Triple point of water is__________________?

Related Mcqs:

1. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

   A. Aqueous tension
   B. Saturated humidity
   C. Vapor pressure
   D. Absolute humidity

2. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?

   A. Conduction
   B. Convection
   C. Radiation
   D. Both A. & B.

3. Potable water means the water used for____________________?

   A. Fire-fighting
   B. Cooling
   C. Drinking
   D. Evaporation to produce steam

4. Natural water contains approximately ______________ percent of heavy water?

   A. 0.015
   B. 0.71
   C. 1.2
   D. 3.5

5. An alloy of Fe – 0.4 % C is__________________?

   A. Cast iron
   B. Hypo-eutectoid steel
   C. Hyper-eutectoid steel
   D. Eutectoid steel

6. Case hardening of a material is__________________?

   A. Followed by tempering or carburising
   B. Preceded by its tempering
   C. Done to get a soft ductile interior with a very hard surface
   D. Carried out to get extreme hardness in its core

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

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

8. The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is__________________?

   A. More
   B. Less
   C. Same
   D. More but less than the diameter of bolt

9. The ‘laughing gas’ is__________________?

   A. Nitrous oxide
   B. Nitric oxide
   C. Nitrogen trioxide
   D. Nitrogen pentoxide

10. On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is__________________?

    A. Creep
    B. Toughness
    C. Tensile strength
    D. Fatigue