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61 Cards in this Set
- Front
- Back
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A metal plate with a circular hole is heated sufficiently to cause expansion, if the coefficient of surface expansion is linear? |
The area of the hole will increase at the same rate of the area of the metal |
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Ice is slippery when a man walks on it because? |
increase of pressure causes it to melt. |
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Which statements are true for fluids? |
It cannot sustain shear force at rest. |
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How are lines of constant pressure in a fluid related to the force field? |
They are perpendicular to the force field. |
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The continuity equation is applicable to? |
Conservation of mass |
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Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
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What are the units of Reynoldʼs number? |
None of the above |
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Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
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What are the units of Reynoldʼs number? |
None of the above |
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A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
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Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
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What are the units of Reynoldʼs number? |
None of the above |
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A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
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What is the absolute of a real fluid at a surface? |
The velocity of the surface |
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Two major types of chemical bonds are ionic and covalent, which of the following has a bond that is the least ionic? |
H2 |
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Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
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What are the units of Reynoldʼs number? |
None of the above |
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A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
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What is the absolute of a real fluid at a surface? |
The velocity of the surface |
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Two major types of chemical bonds are ionic and covalent, which of the following has a bond that is the least ionic? |
H2 |
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A substance is oxidized when which of the following occurs? |
It loses electrons |
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Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
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The thermodynamic cycle used in thermal power plant is? |
Rankine Cycle. |
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Isentropic flow is defined as? |
Reversible adiabatic flow |
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It is impossible to construct a heat engine that operates in cycle and receives a given quantity of heat from a high temperature of body and thus equal amount of work; this implies that it is impossible to construct a heat engine that has a 100% thermal efficiency? |
Kelvin- Plank Law |
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What are the units of Reynoldʼs number? |
None of the above |
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|
A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
|
|
What is the absolute of a real fluid at a surface? |
The velocity of the surface |
|
|
Two major types of chemical bonds are ionic and covalent, which of the following has a bond that is the least ionic? |
H2 |
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A substance is oxidized when which of the following occurs? |
It loses electrons |
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Which of the following is the reducing and oxidizing agent in the reaction? |
There is no oxidizing and reducing agent in the reaction |
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For stable equilibrium of floating body, its metacenter should lie? |
Above the center of gravity |
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The maximum continuous power available from a hydroelectric under the most adverse hydraulic conditions? |
Firm Power |
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Reactions can proceed faster at higher temperatures because of the following? |
Activation energy is less & the molecules collide more frequently. |
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|
Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
|
|
The thermodynamic cycle used in thermal power plant is? |
Rankine Cycle. |
|
|
Isentropic flow is defined as? |
Reversible adiabatic flow |
|
|
It is impossible to construct a heat engine that operates in cycle and receives a given quantity of heat from a high temperature of body and thus equal amount of work; this implies that it is impossible to construct a heat engine that has a 100% thermal efficiency? |
Kelvin- Plank Law |
|
|
What are the units of Reynoldʼs number? |
None of the above |
|
|
A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
|
|
What is the absolute of a real fluid at a surface? |
The velocity of the surface |
|
|
Two major types of chemical bonds are ionic and covalent, which of the following has a bond that is the least ionic? |
H2 |
|
|
A substance is oxidized when which of the following occurs? |
It loses electrons |
|
|
Which of the following is the reducing and oxidizing agent in the reaction? |
There is no oxidizing and reducing agent in the reaction |
|
|
For stable equilibrium of floating body, its metacenter should lie? |
Above the center of gravity |
|
|
The maximum continuous power available from a hydroelectric under the most adverse hydraulic conditions? |
Firm Power |
|
|
Reactions can proceed faster at higher temperatures because of the following? |
Activation energy is less & the molecules collide more frequently. |
|
|
Which of the following describes shear stress in a moving liquid? |
? It is proportional to the velocity gradient at the point of interest |
|
|
The thermodynamic cycle used in thermal power plant is? |
Rankine Cycle. |
|
|
Isentropic flow is defined as? |
Reversible adiabatic flow |
|
|
It is impossible to construct a heat engine that operates in cycle and receives a given quantity of heat from a high temperature of body and thus equal amount of work; this implies that it is impossible to construct a heat engine that has a 100% thermal efficiency? |
Kelvin- Plank Law |
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Which of the following thermodynamic relations are incorrect? |
H = U–PV |
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What are the units of Reynoldʼs number? |
None of the above |
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|
A Kaplanʼs turbine is? |
Low Head, axial flow turbine |
|
|
What is the absolute of a real fluid at a surface? |
The velocity of the surface |
|
|
Two major types of chemical bonds are ionic and covalent, which of the following has a bond that is the least ionic? |
H2 |
|
|
A substance is oxidized when which of the following occurs? |
It loses electrons |
|
|
Which of the following is the reducing and oxidizing agent in the reaction? |
There is no oxidizing and reducing agent in the reaction |
|
|
For stable equilibrium of floating body, its metacenter should lie? |
Above the center of gravity |
|
|
The maximum continuous power available from a hydroelectric under the most adverse hydraulic conditions? |
Firm Power |
|
|
Reactions can proceed faster at higher temperatures because of the following? |
Activation energy is less & the molecules collide more frequently. |
