A. 0
B. 1
C. ∞
D. None of these
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Related Mcqs:
- Increase in the entropy of a system represents the_____________________?
A. Degradation of energy
B. Decrease in system pressure
C. Increase in the availability of energy
D. Increase in the temperature - Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
A. R ln 2
B. -R ln 2
C. 3 R ln 2
D. -3R ln 2 - In ________________ process, there is an increase in entropy with no degradation of energy ?
A. Isothermal expansion
B. Isochoric heat addition
C. Polytropic expansion
D. Isobaric heat addition - Which of the following materials has the least scrap value ?
A. Aluminium
B. Stainless steel
C. Brass
D. Copper - As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
A. 110
B. 85
C. 60
D. 45 - A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is___________________?
A. 8.82
B. 9.81
C. 10.88
D. 0.95 - For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg) ?
A. Propane and acetylene
B. Propane and LPG
C. Sewage gas and gobar gas
D. B.F gas and coke oven gas - 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. Y = Cp/Cv - Gross national product (GNP) means the total value of _______________ in a country ?
A. Goods produced
B. Gold reserve
C. Earning of the citizens
D. Taxes paid - Calorific value of ____________________ are almost same?
A. Lignite & anthracite coal
B. Lignite & coal gas
C. Petrol & diesel
D. Coal gas & natural gas
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