PSE-II

Which of the following components is NOT a part of the Rankine cycle?

• Carburettor

• Condenser

• Turbine

• Boiler

What is the function of the condenser in a Rankine cycle?

• To increase the pressure of steam

• To convert steam into water

• To remove non-condensable gases

• To generate heat

What is the typical working fluid used in the Rankine cycle?

• Air

• Water

• Hydrogen

• Freon

Which of the following is NOT a boiler accessory?

• Superheater

• Economizer

• Feed pump

• Safety valve

Which of the following boiler accessories increases the overall efficiency of the boiler?

• Economizer

• Air preheater

• Superheater

• All of the above

Boiler mountings are used for

• Increasing the efficiency of the boiler

• Ensuring the safe operation of the boiler

• Reducing fuel consumption

• Improving steam quality

The function of a fusible plug in a boiler is to

• Regulate steam flow

• Indicate water level

• Extinguish fire in case of low water level

• Control air supply

The function of a blowdown valve in a boiler is to

• Remove sludge and sediments

• Control steam flow

• Maintain boiler temperature

• Regulate fuel supply

The steam rate is defined as

• The amount of steam required to produce 1 kW of power

• The rate at which steam is consumed in a turbine

• The amount of fuel required to generate steam

• The efficiency of a steam boiler

The unit of steam rate is typically expressed in

• kg/hr

• kg/kWh

• kW/kg

• m³/s