The value of reheat factor normally varies from___________?

Related Mcqs:

1. The value of the reheat factor is of the order of_____________?

   A. 0.8 to 1.0 B. 1.0 to 1.05 C. 1.1 to 1.5 D. above 1.5...

2. Reheat factor in steam turbines depends on______________?

   A. exit pressure only B. stage efficiency only C. initial pressures and temperature only D. all of the above...

3. Reheat factor is the ratio of_____________?

   A. isentropic heat drop to useful heat drop B. adiabatic heat drop to isentropic heat drop C. cumulative actual enthalpy drop for the stages to total is isentropic enthalpy heat drop...

4. The capacity of large turbo-generators varies from___________?

   A. 20 to 100 MW B. 50 to 300 MW C. 70 to 400 MW D. 100 to 650 MW...

5. Reheat cycle in steam power plant is used to________________?

   A. utilise heat of flue gases B. increase thermal efficiency C. improve condenser performance D. reduce loss of heat...

6. In steam turbines the reheat factor_____________?

   A. increases with the increase in number of stages B. decreases with the increase in number of stages C. remains same irrespective of number of stages D. none of the above...

7. At low value of power factor, the cost of generation of a power station will be____________?

   A. high B. low C. remain same D. none of the above...

8. The artificial draught normally is designed to produce____________?

   A. less smoke B. more draught C. less chimney gas temperature D. all of the above...

9. Which of the following load is responsible for lower power factor of supply system__________?

   A. induction motors B. resistive loads C. synchronous Motors D. all of the above...

10. If the load factor of a power station is high then its cost of generation will be_______?

    A. High. B. Low. C. Remain same. D. Depend upon plant type....