Chemical Engineering Thermodynamics Quiz Questions and Answers Pdf - 3

Question: 11

A Carnot cycle consists of the following steps

(A) two isothermals and two isochorics

(B) two isochorics and two isobarics

(C) two isobarics and two isothermals

(D) two isothermals and two isoentropics

Question: 12

Generation of heat by friction is an example of a/an _____ change.

(A) adiabatic

(B) reversible

(C) isothermal

(D) irreversible

Question: 13

Pick out the correct statement.

(A) a real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

(B) an ideal gas on expansion in vacuum gets heated up

(C) an ideal gas on expansion in vacuum gets cooled

(D) a real gas on expansion in vacuum gets heated up

Question: 14

Ideal refrigeration cycle is

(A) the least efficient of all refrigeration processes

(B) dependent on the refrigerant’s properties

(C) same as Carnot cycle

(D) same as reverse Carnot cycle

Question: 15

Main constituent of dolomite is

(A) Na₂CO₃

(B) K₂CO₃

(C) MgCO₃

(D) CaCO₃