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WorksheetsPPE MODEL EXAM PART B
Total questions: 15
Worksheet time: 30mins
High excess air in combustion of fuels results in _________
smoky flame
increased fuel consumption
incomplete combustion
none of the mentioned
_________ has the widest inflammability limit (explosion limit) of all the gases.
Carbon monoxide
Methane
Hydrogen
Acetylene
“Overfire burning” in a furnace is a phenomenon characterised by the __________
burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air
supply of excess fuel
supply of excess air
none of the mentioned
By superposing a high temperature power plant as a topping unit to the steam plant, the energy conversion efficiency achieved is?
higher
lower
maximum
minimum
Which of the following is not a type of Combined Plant?
Sodium- mercury-Potassium plant
Gas turbine-Steam turbine plant
Thermionic steam plant
Thermoelectric steam plant
What happens to the availability in a combined cycle plant?
decreases
increases
remains same
cannot say
Enriched uranium is one in which
%age of U235 has been artificially increased
%age of U238 has been artificially increased
%age of U234 has been artificially increased
extra energy pumped form outside
Which of the particles is the lightest
nucleus
electron
proton
meson
Which of these is not a merit of nuclear power?
amount of fuel required is small
plant requires a huge amount of area
demand for coal and oil is reduced
most economical in large quantities
What is the voltage output of carbon-oxygen fuel cell?(in V)
-.91
-1.24
-1.02
-1.17
In which turbine the pressure energy of water is first converted into kinetic energy by means of nozzle kept close to the runner?
Impulse turbine
Reaction turbine
Both Impulse and Reaction turbine
None of the mentioned
What is the head of water available at turbine inlet in hydro-electric power plant called?
head race
tail race
gross head
net head
What is the full form of GNP?
Gross Nation Product
Gross Nation Purchase
Gross Nation Premises
Grand Nation Product
The common property of rural communities has increasingly been used to supply the needs of the ______________
Forests
Urban
Deserts
Water bodies
Based on the volume of fill which is the largest man made dam in the world?
Tarbela Dam
Fort Peck Dam
Ataturk Dam
Houtribdijk Dam
