Description : Multistage centrifugal pumps are generally used for (A) High head (B) Low head but high discharge (C) Highly viscous liquid (D) Slurries of high solid concentration
Last Answer : (A) High head
Description : Reciprocating pumps compared to centrifugal pumps (A) Deliver liquid at uniform pressure (B) Can handle slurries more efficiently (C) Are not subject to air binding (D) Can be operated with delivery valve closed
Last Answer : (C) Are not subject to air binding
Description : Diaphragm pumps are used to transport (A) Solids (B) Liquids (C) Fluids (D) Slurries
Last Answer : (D) Slurries
Description : Which of the following is the most suitable for handling fibrous and dense slurries? (A) Propeller agitator (B) Cone type agitator (C) Turbine agitator
Last Answer : (B) Cone type agitator
Description : Slurries can be most conveniently pumped by a __________ pump. (A) Screw (B) Reciprocating (C) Gear (D) Centrifuga
Last Answer : (D) Centrifuga
Description : What is some common piping materials used to transport slurries?
Last Answer : When selecting a piping material to transport slurries, corrosion and erosion considerations must be accounted for. Some of the most popular piping materials include: ► Carbon Steel ► Stainless ... polyvinyl chloride (uPVC) ► Fiberglass reinforced plastic (FRP) ► Elastomer-lined carbon steel
Description : Are there any general rules that should be considered when designing a slurry piping system? The following are items to consider when designing a piping system that will transport slurries:
Last Answer : 1) Whenever possible, piping should be designed to be self-draining 2) Manual draining should be installed to drain sections of the piping when self-draining is not possible 3) Blow-out or ... flanges should be provided every 20 feet of horizontal pipe or after every two changes in direction
Description : What type of flow measurement devices is best for slurries?
Last Answer : Any device that restricts the flow to perform measurements is not recommended for slurries. These devices include orifices and dampeners. These devices can lead to liquid/solid separation and they can lead to ... the flow should be used. One example of such a device is the magnetic flow meter.
Description : Analogy between mass and heat transfer is not applicable in case of (A) Same velocity profile or equal eddy diffusivities (B) Thermal or pressure mass diffusion (C) Viscous heating or chemical reaction (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)
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 : Reciprocating pumps are not able to compete with the centrifugal pump for industrial use, mainly because these pumps have (A) Very low speeds (B) Smaller discharge (C) Higher capital &maintenance cost (D) High vibrations
Last Answer : (C) Higher capital &maintenance cost
Description : The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force
Last Answer : Answer: Option A
Description : A syringe has a volume of 10.0 cm^3 at pressure 1 atm. If you plug the end so that no gas can escape and push the plunger down,
Last Answer : A syringe has a volume of 10.0 cm3 at pressure 1 atm. If you plug the end so that no gas can ... the final volume to change the pressure to 3.5 atm?
Description : Fqra cold viscous feed, backward feed gives __________ than forward feed. (A) A higher capacity (B) A lower capacity (C) Lower economy (D) None of these
Last Answer : (A) A higher capacity
Description : Pick up the correct statement from the following regarding radial flow centrifugal pumps: (A) These are provided with volute type or turbine type casings (B) In involute type of radial flow ... centrifugal pump, is always higher than that of volute type (D) All the above
Last Answer : (D) All the above
Description : In diabetic patients, round the clock tight control of hyperglycaemia achieved by multiple daily insulin injections or insulin pumps: A. Prevents macrovascular disease more effectively B. Is recommended ... Is associated with higher incidence of hypoglycaemic reactions D. Both A and C are correct
Last Answer : D. Both A and C are correct
Description : Pick out the wrong statement. (A) A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocit (B) Newton's law of viscosity is not applicable to the ... types of bearings (D) Rise of water in capillary tubes reduces with the increasing diameter of capillary tubes
Last Answer : (B) Newton's law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution
Description : Draining of shallow pits or sump is done by a sump pump, which is a __________ pump. (A) Single stage vertical (B) Centrifugal (C) Plunger (D) Diffuser
Last Answer : (A) Single stage vertical
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 : 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 : A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg. (A) 10 (B) 100 (C) 1000 (D) 10000
Last Answer : (B) 100
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 : 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 : Which of the following is not applicable to liquid fuels? a) the viscosity of a liquid fuel is a measure of its internal resistance to flow. b) the viscosity of all liquid fuels decreases with ... the viscosity of liquid fuels, higher will be its heating value d) viscous fuels need heat tracing
Last Answer : c) higher the viscosity of liquid fuels, higher will be its heating value
Description : . In a backward feed multiple effect evaporator (A) Feed is introduced in the first effect (B) Feed flows from low pressure to high pressure (C) No pumps are required between successive effects (D) None of these
Last Answer : (B) Feed flows from low pressure to high pressure
Description : Which of the following produces maximum pressure difference for transportation of gases? (A) Vacuum pumps (B) Blowers (C) Fans (D) Compressors
Last Answer : (D) Compressors
Description : Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg. (A) 1 (B) 0.1 (C) 0.01 (D) 0.001
Last Answer : (C) 0.01
Description : Foot valves provided in pumps are __________ valves. (A) Relief (B) Three/four way (C) Pressure reducing (D) Directional contro
Last Answer : (D) Directional control
Description : In centrifugal pumps, cavitation occurs, when pressure of the impeller eye or vane becomes (A) Less than atmospheric pressure (B) More than liquid vapor pressure (C) Less than liquid vapor pressure (D) More than atmospheric pressure
Last Answer : (C) Less than liquid vapor pressure
Description : Which of the following fluid forces are not considered in the NavierStoke's equation? (A) Gravity forces (B) Viscous forces (C) Pressure forces (D) Turbulent forces
Last Answer : (D) Turbulent forces
Description : The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and (A) Moving (B) Static (C) Cold (D) Hot
Last Answer : (A) Moving
Description : Which of the fluid forces are not considered in the Reynold's equation of flow? (A) Viscous forces (B) Turbulent forces (C) Pressure forces (D) Compressibility forces
Last Answer : (D) Compressibility forces
Description : Pressure co-efficient is the ratio of pressure forces to __________ forces. (A) Gravity (B) Inertial (C) Viscous (D) None of these
Last Answer : (B) Inertial
Description : The pressure co-efficient is the ratio of pressure forces to __________ forces. (A) Viscous (B) Inertial (C) Gravity (D) Surface tension
Last Answer : (A) Viscous
Description : Euler number is defined as the ratio of inertia force to __________ force. (A) Pressure (B) Elastic (C) Gravity (D) Viscous
Last Answer : (A) Pressure
Description : _________ fluid force is not considered in the Navier-Stokes equation. (A) Turbulent (B) Viscous (C) Gravity (D) Pressure
Last Answer : (A) Turbulent
Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m B. 80 x 10 3 N-s/m C. 42 x 10 3 N-s/m D. None of the above
Last Answer : C. 42 x 10 3 N-s/m
Description : Calculate coefficient of viscous damper, if the system is critically damped. Consider the following data: 1. Mass of spring mass damper system = 350 kg 2. Static deflection = 2 x 10 -3 m 3. Natural frequency of the system = 60 rad/sec ... /m b. 80 x 10 3 N-s/m c. 42 x 10 3 N-s/m d. None of the above
Last Answer : c. 42 x 10 3 N-s/m
Description : Would you have any problem sticking your hand in your toilet tank to pull the plunger to flush the toilet?
Last Answer : Nope. Done it many times, for various reasons. It’s sticking my hand in the bowl that I would balk at.
Description : What do you do with the plunger when you're done?
Last Answer : Flush toilet clean, dip it a few times in clean water, dip again for good measure then lay it on paper towels or newspaper to dry. What REALLY got to me was when the neighbor across the road came and asked to borrow it!
Description : Plumbing emergency! Draino or a plunger?
Last Answer : I prefer to bust out the plunger, nothing like the good ol’ plunger.
Description : What type of plumbing supplies might I need to unclog a toilet that is not responding to a plunger:?
Last Answer : If you’re plunging make sure to remove the water from the toilet to get the best results. That way you can flush the toilet without it overflowing. You can try using a snake (or plumber’s auger). The ... will grind its way through the clog. If that doesn't work, you may need to call a plumber.
Description : wanted spring loaded plunger castor for stepping stool, who has castor and shaft ,all plastic for light work?
Last Answer : This page has what you want located on it, www.pianobenchesetc.com/store/home.php?cat=1
Description : What is the best style of plunger?
Last Answer : A simple plunger will do all you need, no need for any fancy trim.
Description : Dead fish in vaccume clogged plunger not working?
Last Answer : This happened to my hamster once
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 : If a circuit breaker that utilizes built-in, current limiting fuses (CLF's) cannot be closed, the problem may be traced to __________. A. a blown CLF plunger holding the trip bar in the open position B. a missing CLF C. a misaligned limiter housing assembly D. all of the above
Last Answer : Answer: D
Description : The set point current at which a magnetic-type overload relay tends to trip may be increased by turning the dashpot in the 'lower' direction. This action _____________. A. reduces magnetic force on ... the relay D. increases magnetic force on the plunger and requires less current to trip the relay
Last Answer : Answer: A
Description : The current at which a magnetic-type overload relay tends to trip may be decreased by raising the plunger further into the magnetic circuit of the relay. This action ___________. A. reduces magnetic ... the relay D. increases magnetic pull on the plunger and requires less current to trip the relay
Description : A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to (A) 10 kg (B) 100 kg (C) 1000 kg (D) 1 kg