Related Questions

The first law of thermodynamics is the law of
A Conservation of mass
B Conservation of energy
C Conservation of momentum
D Conservation of heat
According to First law of thermodynamics,
A Total internal energy of a system during a process remains constant
B Total energy of a system remains constant
C Work-done by a system is equal to the heat transferred by the system
D Internal energy, enthalpy and entropy during a process remain constant
Which of the following statement is correct according to Clausis statement of second law of thermodynamics?
A It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature.
B It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source.
C It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle.
D None of the above
First law of thermodynamics furnishes the relationship between
A Heat and work
B Heat, work and properties of the system
C Various properties of the system
D Various thermodynamic processes
First law of thermodynamics deals with the
A Direction of energy transfer
B Reversible processes only
C Irreversible processes only
D None of these
First law of thermodynamics deals with
A Conservation of heat
B Conservation of momentum
C Conservation of mass
D Conservation of energy
First law of thermodynamics
A Enables to determine change in internal energy of the system
B Does not enable to determine change in entropy
C Provides relationship between heat, work and internal energy
D All of the above
First law of thermodynamics is mathematically stated as
A dQ = dE + dW
B dQ = dE - dW
C dE = dQ + dW
D dW = dQ + dE
তাপগতিবিদ্যার প্রথম সূত্র নিচের কোন রাশির সংরক্ষণশীলতা নির্দেশ করে? (Conservation of which of the following quantities indicates the first law of thermodynamics?)
A শক্তি (Energy)
B তাপমাত্রা (Temperature)
C চার্জ (Charge)
D ভর (Mass)
নিচের কোনটি তাপ গতিবিদ্যার প্রথম সূত্র? (Which one of the following is the first law of Thermodynamics?)
A dQ=dU + dw
B Q = dU + dW
C dQ = U + dW
D dQ = U+W

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