Related Questions

When the expansion or compression takes place according to the law pvn = C, the process is known as
A Isothermal process
B Adiabatic process
C Hyperbolic process
D Polytropic process
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to
A 0
B 1
C γ
D ∝
The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.
A Isobaric
B Isothermal
C Adiabatic
D None of these
In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is
A 1
B 1.4
C 1.5
D $$\gamma = \frac{{{{\text{C}}_{\text{p}}}}}{{{{\text{C}}_{\text{v}}}}}$$
During polytropic process
A Heat transfer takes place across cylinder walls
B Work is done
C Steam may be wet, dry or superheated after expansion
D All of the above
When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as
A Imaginary work
B Negative work
C Virtual work
D None of these
The polytropic index (n) is given by
A $$\frac{{\log \left( {{{\text{p}}_1}{{\text{p}}_2}} \right)}}{{\log \left( {{{\text{v}}_1}{{\text{v}}_2}} \right)}}$$
B $$\frac{{\log \left( {\frac{{{{\text{p}}_2}}}{{{{\text{p}}_1}}}} \right)}}{{\log \left( {\frac{{{{\text{v}}_1}}}{{{{\text{v}}_2}}}} \right)}}$$
C $$\frac{{\log \left( {\frac{{{{\text{v}}_1}}}{{{{\text{v}}_2}}}} \right)}}{{\log \left( {\frac{{{{\text{p}}_1}}}{{{{\text{p}}_2}}}} \right)}}$$
D $$\log \left( {\frac{{{{\text{p}}_1}{{\text{v}}_1}}}{{{{\text{p}}_2}{{\text{v}}_2}}}} \right)$$
Which of the following CSS Gradient Functions Creates a radial gradient that repeats infinitely?
A repeat-radial-gradient()
B repeating-radial-gradient()
C infinite-radial-gradient()
D none of the mentioned
A tailor had a number of shirt pieces to cut from some large pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute . How many large pieces would be cut in 24 minutes?
A 32
B 54
C 108
D 120
2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours

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