- (A) convection
- (B) radiation
- (C) conduction
- (D) both convection and conduction
- (E) none of the above
Mechanical Engineering Mcqs
- (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
- (A) both the fluids at inlet (of heat ex¬changer where hot fluid enters) are in their coldest state
- (B) both the fluids at inlet are in their hot¬test state
- (C) both the fluids .at exit are in their hottest state
- (D) one fluid is in hottest state and other in coldest state at inlet
- (E) any combination is possible depending on design of heat exchanger
- (A) one dimensional cases only
- (B) two dimensional cases only
- (C) three dimensional cases only
- (D) regular surfaces having non-uniform temperature gradients
- (E) irregular surfaces
