Impulse turbine and reaction turbine are classified based on?
1.Type of energy at inlet
2.Direction of flow through runner
3.Head at inlet of turbine
4.Specific speed of turbine
Posted Date:-2022-07-25 10:06:59
In reaction turbine hydraulic efficiency is______________
1.Ratio of actual work at the turbine to the energy imparted to the wheel
2.Ratio of work done on the wheel to energy that is supplied to the turbine
3.Ratio of power produced by the turbine to the energy actually supplied by the turbine
4.Ratio of Work done on the wheel to the energy (or head of water) actually supplied to the turbine
Posted Date:-2022-07-25 09:37:09
A hydraulic coupling belongs to the category of________
1.Energy absorbing machines
2.Energy generating machines
3.Power absorbing machines
4. Energy transfer machines
Posted Date:-2022-07-25 10:12:38
Among the following which turbine has highest efficiency?
1.Kaplan turbine
2.Francis turbine
3.Pelton turbine
4.Propeller turbine
Posted Date:-2022-07-25 10:43:21
At present which is cheapest means of generating power_____________
1.Thermal power
2.Nuclear power
3.Hydroelectric power
4.Electric Power
Posted Date:-2022-07-25 10:29:26
Buckets and blades used in a turbine are used to:
1.Alter the direction of water
2.Switch off the turbine
3.To regulate the wind speed
4.To regenerate the power
Posted Date:-2022-07-25 06:29:36
Consider an inward flow reaction turbine, here, water _______
1.Flows parallel to the axis of the wheel
2.Enters the wheel at the outer periphery and then flows towards the centre of the wheel
3.Flow is partly radial and partly axial
4.Enters at the centre of the wheel and then flows towards the outer periphery of the wheel
Posted Date:-2022-07-25 09:37:56
Francis and Kaplan turbines are known as _______
1.Impulse turbine
2.Reaction turbine
3. Axial flow turbine
4.Mixed flow turbine
Posted Date:-2022-07-25 10:36:03
High head, low head and medium head turbines are classified based on ____________
1.Type of energy at inlet
2.Direction of flow through runner
3.Head at inlet of turbine
4.Specific speed of turbine
Posted Date:-2022-07-25 10:08:14
High specific speed of turbine implies that it is ___________
1.Francis turbine
2.Propeller turbine
3.Pelton turbine
4.Kaplan turbine
Posted Date:-2022-07-25 10:11:59
How many types of Reaction turbines are there?
1.5
2.4
3.3
4.9
Posted Date:-2022-07-25 06:34:06
How many types of turbines can you classify on the basis of direction of flow through runner?
1.6
2.3
3. 4
4.7
Posted Date:-2022-07-25 09:53:57
Hydraulic energy is converted into another form of energy by hydraulic machines. What form of energy is that?
1.Mechanical Energy
2.Electrical Energy
3.Nuclear Energy
4.Elastic Energy
Posted Date:-2022-07-25 06:25:31
Hydraulic Machines fall under the category :
1.Pulverizers
2. Kinetic machinery
3.Condensers
4. Roto-dynamic machinery
Posted Date:-2022-07-25 06:32:03
Hydraulic turbines are classified based on ____________
1.Energy available at inlet of turbine
2.Direction of flow through vanes
3.Head at inlet of turbine
4.Energy available, Direction of flow, Head at inlet.
Posted Date:-2022-07-25 09:58:51
If energy available at inlet of turbine is only kinetic energy then it is classified based on ____________
1.Type of energy at inlet
2.Direction of flow through runner
3.Head at inlet of turbine
4.Specific speed of turbine
Posted Date:-2022-07-25 10:09:27
If water flows in radial direction at inlet of runner and leaves axially at outlet then turbine is named as ____________
1.Tangential flow turbine
2.Axial flow turbine
3.Radial flow turbine
4.Mixed flow turbine
Posted Date:-2022-07-25 10:10:00
Impulse turbine is generally fitted at ______________
1.At the level of tail race
2.Above the tail race
3.Below the tail race
4.About 2.5mts above tail race to avoid cavitations.
Posted Date:-2022-07-25 10:37:47
In a reaction turbine, the draft tube is used to _________
1.To increase the head of water by an amount that is equal to the height of the runner outlet above the tail race
2.To prevent air to enter the turbine
3.To increase pressure energy of water
4.To transport water to downstream
Posted Date:-2022-07-25 09:36:16
IN what type of turbine water enters in radial direction and leaves axial direction?
1.Tangential flow turbine
2.Axial flow turbine
3.Outward flow turbine
4.Mixed flow turbine
Posted Date:-2022-07-25 09:56:07
Into how many types can you classify radial flow turbines?
1. 4
2.3
3. 6
4.2
Posted Date:-2022-07-25 09:55:06
Into how many types can you classify turbines on basis of head at inlet?
1.3
2.4
3.6
4.5
Posted Date:-2022-07-25 09:54:32
Kaplan turbine is operated under __________
1.Low head and high discharge
2.High head and low discharge
3.Medium head and high discharge
4.Medium head and medium discharge
Posted Date:-2022-07-25 10:11:03
Low specific speed, high specific speed and medium specific speed are classified based on ____________
1.Type of energy at inlet
2.Direction of flow through runner
3.Head at inlet of turbine
4.Specific speed of turbine
Posted Date:-2022-07-25 10:08:56
Maximum Number of jets, generally, employed in an impulse turbine without jet interference can be?
1.2
2.3
3.4
4.6
Posted Date:-2022-07-25 06:37:30
Medium specific speed of turbine implies _____________
1.Pelton turbine
2.Kaplan turbine
3.Francis turbine
4.Propeller turbine
Posted Date:-2022-07-25 10:11:30
Pelton turbine is operated under_________
1.Low head and high discharge
2.High head and low discharge
3.Medium head and high discharge
4.Medium head and medium discharge
Posted Date:-2022-07-25 10:10:33
Pen stocks are made up of _____________
1.Steel
2.Cast iron
3.Mild steel
4.Wrought iron
Posted Date:-2022-07-25 10:30:37
Pipes of largest diameter which carry water from reservoir to the turbines is known as_____________
1.Head stock
2.Tail race
3.Tail stock
4.Pen stock
Posted Date:-2022-07-25 10:30:11
Specific speed of reaction turbine is between?
1.5 and 50
2.10 and 100
3.100 and 150
4. 150 and 300
Posted Date:-2022-07-25 10:36:29
Tangential flow, axial flow, radial flow turbines are classified based on?
1.Type of energy at inlet
2.Direction of flow through runner
3.Head at inlet of turbine
4.Specific speed of turbine
Posted Date:-2022-07-25 10:07:31
The electric power which is obtained from hydraulic energy____________
1.Thermal power
2.Mechanical power
3.Solar power
4.Hydroelectric power
Posted Date:-2022-07-25 10:27:36
The important type of axial flow reaction turbines are ______________
1.Propeller and Pelton turbines
2.Kaplan and Francis turbines
3.Propeller and Francis turbines
4.Propeller and Kaplan turbines
Posted Date:-2022-07-25 10:34:44
The overall efficiency of a reaction turbine is the ratio of
1.Actual work available at the turbine to the energy imparted to the wheel
2.Work done on the wheel to the energy (or head of water) actually supplied to the turbine
3.Power produced by the turbine to the energy actually supplied by the turbine
4.Actual work available at the turbine to energy imparted to the wheel
Posted Date:-2022-07-25 09:35:31
The product of mechanical efficiency and hydraulic efficiency is known as?
1.Mechanical efficiency
2.Volumetric efficiency
3.Hydraulic efficiency
4.Overall efficiency
Posted Date:-2022-07-25 10:40:55
The ratio of power at the shaft of turbine and power delivered by water to runner is known as?
1.Mechanical efficiency
2.Volumetric efficiency
3.Hydraulic efficiency
4.Overall efficiency
Posted Date:-2022-07-25 10:40:05
The working of which of the following hydraulic units is based on Pascal’s law?
1.Air lift pump
2.Hydraulic coupling
3.Hydraulic press
4. Jet pump
Posted Date:-2022-07-25 09:56:40
Which among the following which is not an efficiency of turbine?
1.Mechanical efficiency
2.Volumetric efficiency
3.Hydraulic efficiency
4.Electrical efficiency
Posted Date:-2022-07-25 10:39:30
Which energy generated in a turbine is used to run electric power generator linked to the turbine shaft?
1.Mechanical Energy
2.Potential Energy
3.Elastic Energy
4.Kinetic Energy
Posted Date:-2022-07-25 06:31:21
Which kind of turbine is a Fourneyron Turbine?
1.Inward flow turbine
2.Outward flow turbine
3.Mixed flow turbine
4.Radial flow turbine
Posted Date:-2022-07-25 06:36:52
Which kind of turbine is a Pelton Wheel turbine?
1.Tangential flow turbine
2.Radial flow turbine
3.Outward flow turbine
4.Inward flow turbine
Posted Date:-2022-07-25 09:57:17
Which kind of turbines changes the pressure of the water entered through it?
1.Reaction turbines
2.Impulse turbines
3.Reactive turbines
4. Kinetic turbines
Posted Date:-2022-07-25 06:32:35
Which principle is used in Hydraulic Turbines?
1.Faraday law
2.Newton’s second law
3.Charles law
4.Braggs law
Posted Date:-2022-07-25 06:27:56
Which type of turbine is a Francis Turbine?
1.Impulse Turbine
2.Screw Turbine
3.Reaction turbine
4. Turgo turbine
Posted Date:-2022-07-25 06:33:39
Which type of turbine is used to change the velocity of the water through its flow?
1.Kinetic turbines
2.Axial flow turbines
3.Impulse turbines
4.Reaction turbines
Posted Date:-2022-07-25 06:33:10
____________ is an inward radial flow reaction turbine.
1.Pelton turbine
2. Kaplan turbine
3.Francis turbine
4.Propeller turbine
Posted Date:-2022-07-25 10:31:12
_____________ is defined as ratio between power delivered to runner and power supplied at inlet of turbine.
1.Mechanical efficiency
2.Volumetric efficiency
3.Hydraulic efficiency
4.Overall efficiency
Posted Date:-2022-07-25 10:38:42
_____________ is ratio of volume of water actually striking the runner and volume of water supplied to turbine.
1.Mechanical efficiency
2.Volumetric efficiency
3.Hydraulic efficiency
4.Overall efficiency
Posted Date:-2022-07-25 10:46:22
______________ is a axial flow reaction turbines, if vanes are fixed to hub of turbine.
1.Propeller turbine
2.Francis turbine
3.Kaplan turbine
4.Pelton turbine
Posted Date:-2022-07-25 10:35:24
_______________is the electric power obtained from the energy of the water.
1.Roto dynamic power
2. Thermal power
3.Nuclear power
4.Hydroelectric power
Posted Date:-2022-07-25 06:30:41