Economics of power generation Archives - Page 3 of 10 - MCQ and Quiz for Exams

21. Submarines for under water movement, are powered by which of the following ?

Steam accumulators

Air motors

Diesel engines

Batteries

Detailed SolutionSubmarines for under water movement, are powered by which of the following ?

22. For a power plant which of the following constitutes running cost?

Cost of wages

Cost of fuel

Cost of lubricants

All of the above

Detailed SolutionFor a power plant which of the following constitutes running cost?

23. Load curve of a power plant has always

zero slope

positive slope

negative slope

any combination of (A), (B) and (C)

Detailed SolutionLoad curve of a power plant has always

24. public sector undertaking is associated with erection and sometimes running of thermal power plants

NTPC

SAIL

BEL

BHEL

Detailed Solutionpublic sector undertaking is associated with erection and sometimes running of thermal power plants

25. Most efficient plants are normally used as

peak load plants

base load plants

either (A) or (B)

none of the above

Detailed SolutionMost efficient plants are normally used as

26. Which plant can never have 100 percent load factor ?

Peak load plant

Base load plant

Nuclear power plant

Hydro electric plant

Detailed SolutionWhich plant can never have 100 percent load factor ?

27. Which of the following plants is almost inevitably used as base load plant ?

Diesel engine plant

Gas turbine plant

Nuclear power plant

Pumped storage plant

Detailed SolutionWhich of the following plants is almost inevitably used as base load plant ?

28. Which of the following is the disadvantage of static capacitor for power factor improvement ?

Easily damaged by high voltage

Cannot be repaired

Short service life

All of the above

Detailed SolutionWhich of the following is the disadvantage of static capacitor for power factor improvement ?

29. _______ industry has the least power consumption per tonne of product.

Soap

Sugar

Vegetable oil

Caustic soda

Detailed Solution_______ industry has the least power consumption per tonne of product.

30. Which of the following are not repayable after a stipulated period ?

Shares

Fixed deposits

Cash certificates

Bonds

Detailed SolutionWhich of the following are not repayable after a stipulated period ?

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