Description : Nozzle consists of components a) Washer b) Vortex plate c) Strainer d) All of the above
Last Answer : All of the above
Description : Hallow cone nozzle – liquid is fed into whirl chamber through entry or through a fixed spiral passage to give rotation motion. a. Axial b. Radial c. tangential. d. None of above
Last Answer : Ans- c. tangential.
Description : It is the part of cone nozzle which imparts rotation to the liquid. b. Cone plate c. Round plate d. None of above
Last Answer : Ans- a. Swirl plate
Description : In pre-chamber and swirl type of combustion system ______________ is used. a) single hole injector b) multi hole injector c) long stem injector d) pintle nozzle
Last Answer : Answer: d Explanation: In pre-chamber and swirl type of combustion system pintle nozzle is used and not the other nozzles.
Description : type of connecting rod which is pinned to the crankshaft with the help of a pin, which helps to transmit the cut material. a) Pitman b) Cutter bat c) Shoe d) Wearing plate
Last Answer : Pitman
Description : are the labelling of cutter bar. a) Shoe, ledger plate, wearing plate, knife, knife section, etc. b) Star wheel, engine, cage wheel, etc. c) both A & B d) Conveyor belt, cutter bar, rivers, etc
Last Answer : Shoe, ledger plate, wearing plate, knife, knife section, etc.
Description : rank speed on the mower with conventional pit man drive is a)850-1000 rpm b)1000-1200rpm c)800-1150rpm d)1200-1600 rpm
Last Answer : a)850-1000 rpm
Description : 267 .Double knives movers offers advantage over conventional mower are a)Double knife are dynamically balanced b) They can be operated at higher forward speeds then conventional mower c)They produce more uniform stubble height d)All of the above
Last Answer : d)All of the above
Description : Which of the following instruments is used to measure flow on the application of Bernoulli's theorem? (A) Venturimeter (B) Orifice plate (C) Nozzle (D) All of the above
Last Answer : Answer: Option D
Description : swirl plate in the cone nozzle is provided to. a. Impart rotational motion to the liquid passing through it. b. To increase the droplet size. c. To decrease the droplet size. d. To increase the spray angle.
Last Answer : a. Impart rotational motion to the liquid passing through it.
Description : is the types of nozzle used in sprayers a) Hollow cone type of nozzle b) Solid cone type nozzle c) Fan type nozzle d) All of the above
Description : Under what condition a convergent divergent nozzle required ?
Last Answer : When pressure ratio is greater than critical pressure ratio.
Description : Under what circumstances would there be an increase in pressure in a diver¬gent nozzle ?
Last Answer : For subsonic flow at inlet section of a diffuser a lower velocity and higher pressure will exist at the exit section. For supersonic isentropic flow at the inlet section a higher velocity and lower pressure ... if a shock wave occurs in the diffuser then a higher pressure will exist at the exit.
Description : What is the effect of friction on flow of steam through a nozzle ?
Last Answer : To decrease both mass flow rate and wetness of steam.
Description : When maximum discharge is obtained in nozzle ?
Last Answer : At the critical pressure ratio.
Description : Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a
Last Answer : ans a
Description : In a sprayer overlapping can be increased by increasing a) Nozzle diameter b) Pressure c) Discharge d) Height of nozzle Ans. d
Last Answer : ans d
Description : A flat fan nozzle is suitable for a) Foliage spray b) Insect control c) Spot spray d) Herbicide spray
Description : Fan nozzle mostly used for pressure spraying. b. high c. moderate d. None of above
Last Answer : Ans- b. low
Description : . Fan nozzle forms narrow. spray pattern. a. large c. Straight. d. None of above
Last Answer : Ans- b. elliptical.
Description : nozzle which forms narrow elliptical spray pattern. a) Hollow cone nozzle b) Hard cone nozzle c) Solid cone nozzle d) Fan nozzle
Last Answer : Fan nozzle
Description : Basic components of sprayer is a) Nozzle body b) Spray boom c) Nozzle cap d) All of the above
Description : Nozzle diameter of hand atomizer is between ………… to ………… a. 0.7 – 1.5. c. 1.1- 1.5 b. 0.6 – 1.6. d 0.8 to 1.8
Last Answer : 0.6 – 1.6.
Description : Component to remove suspended matter large than a predetermined size from fluid. a. Relief valve. c. Filter b. Spray gun. d. Nozzle
Last Answer : Filter
Description : is the minimum pressure required for operating a nozzle in desirable condition a) 1 kg/cm b) 1.5kg/cm c) 2 kg/cm d) 2.5kg/cm
Last Answer : 1.5kg/cm
Description : Basic components of sprayer. a. Nozzle body b. Nozzle boss c. Filter d. Spray gun e. All of the above
Description : Junior hoe consist of and attached to the framework with hinge arrangement a) Reversible showers, nozzle body b) Reversible shovels, curved tynes c) Reversible shovels, curved tyres d) Pressure regulator, spray lance
Last Answer : Reversible shovels, curved tynes
Description : In the natural draft cooling tower_________ is not required a) Fan b) tower c) Nozzle d) none of the above
Last Answer : Fan
Description : Open system usually encloses which of the following devices? A. Compressor B. Turbine C. Nozzle D. All of the above
Description : One of the following is a device that detects charged particles but does NOT show their tracks. Is this device the: w) spark chamber x) photographic plate y) scintillation counter z) bubble chamber
Last Answer : ANSWER: Y -- SCINTILLATION COUNTER
Description : It is a machine to separate grains from the harvested crop and provide clean grain without much loss and damage. a. Weeder c. mower d. None of above
Last Answer : Ans- b. thresher
Description : A mower knife is said to be in proper registration when the knife section stops in the ……………..of its guard ( fingers ) on every stroke a. offset c. inclined d. None of above
Last Answer : <!-- [if !supportLists] -->a. <!-- [endif] -->Ans- b. centre
Description : It is the link between the knife and crank wheel of the mower. a. connecting rod c. rod d. None of above
Last Answer : Ans- b. Pitman
Description : Flail mower is a mower with high speed swinging knives, operating in a. horizontal plane c. Vertical plane d. None of above
Last Answer : Ans- b. either in the horizontal plane or in the vertical plane
Description : It is a mower with a knife made of several serrated triangular sections that reciprocate against stationary fingers. a. Rotary mower c. Cylinder mower. d. None of above
Last Answer : Ans- b. Reciprocating mower
Description : Cylinder mower has rotating blades arranged in cylindrical form. a. Straight c. inclined. d. None of above
Last Answer : Ans- b. helical
Description : is a common troubles in the operation of Mower. a) Knives get twisted. b) Knives get melted. c) Knives gets rusted. d) Knives gets break
Last Answer : Knives gets break
Description : is a machine to cut herbage crops and leave the them in swath. a) Wind rower b) Sickle mower c) Fail mower d) Gang mower
Last Answer : Sickle mower
Description : This type of plough penetrate deeper than the conventional cultivation machinery and break up the layers of the soil. a. Chisel plough b. Disc plough d. None of the above
Last Answer : Ans - c. sub-soiler plough
Description : Foam spraying requires special type of nozzle A. Flat fan nozzle B. Flooding nozzle C. Hollow cone nozzle D. Air aspiring nozzle
Last Answer : D. Air aspiring nozzle
Description : What is the use of flash chamber in a vapour compression refrigeration cycle to improve the COP of refrigeration cycle ?
Last Answer : When liquid refrigerant as obtained from condenser is throttled, there are some vapours. These vapours if carried through the evaporator will not contribute to refrigerating effect. Using a flash ... out in stages. Similarly compression process is also done in two separate compressor stages.
Description : Carbonisation of coal consists of A. drying and crushing the coal to a fine powder B. moulding the finely ground coal under pressure with or without a binding material C. heating the wood with a limited supply of air to temperature not less than 280°C D. none of the above
Last Answer : Answer: D
Description : Farm mechanization has helped in of agriculture from conventional to commercial crops a) Transformation b) Diversification c) Transport d) None of the above
Last Answer : Diversification
Description : .In Hydraulic sprayers, the degree of atomization is primarily a function of A. Liquid pressure and the nozzle characteristics B. Air velocity C. Size of the nozzle D. Size and shape of the atomizer
Last Answer : A. Liquid pressure and the nozzle characteristics
Description : In hydraulic sprayers, the degree is primarily a function of: a) Liquid pressure and the nozzle characteristics b) Air velocity c) Size of the nozzle d) Shape and size of the atomizer
Last Answer : a) Liquid pressure and the nozzle characteristics
Description : Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the (A) Physical nature, ash content and fineness of the coal (B) Amount of excess air supplied and load on the boiler (C) Type of burner and combustion chamber (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Knife clips are placed with wearing plates spaced from cm apart. A) 10-20cm B) 60-90cm C) 15-25cm D) 20-30cm
Last Answer : 20-30cm
Description : Knife clips are placed with wearing plates spaced to apart a) 20 to 30 b) 45 to 60 c) 20 to 35 d) 30 to 40
Last Answer : 20 to 30
Description : is an assembly comparing of fingers, knife guides on wearing plates and shoe. a) Cutter bar b) Knife section c) Pitman d) Shoe
Last Answer : Cutter bar
Description : This type thresher consists of a flywheel with corrugation on its periphery and sides. Rims of flywheel fitted with chopping blades. b. Axial flow c. Dummy d. None of above
Last Answer : Ans- a. Syndicator