# Civil Engineering/Hydraulic Machines MCQ Sample Test,Sample questions

1.axial

2.inward

3.outward

4.tangential

## Question: ```A Pelton wheel is a _____ impulse turbine ```

1.Axial flow

2.Inward flow

3.Outward flow

4.Tangential flow

## Question: ```A pump is a device which converts ```

1.mechanical energy into electrical energy

2.mechanical energy into hydraulic energy

3.hydraulic energy into mechanical energy

4.none of the above

## Question: ```Air vessel is provided to reciprocating pump near its ```

1.Suction pipe

2.Delivery pipe

3.Neither at suction nor at delivery pipes

4.Both at suction and delivery pipes

2. friction loss

3.leaking loss

## Question: ```Cavitation ```

1. causes vibration of various parts of turbine and creates noise

2.reduces discharge

3.causes vibration of various parts of turbine and creates noise

4. All of the above

## Question: ```Centrifugal pump is a _____ type of pump. ```

1.Axial flow

3.Mixed flow

4.None of the above

1.50%

2.70%

3.100%

4.120%

1. 2%

2.5%

3.10%

4.18%

## Question: ```Hydraulic press is a device used to ```

1.lift larger loads by applying smaller force

2. increase the pressure of a liquid

3.lift small quantity of water to greater height

4.All of the above

## Question: ```Hydraulic ram is a device used to ```

1. Increase the pressure of a liquid

2.Lift small quantity of water to greater heights

3.Lift larger loads by applying smaller force

4.none of the above

## Question: ```In a centrifugal pump casing, the flow of water leaving the impeller, is ```

1.forced vertex

2.free vortex motion

3. rectilinear flow

## Question: ```In flow, the liquid particles may possess ```

1.pressure energy

2.potential energy

3.kinetic energy

4.all the above

## Question: ```In impulsive turbine, the total energy at inlet is ```

1. pressure energy

2.kinetic energy

3.both kinetic and potential energy

4. none of the above

## Question: ```In Pelton wheel ```

1.both velocity and pressure do not change

2.both velocity and pressure change

3. the velocity of jet remains same, the pressure changes

4.the velocity of jet changes, the pressure throughout remain at atmospheric

## Question: ```In reaction turbines, total inlet energy is ```

1. Pressure energy only

2.Kinetic energy

3.Both a and b

4.None of these

## Question: ```Involute type centrifugal pump, the passage of fluid ```

1. remains same throughout

4.both a and b

## Question: `Reciprocating pump is suited for`

1. Low discharge and high head

4. High discharge and high head

## Question: ```Specific speed of a centrifugal pump is the speed at which a pump runs when ```

1. discharge and shaft power are unity

3.head and shaft power are unity

4.none of the above

1.Low velocity

2.High velocity

3.High pressure

4. Low pressure

1.Low velocity

2.High velocity

3.High pressure

4. Low pressure

## Question: ```The flow is called rotational if its velocity normal to the plane of area is equal to ```

1.angular velocity vector

2.thrice the angular velocity vector

3. twice the angular velocity vector

4.None of these

1.streak line

2.potential line

3.stream line

4.path line

1.pitot tube

2.Venturimeter

3.Orifice meter

4.none of these

## Question: ```Unit discharge is a discharge through a turbine when it is working under ```

2.Unit head and discharging one cubic metre of water

3.Unit head and developing unit power

4.None of the above

## Question: ```Which one of the following is a impulsive turbine ```

1. Pelton wheel

2.Kaplan turbine

3.Francis turbine

4.None of the above

## More MCQS

##### Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!