- (A) varies with temperature
- (B) varies with wavelength of the incident ray
- (C) is equal to its emissivity
- (D) does not vary with temperature and. wavelength of the incident ray
- (E) none of the above
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- (A) emissivity
- (B) transmissivity
- (C) reflectivity
- (D) intensity of radiation
- (E) absorptivity
- (A) convection
- (B) radiation
- (C) conduction
- (D) both convection and conduction
- (E) none of the above
- (A) same
- (B) higher
- (C) more or less same
- (D) very much lower
- (E) very much higher
- (A) Wien’s law
- (B) Planck’s law
- (C) Stefan’s law
- (D) Fourier’s law
- (E) Kirchhoff’s law
- (A) kcal/m2
- (B) kcal/hr °C
- (C) kcal/m2 hr °C
- (D) kacl/m hr °C
- (E) kcal/m3 hr °C
- (A) reflected
- (B) refracted
- (C) transmitted
- (D) absorbed
- (E) partly reflected and partly absorbed
- (A) grey body
- (B) brilliant white polished body
- (C) red hot body
- (D) black body
- (E) none of the above
- (A) universal gas constant
- (B) kinematic viscosity
- (C) thermal conductivity
- (D) Planck’s constant
- (E) none of the above
- (A) conduction
- (B) convection
- (C) radiation
- (D) conduction and convection
- (E) convection and radiation
