+1-315-636-4485
+91 98151-74050 
This is an MCQ-based quiz on the topic of Steam Boilers, Engines, Nozzles and Turbines.
This includes Rankine cycle - Schematic layout, Thermodynamic Analysis, Concept of Mean Temperature of Heat addition, Methods to improve cycle performance - Regeneration & reheating, and many more.
Alkaline pyrogallate is used in Orsat"s apparatus for absorption of
The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called
The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required.
The effect of friction on the flow of steam through a nozzle is to
The maximum discharge through a chimney occurs when the height of chimney is
The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency)
The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become
The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become
Reheating of steam under ideal conditions takes place at constant
A binary vapor plant consists of
What is the critical pressure ratio for initially dry saturated steam?
The ratio of the isentropic heat drop to the heat supplied is called ____________
Stage efficiency
Reheat factor
Internal efficiency
Rankine efficiency
A nozzle is said to be a divergent nozzle ____________
When the cross-section of the nozzle increases continuously from entrance to exit
When the cross-section of the nozzle decreases continuously from entrance to exit
When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit
None of the mentioned
The ratio of the work done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called?
Nozzle efficiency
Stage efficiency
Mechanical efficiency
Blading efficiency
What is the purpose of governing in steam turbines?
Reheat the steam and improve its quality
Maintain the speed of the turbine
Reduce the effective heat drop
Completely balance against end thrust
A steam nozzle converts ____________
Heat energy of steam into potential energy
Potential energy into heat energy of steam
Heat energy of steam into kinetic energy
Kinetic energy into heat energy of steam
The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as?
Regenerative heating
Reheating of steam
Bleeding
None of the mentioned
If the critical pressure ratio for steam is 0.546, then the steam is initially ____________
Wet
Dry saturated
Superheated
None of the mentioned
A steam turbine, in which a part of the steam after partial expansion, is used for process heating and the remaining steam is further expanded for power generation, is known as?
Pass out turbine
Impulse turbine
Low pressure turbine
High pressure turbine
A stage, in reaction turbine, is represented by ____________
Each row of blades
Number of entries of steam
Number of exits of steam
None of the mentioned
