Related Questions

Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
A Is more accurate in finding the number of equilibrium stages
B Accounts for the enthalpy changes in the process
C Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method
D All of the above
The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to
A m
B $$\frac{1}{{\text{m}}}$$
C $$\sqrt {\text{m}} $$
D m2
The safe speed for a train rounding a corner is proportional to the square root of the radius . If the safe speed for a curve of radius 49 meters is 28 km/h. The safe speed for a curve of radius 64 metes is :
A (256/7)km /h
B (256/7) km /h
C 32 km /h
D 23 km /h
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either (A) or (B)
D None of these
One degree of curve is equivalent to (where R is the radius of curve in meters.)
A $$\frac{{1600}}{{\text{R}}}$$
B $$\frac{{1700}}{{\text{R}}}$$
C $$\frac{{1750}}{{\text{R}}}$$
D $$\frac{{1850}}{{\text{R}}}$$
In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when
A Cp v
B Cp = Cv
C Cp > Cv
D Cp ≥ Cv
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either heat absorbed or heat rejected
D None of these
If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that
A demand cannot be met by inflow
B reservoir was not full at the beginning
C both (A) and (B)
D none of the above
The curve of metacentre for a floating body __________ the curve of buoyancy.
A Is always below
B Is the evolute of
C Intersects at right angle
D Is tangential to
y = 1+12+x বক্ররেখা x-অক্ষকে A বিন্দুতে এবং y-অক্ষকে B বিন্দুতে ছেদ করলে AB সরলরেখার সমীকরণ নিচের কোনটি? ( If the curve y = 1+12+x intersects x-axis and y-axis at A and B, respectively, then which one of the following is the equation of AB?)
A x + 2y + 3 = 0
B x + 2y - 3 = 0
C x - 2y + 3 = 0
D x - 2y - 3 = 0

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