Hygrometery deals with the_________________?

Related Mcqs:

1. Capillary action is due to the_________________?

   A. surface tension
   B. cohesion of the liquid
   C. adhesion of the liquid molecules and the molecules on the surface of a solid
   D. all of the above
   E. none of the above

2. Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the_________________?

   A. force of adhesion
   B. force of cohesion
   C. force of friction
   D. force of diffusion
   E. none of die above

3. Bernoulli equation deals with the law of conservation of__________________?

   A. mass
   B. momentum
   C. energy
   D. work
   E. force

4. The coal requirement per kW hour generation in the thermal power plant is of the order of__________________?

   A. 0.1 to 0.2 kg
   B. 0.2 to 0.4 kg
   C. 0.6 to 0.8 kg
   D. 1.0 to 1.5 kg
   E. 1.5 to 2 kg

5. At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporisation is______________?

   A. maximum
   B. minimum
   C. zero
   D. depends on temperature also
   E. none of the above

6. Hard coke is used in________________?

   A. cement industry
   B. thermal power plant
   C. blast furnace
   D. domestic use
   E. locomotives

7. The pressure at which latent heat of vaporisation of water is zero, is_________________?

   A. below atmospheric pressure
   B. 1 kg/cm2
   C. 100 kg/cm2
   D. 170 kg/cm2
   E. 225.6 kg/cm2

8. The pressure of reheat steam after passing through reheater compared to inlet condition is _________________?

   A. more
   B. less
   C. equal
   D. may be more or less depending on capacity of reheater
   E. none of the above

9. The feed check valve is used in order to ______________________?

   A. regulate flow of boiler water
   B. check level of water in boiler drum
   C. recirculate unwanted feed water
   D. allow high pressure feed water to flow to drum and not allow reverse flow to take place
   E. none of the above

10. Which device is used in thermal power plants to reduce level of pollution___________________?

    A. induced draft fan
    B. smoke meter
    C. chimney
    D. precipitator
    E. pulveriser