A. Butterfly valve
B. Globe valve
C. Needle valve
D. None of these
Related Mcqs:
- A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________________?
A. Δp
B. < Δp
C. > Δp
D. Δp2 - 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 - The inherent characteristic of an equal percentage valve relating flow rate ‘q’ with valve stem movement ‘x’ are described by the equation_________________?
A. dq/dx = K
B. dq/dx = K.q
C. dq/dx = K/q
D. dq/dx = Kq2 - The ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is_____________________?
A. 0.5
B. 1
C. 1.5
D. 2 - The valve used for very remote and accurate control of fluid is a _____________ valve?
A. Needle
B. Globe
C. Gate
D. Butterfly - Remote control valve is a _______________ valve?
A. Gate
B. Butterfly
C. Needle
D. Globe - Foot valve provided in the pump is a ______________ valve?
A. Direction control
B. Back pressure
C. Relief
D. Pressure reduction - The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a____________________?
A. Weir
B. Pitot tube
C. Kennison nozzle
D. V-notch - The valve commonly used in pipes larger than 2″ dia is a______________?
A. Globe valve
B. Plug-cock
C. Gate valve
D. Check valve - In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?
A. Discharge of water by a centrifugal pump being run at a constant rpm
B. Water flow in the suction and discharge pipe of a reciprocating pump
C. Water discharge from a vertical vessel in which constant level is maintained
D. Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe
