List of top Soil Science Questions on Hydraulic machine

Match List-I with List-II. List-I Type of Pump: A. Mixed flow pump, B. Axial flow pump, C. Centrifugal pump, D. Hydraulic Ram. List-II Detail: I. The wheel generally resembles the blade element that generates forced vortex flow, II. Pump has high discharge capacity but has low head and limited suction capacity, III. Pump which does not require any external power for its operation to raise water, IV. The inlet and outlet edge of the blades are inclined to the axis of rotation.

Centrifugal pumps are classified according to: A. Type of energy conversion, B. Number of stages, C. Impeller types, D. Axis of rotation, E. Method of drive.

Following points should be considered in locating the centrifugal pump. A. Foundation should be sufficiently strong, B. Easily accessible for inspection and maintenance, C. Covered to protect it, D. Safeguard against submergence, E. Placed as close as possible to the water source.

Choose the correct formula/s: \[ \text{A. } Work = Force \times distance \] \[ \text{B. } Power\ received\ at\ the\ pump\ shaft\ is\ given\ by\ P=\rho gQH \] \[ \text{C. } Water\ Horsepower\ (WHP)=\frac{Q(lit/s)\times H(m)}{75} \] \[ \text{D. } Shaft\ Horsepower\ (SHP)=\frac{Water\ Horsepower}{Pump\ efficiency} \] \[ \text{E. } Brake\ Horsepower\ (BHP)=\frac{WHP}{Pump\ efficiency \times Drive\ efficiency} \] Choose the correct answer from the options given below:

Match List-I with List-II. List-I Terminology: A. Capacity of pump, B. Suction lift, C. Static suction lift, D. Suction head. List-II Detail: I. When the source of water supply is above the centre line of the pump, II. The volume of water pumped per unit time, III. When the source of water supply is below the centre line pump, IV. The vertical distance from the free suction water level to the centre line of the pump.

In which pump the inlet and outlet edge of the blades are inclined to the axis of rotation?

Which of the following is not correct in case of centrifugal pump?

Which of the followings are true for spillways?
A. The capacity of a chute is decreased by sedimentation at the outlet.
B. The hydraulic capacity of the pipe spillway is related to the cube root of the head.
C. The longitudinal spills serve to straighten the flow.
D. Drop spillways are usually limited to drops of 3 m.
Choose the correct answer from the options given below:

Write the sequence of flow of water through the Water turbine pump.
A. Turbine intake
B. Turbine runner
C. Pump intake
D. Draft tube
Choose the correct answer from the options given below:

The characteristic curves of a centrifugal pump has the following relationship:
A. Discharge versus Efficiency
B. Head versus BHP
C. BHP versus Discharge
D. Discharge versus Head
E. Efficiency versus Head
Choose the correct answer from the options given below:

If a centrifugal pump does not deliver the water, the possible causes are:
A. Priming is not done.
B. Lubrication is incorrect.
C. Pumping head is too high.
D. Suction pipe is clogged.
Choose the correct answer from the options given below:

Match LIST I with LIST II
\[ \begin{array}{|l|l|} \hline \textbf{LIST I} & \textbf{LIST II} \\ \hline A. \ \text{Hydrologic design} & I. \ \text{Stability of structure} \\ B. \ \text{Hydraulic design} & II. \ \text{Continuity equation} \\ C. \ \text{Structural design} & III. \ \text{Design runoff rate} \\ D. \ \text{Flood routing} & IV. \ \text{Dimensions of structure} \\ \hline \end{array} \]
Choose the correct answer from the options given below:

Match LIST I with LIST II
\[ \begin{array}{|l|l|} \hline \textbf{LIST I} & \textbf{LIST II} \\ \hline A. \ \text{Cutoff wall} & I. \ \text{Energy dissipation} \\ B. \ \text{Hydraulic jump} & II. \ \text{Critical flow condition} \\ C. \ \text{Froude number is one} & III. \ \text{Preventing piping below the structure} \\ D. \ \text{Flood routing} & IV. \ \text{Storage discharge relationship} \\ \hline \end{array} \]
Choose the correct answer from the options given below: