First law of thermodynamics deals with

First law of thermodynamics deals with the

A

Direction of energy transfer

B

Reversible processes only

C

Irreversible processes only

D

None of these

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

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

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

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

According to first law of thermodynamics

A

Work done by a system is equal to heat transferred by the system

B

Total internal energy of a system during a process remains constant

C

Internal energy, enthalpy and entropy during a process remain constant

D

Total energy of a system remains constant

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

The second law of thermodynamics states that

A

The energy change of a system undergoing any reversible process is zero

B

It is not possible to transfer heat from a lower temperature to a higher temperature

C

The total energy of system and surrounding remains the same

D

None of the above

First law of thermodynamics deals with

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