- (A) increase
- (B) decrease
- (C) remain unchanged
- (D) increase/decrease depending on application
- (E) unpredictable
Mechanical Engineering Mcqs
- (A) two isothermals and two isentropics
- (B) two isentropics and two constant volumes
- (C) two isentropics, one constant volume and one constant pressure
- (D) two isentropics and two constant pressures
- (E) none of the above
- (A) increase
- (B) decrease
- (C) remain unchanged
- (D) increase/decrease depending on ap-plication
- (E) unpredictable
- (A) Rankine
- (B) Stirling
- (C) Carnot
- (D) Brayton
- (E) Joule
- (A) heat
- (B) potential energy
- (C) surface tension
- (D) friction
- (E) increase in pressure
- (A) watts/°K
- (B) dynes/°C
- (C) ergscm/°K
- (D) erg/°K
- (E) none of the above
- (A) 760 mm Hg
- (B) zero mm Hg
- (C) 735.6 mm Hg
- (D) 1 mm Hg
- (E) lOOmmHg
- (A) 1 kgf/cnr2
- (B) 1.033 kgf/cm2
- (C) 0 kgf/cm2
- (D) 1.0197 kgf/cm2
- (E) 100 kgf/cm2
- (A) a thermodynamic machine
- (B) a non-thermodynamic machine
- (C) a hypothetical machine
- (D) a hypothetical machine whose opera-tion would violate the laws of thermodynamics
- (E) an inefficient machine
- (A) heat can’t be transferred from low temperature source to high temperature source
- (B) heat can be transferred for low temperature to high temperature source by using refrigeration cycle.
- (C) heat can be transferred from low temperature to high temperature source if COP of process is more than unity
- (D) heat can’t be transferred from low temperature to high temperature source without the aid of external energy
- (E) all of the above
