Power Generation- TPS-1

A Thermal power station basically works on the principle of

• Brayton cycle

• Rankine cycle

• Carnot Cycle

• Reheat-Regenerative Cycle

What kind of energy output is obtained from a ‘Steam Power Plant’?

• a) Heat energy

• b) Sound energy

• c) Electrical Energy

• d) Thermal energy

What are the components of a Steam Power Plant?

• a) Evaporator, Condenser, Boiler, Expansion valve

• b) Evaporator, Condenser, Boiler, Turbine

• c) Boiler, Turbine, Condenser, Pump

• d) Boiler, Turbine, Pump, Expansion valve

As per Central Electricity Authority, what is the percentage of installed capacity of thermal power plants

• 57%

• 75%

• 10%

• 25%

Which of the following coal is widely used in power plants?

• Peat

• Lignite

• Bituminous

• Anthracite

Which of the following is not true in the choice of steam conditions?

• With the increase in pressure the efficiency obeys the ‘law of diminishing returns’

• With the increase in temperature the efficiency obeys the ‘straight line law’ i

• the average output of plant units increases the percentage total capital cost decreases

• steam consumption increases with increase in the capacity of the unit.

which of the following Pulverised fuel burners has high rate of combustion

• Long flame burners

• Turbulent burners

• Tangential burners

• Cyclone burners

The following conveyor cannot be used for the transfer of coal from preparation to dead storage over longer distance

• Belt conveyors

• Grab bucket elevators

• Flight conveyor

• Screw conveyor

Which of the following furnaces are designed with travelling grates?

• Hand fired

• Semi-mechanized

• Stocker fired

• Chamber fired furnaces

The coal pulverising mills reduce coal to powder form by

• All three actions

• Crushing

• Attrition (abrasion)

• Impact