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The valve used for very remote and accurate control of fluid is a __________ valve.
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
In pneumatic control systems the control valve used as final control element converts
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.
I use my TV remote control to change channels, ....
Which one of the following does a TV remote control unit use to operate a TV set?
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 ?
In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from