areas without fear of contamination.However, local building codes
Description : How To Install A Sump Pump In Your Home’s Crawl Space?
Last Answer : When you have a crawl space under your home, you have thepossibility of having flooding or water build up. If the level ofwater is allowed to build up too much you can find that your homecan sustain ... be level for thebest results.Step 3. Drill a small hole in the discharge pipe. This will hel
Description : Are all new homes built with a sump pump or do you have to install one yourself?
Last Answer : Not all new homes are built with a sump pump, but many communities that have had flooding problems now require them. You can install one yourself relatively easily if your home does not have one installed.
Description : How does a sump pump work and what is it used on?
Last Answer : A sump pump pumps the water that accumulates in the sump pit of your basement out into a place far enough away from your home so that it is no loner problematic. A sump pump is basically a vacumm ... in the basement of a home it is used to remove water that may find its way into your basement.
Description : What is the general cost of a sump pump?
Last Answer : Sump pumps cost around 100-300 dollars, depending on the type. This does not include the installation fee, however.
Description : Does a sump pump need regular maintenance?
Last Answer : The most important maintenance of a sump pump is to remove any dirt, particles, or debris that collects within the pump. This should be done regularly to prevent problems.
Description : what is a sump pump?
Last Answer : A sump pump is a pump used to remove water that has accumulated in a sump pit. A sump pit, commonly found in the home basement, is simply a hole to collect water. The water may enter via ... arrive because of rain or because of natural ground water, if the basement is below the water table level.
Description : Sump Pump Reviews?
Last Answer : form_title= Sump Pump Reviews form_header= Find the best Sump Pump for your home. Is this for a residential or commercial property?*= () Residential () Commercial What is your budget for sump pump?*= _ [50] Do you currently have water damage?*= () Yes () No
Description : Sump Pump Repair?
Last Answer : form_title=Sump Pump Repair form_header=11513 How would you best describe the problem?*= () "Bad odors () Motor sounds, but not discharging water () No power to sump pump unit () Water in sump overflowing () Needs general servicing () Other"
Description : Sump Pump Installation?
Last Answer : form_title=Sump Pump Installation form_header=11503 What is it you need a sump pump for?*= () Water leaks through walls () Basement floods during storms () Basement floods due to rising water table () In case ... Does the new pump location have electricity close-by?*= () Yes () No () Don't Know
Description : How to Repair a Boken Sump Pump?
Last Answer : A sump pump can normally last seven years, provided it stays covered. An uncovered pit would allow things to fall in, blocking the full ability of the pump. It is normally the small pieces that cause ... . If the pump starts and the level of water goes down, the float and switch are working normally
Description : Priming of a centrifugal pump is done to (A) Increase the mass flow rate of fluid (B) Develop effective pressure rise by the pump (C) Avoid chances of separation inside the impeller (D) None of these
Last Answer : (C) Avoid chances of separation inside the impeller
Description : Continuous injection system usually has a) plunger pump b) rotary pump c) gear pump d) vane pump
Last Answer : Answer: b Explanation: In common use continuous injection system usually has rotary pump.
Description : The pump is used in power-operated sprayer is: A. Plunger type B. Diaphragm type C. Gear type D. Piston type
Last Answer : Gear type
Description : __________ pumps are axial flow pumps. (A) Turbine (B) Propeller (C) Diffuser (D) None of these
Last Answer : (B) Propeller
Description : Crude oil is pumped by a __________ pump. (A) Gear (B) Centrifugal
Description : The type of pump used for the recirculation of molten sodium coolant in liquid metal cooled reactor is a/an __________ pump. (A) Electromagnetic (B) Reciprocating (C) Centrifugal (D) Volute
Last Answer : (A) Electromagnetic
Description : For pumping slurry, one can use a __________ pump. (A) Reciprocating (B) Diaphragm (C) Centrifugal (D) Pneumatic
Last Answer : (B) Diaphragm
Description : For the production of very high vacuum, a __________ pump is normally used. (A) Diffusion (B) Centrifugal (C) Jet ejector (D) Piston
Last Answer : (A) Diffusion
Description : Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. (A) Manometric (B) Total (C) Static (D) Friction
Last Answer : (A) Manometric
Description : Specific speed of a centrifugal pump depends upon the __________ head. (A) Suction (B) Delivery (C) Manometric (D) None of these
Last Answer : (D) None of these
Description : Boiler feed water pump is usually a __________ pump. (A) Reciprocating (B) Gear (C) Multistage centrifugal (D) Diaphragm
Last Answer : (C) Multistage centrifugal
Description : High specific speed of a pump implies that, it is a/an __________ pump. (A) Centrifugal (B) Mixed flow (C) Axial flow (D) None of these
Last Answer : (C) Axial flow
Description : A hydraulic ram acts as a/an __________ pump. (A) Centrifugal (B) Reciprocating (C) Impulse (D) Parallel cylinder
Last Answer : (C) Impulse
Description : Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. (A) ... the pump (C) Head of the liquid pumped (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Maintenance cost of a __________ pump for a particular duty is the least. (A) Centrifugal (B) Reciprocating (C) Volute (D) Gear
Last Answer : (A) Centrifugal