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Power Plant Engineering - Interview Questions and Answers

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81. In coal preparation plant, magnetic separators are used to remove
A. dust
B. clinkers
C. iron particles
D. sand
Explanation:
82. Load centre in a power station is
A. centre of coal fields
B. centre of maximum load of equip-ments
C. centre of gravity of electrical system
D. centre of gravity of electrical system
Explanation:
83. 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
Explanation:
84. The efficiency of a modern boiler using coal and heat recovery equipment is about
A. 25 to 30%
B. 40 to 50%
C. 65 to 70%
D. 85 to 90%
Explanation:
85. Load carrying capacity of belt conveyor is about
A. 20 to 40 tonnes/hr
B. 50 to 100 tonnes/hr
C. 100 to 150 tonnes/hr
D. 150 to 200 tonnes/hr
Explanation:
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