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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
The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation
The valve used for very remote and accurate control of fluid is a __________ valve.
Main gas valve in a gaseous fuel burner is a __________ valve.
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.
Foot valve provided in the pump is a __________ valve.
Remote control valve is a __________ valve.
The feed check valve is used in order to
Feed check valve is used in steam boilers to
The mixing vat in a factory receives liquid ingredients through six separate value--- labeled R.S.T.U,Y and Z -- each of which has exactly two settings: open and closed.The mixing vat operator must ensure that each valve is set open or closed according to the following conditions: If T is open, both S and Z must be closed, R and Z cannot both be closed at the same time; If Y is closed, Z must also be closed;S and U cannot both be open at the same time. Which of the following, if given to the mixing vat operator as an instruction, would not determine the setting of any other valve ?