- (A) higher
- (B) lower
- (C) same
- (D) depends on the area of heat exchanger
- (E) depends on temperature conditions
Mechanical Engineering Mcqs
- (A) more than those for liquids
- (B) less than those for liquids
- (C) more than those for solids
- (D) dependent on the viscosity
- (E) same as for the liquids
- (A) directly proportional to thermal con¬ductivity
- (B) inversely proportional to density of substance
- (C) inversely proportional to specific heat
- (D) all of the above
- (E) none of the above
- (A) conduction
- (B) convection
- (C) radiation
- (D) conduction and radiation combined
- (E) convection and radiation combined
- (A) watt/cm2 °K
- (B) watt/cm4 °K
- (C) watt2/cm °K4
- (D) watt/cm2 °K4
- (E) watt/cm2 °K2
- (A) same
- (B) more
- (C) less
- (D) depends on other factors
- (E) none of the above
- (A) absolute temperature
- (B) square of temperature
- (C) fourth power of absolute temperature
- (D) fourth power of temperature
- (E) cube of absolute temperature
- (A) Grashoff no. and Reynold no
- (B) Grashoff no and Prandtl no.
- (C) Prandtl no. and Reynold no
- (D) Grashoff no., Prandtl no and Reynold no
- (E) none of the above
- (A) thermal conductivity
- (B) thermal diffusivity
- (C) density
- (D) dynamic viscosity
- (E) kuiematic viscosity
- (A) shorter wavelength
- (B) longer wavelength
- (C) remains same at all wavelengths
- (D) wavelength has nothing to do with it
- (E) none of the above

