Thermodynamics Test Questions

Q.  On weight basis, air contains following parts of oxygen_________________?

a. 21
b. 23
c. 25
d. 73
e. 79


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Energy can neither be created nor destroyed but can be converted from one form to other is inferred from_________________?
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MCQs:  Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant________________?
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MCQs:  Isochoric process is one in which___________________?
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MCQs:  Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant_______________?
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MCQs:  Total heat of a substance is also known as __________________?
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MCQs:  Addition of heat at constant pressure to a gas results in________________?
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MCQs:  Measurement of temperature is based on_________________?
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MCQs:  Carnot cycle efficiency is maximum when______________?
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MCQs:  If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly_________________?
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MCQs:  An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is___________________?
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MCQs:  In a Carnot cycle, heat is transferred at_______________________?
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MCQs:  An adiabatic wall is one which__________________?
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MCQs:  Compressed air coming out from a punctured football___________________?
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MCQs:  During throttling process___________________?
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MCQs:  A sudden fall in the barometer reading is a sign of approaching________________?
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MCQs:  Calorie is a measure of
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MCQs:  Barometric pressure is equal to_____________________?
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MCQs:  The first law of thermodynamics is the law of_________________?
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MCQs:  Kelvin Planck’s law deals with___________________?
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MCQs:  Thermal power plant works on______________?
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