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

Related Mcqs:

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

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

2. 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 ?

   A. Temperature – entropy
   B. Temperature – pressure
   C. Enthalpy – entropy
   D. Enthalpy-pressure

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

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

4. 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

5. Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250- 525°C, thereby changing austenite to___________________?

   A. Sorbite
   B. Bainite
   C. Martensite
   D. Troostite

6. The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by __________________?

   A. y2 = 2k1t + k2
   B. y = k1 ln (k2t + k3)
   C. y = k1 t + k2
   D. y = k1t3 + k2

7. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong _____________________?

   A. Base and strong acid
   B. Base and weak acid
   C. Acid and weak base
   D. None of these

8. Moist air is cooled along the line of constant ________________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?

   A. Enthalpy
   B. Relative humidity
   C. Wet bulb temperature
   D. Dew point temperature

9. Otto cycle used in spark ignition petrol engines is also known as the constant ________________ cycle?

   A. Volume
   B. Pressure
   C. Heat
   D. None of these

10. Gas turbine normally employs a constant _______________ cycle?

    A. Pressure
    B. Temperature
    C. Volume
    D. None of these