Description : The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a (A) Boundary mixer (B) Propeller agitator (C) Sharpies centrifuge
Last Answer : (A) Boundary mixer
Description : A propeller agitator (A) Produces mainly axial flow (B) Is used for mixing high viscosity pastes (C) Runs at very slow speed (2 rpm) (D) All (A), (B) and (C)
Last Answer : (A) Produces mainly axial flow
Description : Agitator(propeller or paddle)type for agitating liquid in power sprays have a velocity of a.100-120 rpm b.60-100 rpm c.10-20 rpm d. none of the above
Last Answer : a.100-120 rpm
Description : Pick out the wrong statement pertaining to the turbine agitator. (A) Recommended peripheral speed for the turbine agitator is 200-250 metres/minute (B) Pitched blade turbine agitator gives only radial flow with ... l/4th of agitator diameter (with central disc, it is l/8th of the agitator diameter)
Last Answer : (B) Pitched blade turbine agitator gives only radial flow with complete absence of the axial flow
Description : Which of the following agitators having a large blade area, rotating at slow speed is used for mixing high viscosity liquids (> 50000 centipoise)? (A) Propeller (B) Helical screw (C) Flat blade turbine (D) Curved blade turbine
Last Answer : (B) Helical screw
Description : __________ pumps are axial flow pumps. (A) Turbine (B) Propeller (C) Diffuser (D) None of these
Last Answer : (B) Propeller
Description : __________ is an example of axial flow impeller. (A) Paddle (B) Turbine (C) Propeller (D) All (A), (B) and (C)
Last Answer : (C) Propeller
Description : The propeller shaft speed in a turbo-electric, synchronous, propulsion drive motor is changed by varying the __________. A. turbine speed B. number of motor poles C. field strength of the generator D. field strength of the motor
Last Answer : Answer: A
Description : Paddle agitator (A) Is suitable for mixing low viscosity liquids (B) Produces axial flow (C) Moves at very high speed (D) None of these
Last Answer : (A) Is suitable for mixing low viscosity liquids
Description : Propeller type centrifugal pumps are most suitable for (A) High capacity at high heads (B) High capacity at low heads (C) Low capacity at high heads (D) Low capacity at low heads
Last Answer : (B) High capacity at low heads
Description : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous cartilage is the hardest cartilage.
Last Answer : Assertion : Fibrous cartilage posses thich dense bundle of collagen fibre in matrix. Reason : Fibrous ... D. If both Assertion & Reason are false.
Description : What are cordlike structures composed of dense fibrous connective tissue that attach muscles to bones?
Last Answer : Need answer
Description : The metering mechanism which is most suitable for metering of small seed is to handle is a. Internal double run mechanism b. Fluted wheel mechanism c. Stationery opening with agitator d. None of the above
Last Answer : b. Fluted wheel mechanism
Description : When mild steel is subjected to a tensile load, its fracture will conform to (a) Star shape (b) Granular shape (c) Cup and cone shape (d) Fibrous shape
Last Answer : (c) Cup and cone shape
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 : 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 : Plunger pumps are used for (A) Higher pressure (B) Slurries (C) Viscous mass (D) None of these
Last Answer : (A) Higher pressure
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 : Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod
Last Answer : (B) Boiler plates, rivets etc.
Description : Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms
Last Answer : (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature
Description : Helical screw agitator is used for (A) Mixing highly viscous pastes (B) Blending immiscible liquids (C) Mixing liquids at very high temperature (> 250 °C) (D) None of these
Last Answer : (A) Mixing highly viscous pastes
Description : About 2-3 hp, power per gallon of a thin liquid provides vigorous agitation in an agitator. 'Power number' in agitation is given by (A) P. gc /n 3 . D2 . ρ (B) P. gc . ρ/µ
Last Answer : (A) P. gc /n 3 . D2 . ρ
Description : Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is (A) > 10 (B) < 10 (C) > 100 (D) < 100
Last Answer : (B) < 10
Description : Agitator is provided in a crystalliser for (A) Avoiding deposition on cooler surfaces (B) Formation of nuclei (C) Crystal growth (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : In Joule's experiment, an insulated container contains 20 kg of waterinitially at 25°C. It is stirred by an agitator, which is made to turn by a slowly falling body weighing 40 kg through a height of 4 m. The process is repeated ... temperature of water (in °C) is (A) 40.5 (B) 34.4 (C) 26.8 (D) 25
Last Answer : (B) 34.4
Description : Scale up of agitator design requires (A) Geometrical similarity only (B) Dynamic similarity only (C) Both geometrical and dynamic similarity (D) All geometrical, dynamic and kinematic similarity
Last Answer : (D) All geometrical, dynamic and kinematic similarity
Description : Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C? (A) Monel (B) Stainless steel (C) Graphite (D) Kel-F and Teflon
Last Answer : (B) Stainless steel
Description : Nickel made/clad equipments are suitable for handling (A) Ammonia (both aqueous & anhydrous) (B) Fruit juices, milk & its products and caustic soda solution (C) Nitric acid & hydrochloric acid (concentrated) (D) Sulphuric acid (concentrated)
Last Answer : (B) Fruit juices, milk & its products and caustic soda solution
Description : Specify the material of construction suitable for handling concentrated HNO3 at 100°C. (A) High silicon iron, Kel-F and Teflon (B) Tin and wood (C) Silicone rubber (D) Stainless steel
Last Answer : (A) High silicon iron, Kel-F and Teflon
Description : For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel
Last Answer : (B) Cast iron
Description : Wrought iron is a suitable material of construction for handling __________ solutions (A) Dilute acidic (B) Concentrated acidic (C) Alkalis & alkaline (D) None of these
Last Answer : (C) Alkalis & alkaline
Description : Wrought iron is a suitable material of construction for handling __________ solutions. (A) Dilute acidic (B) Concentrated acidic (C) Alkalis & alkaline (D) None of these
Description : Lead lined equipments & vessels are suitable for handling (A) Hydrochloric acid (10%) (B) Nitric acid (C) Sulphuric acid upto 60°C (D) All (A), (B) and (C)
Last Answer : (C) Sulphuric acid upto 60°C
Description : Which of the following material handling equipments is not suitable for moving materials in varying paths? (A) Hand trolley (B) Belt conveyor (C) Crane (D) Truck
Last Answer : (B) Belt conveyor
Description : Enlist any four factors which affect selection of material handling system. Explain which type of material handling system is suitable for: (i) Unloading two wheelers from truck ii) Stacking of pallets in store racks.
Last Answer : Four Factors affecting Selection of Material Handling System: [1] Adaptability and Flexibility [2] Type of Material to be handled [3] Type of Layout [4] Type of Production [5] ... [11] Cost of installation and handling Suitable Material Handling Devices for Following Activities:
Description : When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is (A) Circular (B) Tangent (C) Elliptical (D) Turbine
Last Answer : Answer: Option B
Description : For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjustable vanes is (A) Kaplan (B) Francis (C) Pelton (D) Impeller
Last Answer : For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjustable vanes is Kaplan
Description : What is the Difference between agitator and impeller in a washing machine?
Last Answer : What is the answer ?
Description : What is an agitator and how is it used?
Last Answer : An agitator is a device or mechanism to put something into motion by shaking or stirring. There are several different types of agitators, such as manual, a washing machine agitator, and a magnetic agitator.
Description : A Power sprayer essentially consists of: a) Tank a) Agitator b) Pressure Gauge c) All of the above
Last Answer : All of the above
Description : BABE RUTH was a: (a) Priest (b) Political Agitator (c) Player
Last Answer : (c) Player
Description : Most commonly used metering device for bulk flow seed metering of small and medium size seeds (grains) a) Fluted wheel b) Internal double run c) Stationary opening with agitator d) None of the above
Last Answer : a) Fluted wheel
Description : How much carry-on space is there in a propeller plane?
Last Answer : Well, what kind is it?
Description : What is the rotation per second of an aircraft propeller?
Last Answer : It varies. Here is a calculator
Description : Why are propeller planes so loud if they're so far away?
Last Answer : Most of the time propeller planes do not have exhaust mufflers. this makes the engine extremely loud. and, since the airplane is on the ground, the earth acts as bouncing board for the airplanes loud ... are not this loud, since they are away from you, away from the ground and in open space.
Description : What was the name of the one who invented the propeller?
Last Answer : Propeller invented by Josef Ressel (Otto Wichterle invented contact lenses): D