Fan nozzle mostly used for pressure spraying. b. high c. moderate d. None of above

1 Answer

Answer :

Ans- b. low

Related questions

Description : The nozzle used for chemical spraying of weedicides (a) hollow cone nozzle (b) solid cone nozzle (c) flat fan nozzle (d) flooding nozzle

Last Answer : (c) flat fan nozzle

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 : A flat fan nozzle is suitable for a) Foliage spray b) Insect control c) Spot spray d) Herbicide spray

Last Answer : ans d

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 : 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

Last Answer : All of the above

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 : 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 : 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 : 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 : 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 : Spary angle for fan nozzle and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150

Last Answer : c) 60-95

Description : Spray Angle for fan nozzles and hollow cone nozzle a) 40-50 b) 50-60 c) 60-95 d) 100-150

Last Answer : c) 60-95

Description : Is it advisable to cool a fin fan by spraying demineralized water on it?

Last Answer : Fin fan has carbon steel tubes with aluminum fins RESPONSE In a similar service, the fin fan suffered external corrosion when spraying it with demin water. The salt and oxygen in the air ... , which should significantly lower the likelihood of cold ambient temperature causing the gas to condense.

Description : Under what condition a convergent divergent nozzle required ?

Last Answer : When pressure ratio is greater than critical pressure ratio.

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 : 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 : The conventional type of Mower consists of which of the following a) Wearing Plate b) Nozzle c) Air Chamber d) None of the above

Last Answer : Wearing Plate

Description : Basic components of sprayer is a) Nozzle body b) Spray boom c) Nozzle cap d) All of the above

Last Answer : 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 : Nozzle consists of components a) Washer b) Vortex plate c) Strainer d) All of the above

Last Answer : All of the above

Description : Basic components of sprayer. a. Nozzle body b. Nozzle boss c. Filter d. Spray gun e. All of the above

Last Answer : All of the above

Description : Open system usually encloses which of the following devices?  A. Compressor  B. Turbine  C. Nozzle  D. All of the above

Last Answer : All of the above

Description : ULV spraying is used for a) Minimizing drift b) Reduce application rate c) Aerial spraying d) Spot application

Last Answer : ans b

Description : Hand atomizer is used for spraying in: A. Nursery B. Orchard C. Field crop D. None of these

Last Answer : Nursery

Description : Cooling efficiency of a cooling tower is significantly affected under cross-wind condition and might decrease to……… in the range of moderate to high wind velocity condition. a) 50% c) 25% b) 75% d) 90%

Last Answer : 75%

Description : Harvesting by sickle is a. very fast b. moderate d. None of above

Last Answer : Ans-                                c. very slow

Description : The disc is usually the preferred system as it takes and can handle obstacles much easier. A. Less power. C) More power B. Moderate power. D) None of the above

Last Answer : Less power

Description : Higher the number stars, EER or efficiency will be. A. Greater C. Lesser B. Moderate D. None of the above

Last Answer : Greater

Description : Why is induced draught considered better than the forced draught? a) Because power requirement is high for forced draught b) Maintenance of induced draught fan is costlier c) Forced draught is less efficient d) Forced draught produces less amount of speed of air

Last Answer : Because power requirement is high for forced draught

Description : With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the (A) Velocity increases (B) Pressure decreases (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Sele(A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement. (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement

Description : Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter

Description : Out of the following flow measuring devices, which one incurs themaximum installation cost as well as pressure loss? (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) Orificemeter

Last Answer : (B) Venturimeter

Description : For the same flow rate of a fluid, the pressure drop is the least for (A) Venturimeter (B) Orificemeter (C) Flow-nozzle (D) Δp is same for all

Last Answer : (A) Venturimeter

Description : In case of a pipe exit fitted with a nozzle, the (A) Conversion of kinetic head to pressure head is facilitated (B) Conversion of pressure head to kinetic head is facilitated (C) Power transmitted through the nozzle ... in the pipe is equal to one third of the total supply head (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Description : In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle

Last Answer : (B) Pitot tube

Description : What is preferred location for pressure instrument nozzle on drum?

Last Answer : Answer: Must be anywhere in the vapor space, preferable at the top section of drum

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 : Flow rates of particular nozzle is directly proportional to a. square root of pressure b. orifice area c. Both (a) and (B) d. none of the above

Last Answer : c. Both (a) and (B)

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 : Injection pressure of fuel nozzle in diesel engine is a) 30-45 kg/cm2 b) 50-100 kg/cm2 c) 120-200 kg/cm2 d) 200 kg/cm2

Last Answer : c) 120-200 kg/cm2

Description : Vacuum is generally maintained in the vapour space of an evaporator mainly to (A) Get economical temperature difference by using moderate pressure steam (B) Facilitate forward ... (C) Concentrate heat sensitive materials (D) Achieve very high concentration of the final product

Last Answer : (A) Get economical temperature difference by using moderate pressure steam

Description : Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of A- high osmotic pressure B- low osmotic pressure C- moderate osmotic pressure D- high surface tension

Last Answer : high osmotic pressure

Description : A manometer is used to measure (A) Low pressure (B) Moderate pressure (C) High pressure (D) Atmospheric pressure

Last Answer : Answer: Option C

Description : A Piezometer tube is used only for measuring (A) Low pressure (B) High pressure (C) Moderate pressure (D) Vacuum pressure

Last Answer : Answer: Option C