For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

Related Mcqs:

1. When an isolated thermodynamic system executes a process ___________________?

   A. Work is done
   B. Heat transfer takes place
   C. Mass flow occurs across the boundary of the system
   D. No chemical reaction takes place within the system

2. The thermodynamic law, PVy = constant, is not followed by the __________________?

   A. Free expansion of an ideal gas
   B. Adiabatic expansion of steam in turbine
   C. Adiabatic compression of air
   D. Ideal compression of air

3. According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is__________________?

   A. 180°
   B. 212°
   C. 32°
   D. 273°

4. Thermodynamic cycle involved in the working of a thermal power plant is the ______________ cycle ?

   A. Joule
   B. Carnot
   C. Rankine
   D. Brayton

5. Which of the following pairs is not correctly matched ?

   A. Uranium – 233 : Fertile material
   B. Binding energy : Mass defect
   C. Scattering: Absorption cross-section
   D. Number of nucleons : Mass number

6. Volume of blast furnace slag is about _______________ times the volume of hot metal (pig iron) of the same weight ?

   A. 1.5
   B. 3
   C. 5
   D. 7

7. A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is___________________?

   A. 0
   B. 0.33
   C. 0.44
   D. 0.25

8. ‘Dikes’ are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel) ?

   A. V
   B. V/2
   C. 2V
   D. 3V

9. With increase in steam pressure, its specific volume decreases ____________________?

   A. Rapidly first and then slowly
   B. Linearly
   C. Slowly first and then rapidly
   D. Exponentially

10. Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?

    A. Output & fineness
    B. Velocity
    C. Both A. & B.
    D. None of these