Related Questions

The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
A Net efficiency
B Efficiency ratio
C Relative efficiency
D Overall efficiency
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
The indicated thermal efficiency is defined as the
A Ratio of thermal efficiency to the Rankine efficiency
B Ratio of brake power to the indicated power
C Ratio of heat equivalent to indicated power to the energy supplied in steam
D Product of thermal efficiency and Rankine efficiency
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
A CO2
B N2
C O2
D CO
Thermal efficiency of a thermal power plant is of the order of
A 15%
B 20%
C 30%
D 45%
If Michael can shovel all the snow of a standard driveway in 12 minutes, and Emon can shovel all the snow of a standard driveway in 36 minutes, then working together, how many minutes would it take for them both to shovel all the snow of a standard driveway?
A 5
B 9
C 15
D 18
The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is
A Same
B Less
C More
D More or less depending on power rating
The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will
A Increase
B Decrease
C Be independent
D May increase or decrease depending on other factors
Ratio of indicated h.p. to shaft h.p. in known as
A Compressor efficiency
B Isothermal efficiency
C Volumetric efficiency
D Mechanical efficiency

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