0.5 to 1
1 to 1.5
1.5 to 2
2 to 2.5
✅ The correct answer is option A.
Engineering
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4052. __________ strain is measured using a ‘strain rosetter’.
Volumetric
Shear
Linear
none of these
✅ The correct answer is option C.
4053. With increase in the number of shell passes, the value of FT
increases
decreases
remains same
remains same, only if the number of tube passes does not change.
✅ The correct answer is option A.
4054. For organic compounds, group contribution method can be used for the estimation of
A. Critical properties
B. Specific gravity
C. Specific volume
D. Thermal conductivity
✅ The correct answer is option A.
4055. Degree of freedom of the system ice-water-vapour will be
A. 0
B. 1
C. 2
D. 3
✅ The correct answer is option A.
4056. The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are
A. 5 & 3
B. 3.987 & 1.987
C. 1.987 & 0.66
D. 0.66 & 1.987
✅ The correct answer is option A.
4057. The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is
A. Less pronounced
B. More pronounced
C. Equal
D. Data insufficient, can’t be predicted
✅ The correct answer is option B.
4058. In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process.
A. Isobaric
B. Isothermal
C. Isentropic
D. Isometric
✅ The correct answer is option A.
4059. Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
A. Straight line
B. Sine curve
C. Parabola
D. Hyperbola
✅ The correct answer is option A.
4060. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.
A. Kinematic viscosity
B. Work
C. Temperature
D. None of these
✅ The correct answer is option D.