Device to control the pressure of fluid and gases within range of settings. a. Relief valve. c. Filter b. Spray gun. d. Pressure regulator

Device to control the pressure of fluid and gases within range of settings. a. Relief valve. c. Filter b. Spray gun. d. Pressure regulator
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Pressure regulator
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Last Answer : (C) Merely compressing it beyond critical pressure

Boyle’s law i.e. pV = constant is applicable to gases under  (a) all ranges of pressures  (b) only small range of pressures  (c) high range of pressures  (d) steady change of pressures  (e) atmospheric conditions.

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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.

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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.

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

Last Answer : Ans: d

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.

Why is there a relief valve on a turbine casing?

Description : Why is there a relief valve on a turbine casing?

Last Answer : The turbine casing is fitted with spring-loaded relief valves to prevent damage by excessive steam pressure at the low-pressure end if the exhaust valve is closed accidentally. Some casings on smaller ... -pressure of the exhaust end. A spring-loaded relic valve is needed to relieve high pressure.

A relief valve

Description : A relief valve

Last Answer : C. Relieves at a designed pressure

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Last Answer : ans d

A globe valve is the most suitable for applications, in which (A) Fluid flow control is required (B) Fluid contains dispersed solid particles (C) Valve is required to be either fully open or fully closed (D) One way flow is required

Description : A globe valve is the most suitable for applications, in which (A) Fluid flow control is required (B) Fluid contains dispersed solid particles (C) Valve is required to be either fully open or fully closed (D) One way flow is required

Last Answer : (A) Fluid flow control is required

The valve used for very remote and accurate control of fluid is a __________ valve. (A) Needle (B) Globe (C) Gate (D) Butterfly

Description : The valve used for very remote and accurate control of fluid is a __________ valve. (A) Needle (B) Globe (C) Gate (D) Butterfly

Last Answer : (A) Needle

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid flow control. It is caused due to (A) Reynold stresses (B) Shear forces (C) Both (A) & (B) (D) Neither (A) nor (B)

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

What stun gun, pepper spray?

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Last Answer : It is best to spray pepper spray with a longer range and it is best to blind the attacker with a flashlight and see into the face and hit the face more precisely. Definitely a pepper.

What are the advantages of a paint spray gun?

Description : What are the advantages of a paint spray gun?

Last Answer : Sometimes it is better to use a paint spray gun. You can read about the advantages at this website http://www.thisoldhouse.com/toh/article/0,,390416,00.html

What would a spray gun be used for?

Description : What would a spray gun be used for?

Last Answer : A spray gun can be used for several things. One use is to spray paint on house or anything you need to paint. Second use is to spray water either with power washer or with water hose.

Is a hvlp spray gun cheaper at Lowe's or Home Depot?

Description : Is a hvlp spray gun cheaper at Lowe's or Home Depot?

Last Answer : Hvlp spray guns are available at both Lowe's and Home Depot. Lowe's sells single hvlp spray guns, for 40-50$ while Home Depot sells an entire kit for 60-70$

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

Description : 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 ... (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades

Last Answer : (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades

Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the (A) Pipe length (B) Fluid velocity in the pipe (C) Time taken to close the valve (D) All (A), (B) and (C)

Description : Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the (A) Pipe length (B) Fluid velocity in the pipe (C) Time taken to close the valve (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the (A) Back flow of fluid in the event of stoppage of pump (B) Discharge pressure (C) Flow of liquid during operation of the pump (D) All (A), (B) and (C)

Description : Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the (A) Back flow of fluid in the event of stoppage of pump (B) Discharge pressure (C) Flow of liquid during operation of the pump (D) All (A), (B) and (C)

Last Answer : (A) Back flow of fluid in the event of stoppage of pump

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

Description : 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

Last Answer : (A) More

The hammer blow in pipes occurs when (A) There is excessive leakage in the pipe (B) The pipe bursts under high pressure of fluid(C) The flow of fluid through the pipe is suddenly brought to rest by closing of the valve (D) The flow of fluid through the pipe is gradually brought to rest by closing of the valve

Description : The hammer blow in pipes occurs when (A) There is excessive leakage in the pipe (B) The pipe bursts under high pressure of fluid (C) The flow of fluid through the pipe is suddenly brought to ... valve (D) The flow of fluid through the pipe is gradually brought to rest by closing of the valve

Last Answer : Answer: Option C

What is the advantage of Pressure relief device in TELK type GT over explosion vent of BHEL, even though in both cases oil will be expelled out during sudden pressure rise?

Description : What is the advantage of Pressure relief device in TELK type GT over explosion vent of BHEL, even though in both cases oil will be expelled out during sudden pressure rise?

Last Answer : During internal fault, the internal pressure rise is relieved by the expelling out of oil through Pressure relief device /explosion vent. However the Pressure relief device closes back when the pressure ... hazard due to transformer oil does not exist after the closure of Pressure relief device. 

A convection process in which an external device, such as a fan, is used to produce the fluid flow.  a. Forced Convection  b. External Convection  c. Placid Convection  d. Thermionic Convection

Description : A convection process in which an external device, such as a fan, is used to produce the fluid flow.  a. Forced Convection  b. External Convection  c. Placid Convection  d. Thermionic Convection

Last Answer : Forced Convection

Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature (C) Electrostatic precipitator is the most efficient dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Description : Pick out the wrong statement. (A) A slight haze at the top of chimney indicates good combustion in the furnace (B) A bag filter incurs very small pressure drop and is very efficient for ... dust collection equipment for removal of submicronic dust particles present in flue gas (D) None of these

Last Answer : (B) A bag filter incurs very small pressure drop and is very efficient for removal of submicronic dust particles from flue gases at very high temperature

Dry saturated steam can be converted into superheated steam by (A) Increasing its cross-sectional area of flow (B) Passing it through a pressure reducing valve (C) Forcing it downwards through a vertical tube (D) None of these

Description : Dry saturated steam can be converted into superheated steam by (A) Increasing its cross-sectional area of flow (B) Passing it through a pressure reducing valve (C) Forcing it downwards through a vertical tube (D) None of these

Last Answer : (B) Passing it through a pressure reducing valve

A hydraulic accumulator comprises of (A) A storage device and a control valve (B) A cylinder and a plunger (C) Two pistons and two cylinders (D) A storage tank and a ram pump

Description : A hydraulic accumulator comprises of (A) A storage device and a control valve (B) A cylinder and a plunger (C) Two pistons and two cylinders (D) A storage tank and a ram pump

Last Answer : (B) A cylinder and a plunger

What is the proper procedure for suppressing electrical noise in a mobile station? A. Apply shielding and filtering where necessary B. Insulate a all plain sheet metal surfaces from each other C. Apply anti-static spray liberally to all nonmetallic D. Install filter capacitors in series with all dc wiring

Description : What is the proper procedure for suppressing electrical noise in a mobile station? A. Apply shielding and filtering where necessary B. Insulate a all plain sheet metal surfaces from each other C. ... -static spray liberally to all nonmetallic D. Install filter capacitors in series with all dc wiring

Last Answer : A. Apply shielding and filtering where necessary

Pick up the correct statement from the following: (A) The internal pressure within a pipe, is caused due to water head and hammer pressure (B) In pressure pipes with water at rest, the pressure is equal to water head (C) Sudden closure of a valve, causes the water hammer pressure (D) All the above

Description : Pick up the correct statement from the following:  (A) The internal pressure within a pipe, is caused due to water head and hammer pressure  (B) In pressure pipes with water at rest, the pressure ... (C) Sudden closure of a valve, causes the water hammer pressure  (D) All the above 

Last Answer : (D) All the above 

The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

Description : The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is

Last Answer : The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is A. 10-25 mm ... Hg C. 80-100 mm Hg D. 30-50 mm Hg