1. . Hotness or coldness of an object is expressed in terms of:
(A) Heat
(B) Temperature
(C) Energy
(D) Specific heat
2. . Something that flows from a hot body to a cold body is called:
(A) Heat
(B) Temperature
(C) Internal energy
(D) Specific heat
3. . Temperature of a body shows its:
(A) Physical state
(B) Degree of hotness
(C) Degree of coldness
(D) All of the above
4. . Heat is a form of:
(A) Momentum
(B) Work
(C) Energy
(D) Power
5. . Thermodynamics is the study of relationship between:
(A) Heat and gas
(B) Heat and solid
(C) Heat and liquid
(D) Heat and other forms of energy
6. . The first law of thermodynamics can be expressed mathematically as:
(A) ∆Q = ∆u + ∆w
(B) ∆Q = ∆u – ∆w
(C) ∆u = ∆Q + ∆w
(D) ∆w = ∆Q + ∆w
7. . The process in which the pressure of the system remains constant is called:
(A) Isothermal
(B) Isochoric
(C) Isobaric
(D) Adiabatic
8. . The process in which volume of the system remains constant is called:
(A) Isobaric
(B) Isochoric
(C) Isothermal
(D) Adiabatic
9. . The temperature of a system remains constant in:
(A) Adiabatic process
(B) Isobaric process
(C) Isochoric process
(D) Isothermal process
10. . In which process no heat is allowed to enter or leave the system:
(A) Adiabatic
(B) Isothermal
(C) Isochoric
(D) Isobaric