Heat Transfer Solid angle subtended by the finite surface at the radiating element is expressed in terms of radians called the angle of vision proportional to the square of the distance between surfaces called the view factor. expressed in terms of radians called the angle of vision proportional to the square of the distance between surfaces called the view factor. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling? Triangular pitch Diagonal square pitch None of these Square pitch Triangular pitch Diagonal square pitch None of these Square pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body) Independent of T α 1/T αT α T⁴ Independent of T α 1/T αT α T⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Refractory bricks Coal dust Iron plates Aluminium foil Refractory bricks Coal dust Iron plates Aluminium foil ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Graetz number is given by mCp/kL kL/mCp kμ/mCp mCp/kμ mCp/kL kL/mCp kμ/mCp mCp/kμ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to None of these Stop the supply of steam Remove water resulting from partial condensation of steam Condense the steam flowing in the pipeline None of these Stop the supply of steam Remove water resulting from partial condensation of steam Condense the steam flowing in the pipeline ANSWER DOWNLOAD EXAMIANS APP