List the merits and demerits of using a positioner in a control valve.

Q: Which of the following is a symbol of the valve which continuously, resisting its flow even after…

A: Solution:

Q: name and explain the different control valve in steam generation

A:

Q: What are the functions/operations of a combination valve?

A: A combination valve is a mechanical component that serves multiple purposes when installed on the…

Q: Example of how to size a globe valv

A: A globe valve is a type of valve that has a moveable plug or disc element and a stationary ring…

Q: Which of the following is NOT a flow control valve? O Servo valve O Needle valve O All of these are…

A: given = multiple choice question

Q: out any four non return valves

A:

Q: Identify the D.C. valve employed to reverse the direction of flow and explain its working with neat…

A: D.C. Valve: These vales perform three below-mentioned functions. Allow fluid flow Stop fluid flow…

Q: Enumerate valves used in pump station piping system and cite their applications

A: To find:- Valve used in pumps and their applications

Q: The primary function of a way valve is to pressurize and exhaust two working ports A and B…

A:

Q: For what application are the pressure control valves seen in Figure 2 being used?

A: Introduction The valves enable the regulation of system pressure to adjust the force on a hydraulic…

Q: What do the letters: A, B, P, T, E stand for in relation to a four-way valve?

A: The 4-Way Directional Valve block represents a directional control valve with four ports and three…

Q: Explain with the aid of schematic diagram the working operation of two pressure valve and shuttle…

A: Twin pressure valve: Draw the schematic diagram of the twin pressure valve.

Q: What are the results and discussions in identifying the different components of the ICEs valve…

A: Engine valves are a primary component of the internal combustion engine and are used to allow the…

Q: how does a pilot check valve differ from a simple check valve

A: The check valves are used for the seal age purpose in the closed position. The valves are used for…

Q: What is the use of three position of 4/3 way valve?

A: A 4/3 way valve has four-valve and three positions. As shown above, these are three positions P1,…

Q: identify the different components of the ICEs valve system.

A: The components of IC engine valve system are - Valve guide Valve stem Valve spring Cam and follower

Q: Drag text boxes to label diagram of a typical valve spring retaining mechanism

A: Valve is a mechanical device that is used to to provide the passage to the inlet or exhaust of a…

Q: In this diagram, which pressure differential valve has pressure loss? Which part of the system has…

A: Differential valves are used for detecting differential pressure. detection of the valve failure of…

Q: What are the funtions of an isolation/dump valve?

A:

Q: Define valve margin

A:

Q: Explain the difference between pressure limiting valves and sequence valves

A:

Q: Cavitation and flashing are two different phenomena that should be avoided in the valve operation.…

A: To define: The cavitation and flashing. Explanation: Cavitation: When the vapor bubbles or cavities…

Q: Explain the difference between the inherent and installed valve characteristics.

A:

Q: 4. What is the purpose of a sequence valve and how is this typically accomplished?

A: To find:-    Purpose of sequence wall and how is this accomplished

Q: What is the function of safety valve?

A:

Q: What is the purpose of a directional control valve?

A:

Q: Select the correct option Formerly it was very common to determine the capacity of a valve; however,…

A: Given:

Q: Describe this control valve, select specific answers Sol A

A: From Above Diagram it consists of Hydraulic Control Valve 2 - Positions 4 - Port Spring Return…

Q: A- Briefly compare between actual and theoretical valves timing with drawing.

A: Theoretical valve timing diagram:  In theoretical valve timing diagram suction and exhaust valve…

Q: Describe the functions of the hydraulic systemcombination valve.

A: Hydraulic fluids today are used for a variety of things. A hydraulic fluid's primary role is to…

Q: Name possible applications for 4/2-way hand lever valves.

A: Spool valve: Spool valve are the usual choice for directional control, because they can be…

Q: Which of the following prevents rapid switching on and off control valves in pressure control…

A: Pressure control systems are designed to control the value of force produced by a fluid flow.…

Q: describe the operatoin of a digital   EGR valve

A: Digital Exhaust Gas Recirculation (EGR)valve :-The EGR system works by returning a small portion of…

Q: What are the results and discussions in discussing the function of each component of the valve…

A: A valve is a mechanism or natural item that opens, closes, or partially obstructs numerous passages…

Q: When using a flow control valve (needle valve) to control the speed of actuation of a cylinder, what…

A: Needle valve is used to control the speed of actuator of a cycinder .It is a fixed  orifice of low…

Q: Compare rotameter and valve tray - where is their similarity? Use sketches it required.

A: Rotameter:  Rotameter is used for the measurement of the volume flow rate by the use of floating…

Q: Describe the process of testing the operation of a load sensing proportioning valve (LSPV)

A: Solution: Testing procedure of a Load sensing proportioning valve:

Q: For this valve schematic, what is the center position type O 1. No center O 2. Floated O 3. Locked O…

A:

Q: The minimum pressure at which the valve starts opening is called O a. breaking pressure O b.…

A:

Q: Discuss .maintenance aspects of a typical industrial control valve.

A: Given question: Discuss maintenance aspects of a typical industrial control valve.

Q: Illustrate and discuss the two ways of throttling using one-way flow control valves

A:

Q: The following are main part of Globe type control valve EXCEPT A. Stem В. Connector C. Seat D. O…

A: Globe valve: A globe valve is a control valve used to stop, start or regulate the fluid flow.

Q: What is the purpose of a check Valve?

A: The purpose of a check valve is to prevent back flow in piping system. It allows fluid to flow only…

Q: Explain why a small PCV valve opening is adequate atidle speed?

A: Given PCV To find Small PCV for idle speed

Q: Sketch and explain the valve and port timing diagrams

A: valve and port timing diagrams

Q: What is the function of one way flow control valve

A: A control valve is a valve that regulates fluid flow by changing the size of the flow passage in…

Q: What is the function of On/Off valve?

A: What is the function of On/Off valve?

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.