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Engineering :: Energy Conversion

41.  Which of the following place is associated with thermal power plants?
A. Agra B. Bhakra
C. DVC D. Obra
E. Tarapur    
42.  Which of the following is considered to be superior quality coal for power plants?
A. Bituminous coal B. Peat
C. Coke D. Lignite
E. Pulverised coal    
43.  The equipment used for pulverising is known as
A. Stoker B. Burner
C. Hopper D. Ball mill
E. Coke oven    
44.  The live storage of coal in power plant means
A. Coal ready for combustion B. Preheated coal
C. Purified coal D. Coal in transit
E. Storage of coal sufficient to meet hour demand for the plant.    
45.  The critical pressure water is
A. 1 atm B. 100 kg/cm2
C. 150 kg/cm2 D. Less than 200 kg/cm2
E. More than 200 kg/cm2    
46.  Out of the following which one is not a unconventional source of energy?
A. Tidal power B. Geothermal energy
C. Nuclear energy D. Wind power
E. Magneto hydrodynamic generator    
47.  Pulverised coal is
A. Coal free from as content B. Coal free from sulphur
C. Non-smoking coal D. Coal which burns for long time
E. Coal broken into fine pieces    
48.  The heating value of coal largely depends on
A. Size of coal particles B. Carbon content
C. Volatile matter D. Moisture content
E. Sulphur content    
49.  Coal used in power plants is also known as
A. Charcoal B. Steam coal
C. Coke D. Soft coal
E. Power coal    
50.  Least overall efficiency can be expected in which type of power plant?
A. Steam power plant B. Diesel engine power plant
C. Gas turbine power plant D. Nuclear power plant
E. Hydro-electric power plant    

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