**1. Which one of the following engine has the maximum Carnot cycle**

- well lubricated engine
- reversible engine
- irreversible engine

**2. The type of polarization where the displacement of cations and axions in opposite direction by the influence of external electric field occurs is**- electronic polarization
- ionic polarization
- space charge polarization
- none of the above

**3. what should be the coefficient of discharge of an orifice-meter than that of a venturimeter**

- much small than
- extremely higher than
- equal to
- both (2) & (3)

**4. The second law of thermodynamics supports**

- heat can not be transferred from low temperature to high temperature source without the help of external energy
- heat can not be transferred from low temperature to high temperature source if COP of process is more than unity
- heat can not be transferred from low temperature to high temperature source by using refrigeration cycle
- heat can not be transferred from low temperature to high temperature source by constant temperature cycle

**5. Select the best suited definition of transfer function from the given below options**

- its a ratio of the laplace transform of the system response to the laplace transform of the system input function
- its a ratio of the laplace transform of the system response to the laplace transform of the system output function
- its laplace transform of the system response plus laplace transform of the system input function
- its laplace transform of the system response minus laplace transform of the system input function

**6.**

**Which one of the following property is possessed by a real practical fluid**

- viscosity
- compressibility
- weight density
- specific volume

**7. Among which of the following the correct definition of displacement thickness stands**

- the layer which represent the entropy
- the layer which represent reduction in momentum
- the distance measured perpendicular to the boundary by which the free stream is displaced in order to have a formation of boundary layer
- the distance measured perpendicular to the boundary by which the free stream is displaced in order to prevent the formation of boundary layer

**8. V**

**enturimeter is used to measure**

- flow rate
- pressure
- viscosity
- none of the above

**9.Let us consider that the radius of the earth were to shrink by 1%. But the mass remaining will remain same and the acceleration due to gravity on the earth’s surface would**

- decrease by 11.65%
- remain unchanged
- increase by 2%
- will increase by 12.8%

**10.The first observer on super conductivity was**

- H S Onnnes
- H K Onnes
- Kirchoff
- Tolman

**Answer (1) : 3**

**Answer (2) : 2**

**Answer (3) : 1**

**Answer (4) : 3**

**Answer (5) : 1**

**Answer (6) : 2**

**Answer (7) : 3**

**Answer (8) : 1**

**Answer (9) : 3**

**Answer (10) : 2**

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