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

Component to remove suspended matter large than a predetermined size from fluid. a. Relief valve. c. Filter b. Spray gun. d. Nozzle
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Pick out the wrong statement about cavitation. (A) Sudden reduction of pressure in a fluid flow system caused by flow separation, vortex formation or abrupt closing of valve leads to cavitation (B) Cavitation may be caused due to boiling of liquid by decreasing the pressure resulting in formation & collapse of vapor cavities (C) Cavitation begins at higher static pressure and lower velocity in larger diameter pipelines resulting in audible noise(D) Large scale cavitation cannot damage pipeline, restrict fluid flow anddamage steam turbine blades

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A shuttle valve will: a. Allow the accumulator to be emptied after engine shut down b. Reduce pump loading when normal system pressure is reached c. Automatically switched to a more appropriate source of hydraulic supply d. Operate on a rising pressure, higher than the Full Flow relief valve

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Last Answer : c. Automatically switched to a more appropriate source of hydraulic supply

For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is (A) More (B) Less (C) Equal (D) Either (A) or (B); depends on the viscosity of the fluid

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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 ?

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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.

When maximum discharge is obtained in nozzle ?

Description : When maximum discharge is obtained in nozzle ?

Last Answer : At the critical pressure ratio.

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

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

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Last Answer : Ans- b. low

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 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.

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

In the natural draft cooling tower_________ is not required a) Fan b) tower c) Nozzle d) none 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

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

What causes a water heaters relief valve to discharge water?

Description : What causes a water heaters relief valve to discharge water?

Last Answer : The relief valves are installed on every water heater for your safety. If the tank builds up too much pressure inside it can explode. The relief valve is there to relieve the pressure in the ... the tank exceeds this limit the pressure valve is activated and will relieve the pressure in the tank.

Do all propane tanks have a relief valve?

Description : Do all propane tanks have a relief valve?

Last Answer : Propane tanks are required to have a safety relief valve. The relief valve is a safety device on the propane tank to vent excess pressure.

Do I need threaded or flanged type of vacuum relief valve?

Description : Do I need threaded or flanged type of vacuum relief valve?

Last Answer : You should take your current one off and see what type you have. If you can't take it off, then you should go down to your local parts store and ask them which one your vehicle takes. They have a huge database that typically lists all of the different parts that are needed.

The moisture in a refrigerant is removed by (a) evaporator (b) safety relief valve (c) dehumidifier (d) driers

Description : The moisture in a refrigerant is removed by (a) evaporator (b) safety relief valve (c) dehumidifier (d) driers

Last Answer : Ans: d

Foot valve provided in the pump is a __________ valve. (A) Direction control (B) Back pressure (C) Relief (D) Pressure reduction

Description : Foot valve provided in the pump is a __________ valve. (A) Direction control (B) Back pressure (C) Relief (D) Pressure reduction

Last Answer : (B) Back pressure

A relief valve (A) Provides back pressure for a cylinder (B) Unloads a pump (C) Is a directional control valve (D) None of these

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Last Answer : (C) Is a directional control valve

Purpose of relief valve in a reciprocating pump is to (A) Protect the pump against developing excessive pressure (B) Facilitate unidirectional flow of liquid (C) Reduce the discharge pressure (D) Control the rate of discharge

Description : Purpose of relief valve in a reciprocating pump is to (A) Protect the pump against developing excessive pressure (B) Facilitate unidirectional flow of liquid (C) Reduce the discharge pressure (D) Control the rate of discharge

Last Answer : (A) Protect the pump against developing excessive pressure

What is relief valve?

Description : What is relief valve?

Last Answer : Answer: Valve to relieve excess pressure in liquids in situations where full flow discharge is not required, when release of small volume of liquid would rapidly lower pressure.