Engineering Thermodynamics - Study Mode

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[#311] The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called

(A) Cracking

(B) Fractional distillation

(C) Full distillation

(D) Carbonisation

Correct Answer

(B) Fractional distillation

[#312] If the value of n = 0 in the equation pvn = C, then the process is called

(A) Constant volume process

(B) Adiabatic process

(C) Constant pressure process

(D) Isothermal process

Correct Answer

(C) Constant pressure process

[#313] If in the equation pv n = C, the value of n = $$ propto $$, then the process is called

(A) Constant volume process

(B) Adiabatic process

(C) Constant pressure process

(D) Isothermal process

Correct Answer

(A) Constant volume process

[#314] When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

(A) Thermodynamic law

(B) Thermodynamic process

(C) Thermodynamic cycle

(D) None of these

Correct Answer

(B) Thermodynamic process

[#315] A cycle consisting of two isothermal and two isentropic processes, is known as

(A) Carnot cycle

(B) Stirling cycle

(C) Ericsson cycle

(D) Joule cycle

Correct Answer

(A) Carnot cycle