In mechanical engineering mcq website , today we solveing the power plant subject multiple choice questions Mcq on Gas power plant -Brayton cycle (Joule cycle)( objectives) (pdf)
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Mcq on Gas power plant -Brayton cycle (Joule cycle)( objectives)
Gas power plant MCQ - 1
Brayton cycle is a consist
A) Two constant volume process and two constant temperature process
B) Two constant pressure process and two constant temperature process
C) Two constant Volume process and two constant entropy process
D) Two constant Pressure process and two constant entropy process
Answer - D
Gas power plant MCQ - 2
Brayton cycle (joule cycle) is working cycle of
A) Petrol engine
B) Diesel engine
C) steam power plant
D) Gas power plant
Answer - D
Gas power plant MCQ - 3
If Regenerative processes used in gas power plant then efficiency is ........ .
A) Increased
B) Decreased
C) Not change
D) None of these
Answer - A
Gas power plant MCQ - 4
Joule cycle is also called as .....
A) Carnot cycle
B) Brayton cycle
C) Rankine cycle
D) None of these
Solution
Brayton cycle is also called as constant pressure cycle or joule cycle or gas turbine cycle.
Gas power plant MCQ - 5
Brayton cycle efficiency range is ...........
A) 15% to 20%
B) 20% to 25%
C) 25% to 30%
D) 30% to 35%
Answer - D
Gas power plant MCQ - 6
Brayton cycle is also called as ......
A) Carnot cycle
B) Joule cycle
C) Rankine cycle
D) None of these
Answer - B
Solution
Brayton cycle is also called as constant pressure cycle or joule cycle or gas turbine cycle.
Gas power plant MCQ - 7
If a gas regenerative with regeneration used, then
A) Increased thermal efficiency
B) Decreased erosion in blade
C) Increased work output
D) Can't say
Answer - B
Gas power plant MCQ - 8
Brayton (joule) cycle efficiency is ....... than Carnot cycle
A) More
B) Less
C) Same
D) None of these
Answer - B
Gas power plant MCQ - 9
In which condition , Brayton cycle efficiency is high ?
A) Superheated cycle
B) Saturated cycle
C) Reheat cycle
D) Regenerative cycle
Answer - D
Gas power plant MCQ - 10
In Joule (Brayton) cycle heat supplied obtained from
A) Constant Temperature
B) Constant pressure
C) Constant Volume
D) Constant Entropy
Answer - B
Gas power plant MCQ - 11
Joule cycle is used in ........ power plant
A) Steam
B) Nuclear
C) Gas
D) All above these
Answer - C
Gas power plant MCQ - 12
Gas turbine power plant is ....... efficient than Rankine (steam turbine plant)
A) Less
B) Same
C) More
D) None of these
Answer - A
Gas power plant MCQ - 13
Rankine cycle efficiency is more than gas power plant.
A) True
B) False
Answer - A
Solution
Rankine cycle efficiency is More than Brayton cycle because , Rankine cycle is waste heat recovery cycle so Rankine cycle efficiency more than gas power plant.
Gas power plant MCQ - 14
Brayton cycle is also called as
A) Gas power plant cycle
B) Steam power cycle
C) Internal combustion engine cycle
D) Refrigeration cycle
Answer - A
Gas power plant MCQ - 15
The main advantages of gas turbine plant with reheat .....
A) increased efficiency of plant
B) Reduced load on condenser
C) improved in work output
D) None of these
Answer - C
Gas power plant MCQ - 16
In Joule cycle two constant. ......... process and two constant ........ process
A) Pressure, entropy
B) Volume, entropy
C) Pressure, temperature
D) Volume, temperature
Answer - A
Gas power plant MCQ - 17
Which thermodynamics cycle used in gas turbine ?
A) Otto cycle
B) Carnot Cycle
C) Diesel cycle
D) Brayton cycle
Answer - D
Gas power plant MCQ - 18
In gas turbine cycle heat rejected obtained from
A) Constant tempeature
B) Constant pressure
C) Constant Volume
D) Constant entropy
Answer - B
Gas power plant MCQ - 19
In Gas turbine cycle (Brayton cycle ) heat input (Supplied) provides to ........
A) Pump
B) Condenser
C) Turbine
D) Compression
Answer - D
Gas power plant MCQ - 20
A gas turbine plant with reheat leads to a improved the thermal efficiency.
A) True
B) False
Answer - A
Ranking cycle MCQ - 22
In Brayton cycle heat output (rejection) obtained from.......
A) pump
B) Condenser
C) Turbine
D) Boiler
Answer - B
Gas power plant MCQ - 23
For the same maximum and minimum temperature, tha Joule cycle has
A) More efficiency to that Carnot cycle
B) same efficiency than Carnot cycle
C) Less specific work output than Carnot cycle
D) More specific work output than Carnot cycle.
Answer - D
Gas power plant MCQ - 24
which cycle is ideal cycle of gas turbine
A) Otto cycle
B) Carnot Cycle
C) Diesel cycle
D) Brayton cycle
Answer - D
Gas power plant MCQ - 25
When regenerative process is used in steam power plant then increased
A) Power output
B) Thermal
C) Both A and B
D) None of these
Answer - B
Gas power plant MCQ - 26
Which of the following is a types of gas turbine power plant ?
A) Single acting
B) Double acting
C) Open
D) None of these
Answer - C
Today we solveing the power plant subject multiple choice questions Mcq on Gas power plant -Brayton cycle (Joule cycle)( objectives) (pdf)
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