Explain the functions of steam nozzle.

Explain the functions of steam nozzle.
by

1 Answer

Answer :

The steam nozzle is a passage of varying cross section by means of which the thermal energy of steam is converted into kinetic energy. When steam f lows through a nozzles expansion process take place.
by

Related questions

What is the effect of friction on flow of steam through a nozzle ?

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.

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Description : The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Last Answer : (C) Both 'a' & 'b'

What is preferred location for steam out nozzle on drum?

Description : What is preferred location for steam out nozzle on drum?

Last Answer : Answer: At the end opposite to the maintenance access.

Explain the application of second law of thermodynamics to refrigerator. State any three functions of steam condenser.

Description : Explain the application of second law of thermodynamics to refrigerator. State any three functions of steam condenser. 

Last Answer : According to Clausius s statement heat cannot flow itself from cold body to a hot body without help of external agency REFERIGERATOR is shown in the figure with cold body (T2) and hot body ( ... well from where it is pumped back to the boiler. 3) To remove of air and non-condensable gases

State the term governing of turbine and explain nozzle control governing.

Description : State the term governing of turbine and explain nozzle control governing.

Last Answer : Governing of turbine: The function of governor is to regulate the supply of steam to the turbine so that the speed of rotation shall remain constant at all loads. Nozzle control governing: ... . When the load on the turbine is reduced the supply of steam to a group nozzle is shut off

For which of the following substances, the internal energy and enthalpy are the functions of temperature only  (a) any gas  (b) saturated steam  (c) water  (d) perfect gas  (e) superheated steam.

Description : For which of the following substances, the internal energy and enthalpy are the functions of temperature only  (a) any gas  (b) saturated steam  (c) water  (d) perfect gas  (e) superheated steam.

Last Answer : Answer : d

Write the functions of re-heater in steam plant.

Description : Write the functions of re-heater in steam plant.

Last Answer : Functions of re-heater:- In Re-heater temperature of exhausted steam from HP turbine is increased by passing exhausted steam again to boiler.

How do you unstick a perfume bottle nozzle?

Description : How do you unstick a perfume bottle nozzle?

Last Answer : Do you have a similar nozzle from elsewhere. If so, see if it works on bottle of perfume. Let us know!

_______________ is used to enable cold starting, with out the use of a heater plug. a) Pintaux nozzle b) Multi hole injector c) Long stem injector d) Pintle nozzle

Description : _______________ is used to enable cold starting, with out the use of a heater plug. a) Pintaux nozzle b) Multi hole injector c) Long stem injector d) Pintle nozzle

Last Answer : Answer: a Explanation: Generally, intaux nozzle is used to enable cold starting, with out the use of a heater plug.

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

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.

Under what condition a convergent divergent nozzle required ?

Description : Under what condition a convergent divergent nozzle required ?

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

Under what circumstances would there be an increase in pressure in a diver¬gent nozzle ?

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.

When maximum discharge is obtained in nozzle ?

Description : When maximum discharge is obtained in nozzle ?

Last Answer : At the critical pressure ratio.

Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Description : Bunsen burner is an example of a/an __________ burner. (A) Inside mixing/premix type (B) Outside mixing/diffusion flame/nozzle mix type (C) Rotary cup (D) Submerged combustion

Last Answer : (A) Inside mixing/premix type

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)

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)

. It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these

Description : . It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these

Last Answer : (C) Rotameter

The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir(B) Pitot tube(C) Kennison nozzle(D) V-notch

Description : The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir (B) Pitot tube (C) Kennison nozzle (D) V-notch

Last Answer : (B) Pitot tube

An ideal nozzle design aims at (A) Minimising wall friction (B) Suppressing boundary layer separation (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : An ideal nozzle design aims at (A) Minimising wall friction (B) Suppressing boundary layer separation (C) Both (A) & (B) (D) Neither (A) nor (B)

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

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 greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

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

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 greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

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

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

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

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

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

Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these

Description : Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these

Last Answer : (A) Fluid flow at the inlet to a nozzle

The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Description : The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Last Answer : (C) Sudden expansion of flow in the downstream occurs

For a given fluid flow rate, which of the following incurs maximum head loss? (A) Orificemeter (B) Venturimeter (C) Flow nozzle (D) All of them incur the same head loss

Description : For a given fluid flow rate, which of the following incurs maximum head loss? (A) Orificemeter (B) Venturimeter (C) Flow nozzle (D) All of them incur the same head loss

Last Answer : (A) Orificemeter

Which is the most efficient and best for measuring very small flow rate of gases? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Flow nozzle

Description : Which is the most efficient and best for measuring very small flow rate of gases? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Flow nozzle

Last Answer : (C) Rotameter

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 is maximum, when the head lost due to friction in the pipe is equal to one third of the total supply head (D) Both (B) and (C)

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)

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

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

The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding. (A) Runner (B) Cylinder (C) Mold (D) None of these

Description : The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding. (A) Runner (B) Cylinder (C) Mold (D) None of these

Last Answer : (A) Runner

A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a (A) Notch (B) Weir (C) Mouthpiece (D) Nozzle

Description : A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a (A) Notch (B) Weir (C) Mouthpiece (D) Nozzle

Last Answer : Answer: Option C

The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. (A) One-half (B) One-third (C) Two-third (D) None of these

Description : The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. (A) One-half (B) One-third (C) Two-third (D) None of these

Last Answer : Answer: Option B

A nozzle is generally made of (A) Cylindrical shape (B) Convergent shape (C) Divergent shape (D) Convergent-divergent shape

Description : A nozzle is generally made of (A) Cylindrical shape (B) Convergent shape (C) Divergent shape (D) Convergent-divergent shape

Last Answer : Answer: Option B

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

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

How to located feed nozzle?

Description : How to located feed nozzle?

Last Answer : Answer: Must be oriented in specific area of tray by means of internal piping.

What is preferred location for pressure instrument nozzle on drum?

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

Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a

Description : Name of instrument used for testing of spray nozzle a) Patternator b) Aerometer c) Galvanometer d) Piezometer Ans. a

Last Answer : ans a

In a sprayer overlapping can be increased by increasing a) Nozzle diameter b) Pressure c) Discharge d) Height of nozzle Ans. d

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

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

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

Last Answer : ans d

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

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

Last Answer : Ans- b. low

. Fan nozzle forms narrow. spray pattern. a. large c. Straight. d. None of above

Description : . Fan nozzle forms narrow. spray pattern. a. large c. Straight. d. None of above

Last Answer : Ans- b. elliptical.

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

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.

It is the part of cone nozzle which imparts rotation to the liquid. b. Cone plate c. Round plate d. None of above

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

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

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

nozzle which forms narrow elliptical spray pattern. a) Hollow cone nozzle b) Hard cone nozzle c) Solid cone nozzle d) Fan nozzle

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

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

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

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

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.

Component to remove suspended matter large than a predetermined size from fluid. a. Relief valve. c. Filter b. Spray gun. d. Nozzle

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

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

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

Last Answer : All of the above

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

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

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 : 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