Process Equipment and Plant Design In a shell and tube heat exchanger, the clearance of the tube is generally More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter More than the tube diameter Not less than one-fourth of the tube diameter or 3/16" More in case of triangular pitch as compared to the square pitch tube layout Equal to the tube diameter ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate. 2 8 1/2 4 2 8 1/2 4 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres. 45 20 30 85 45 20 30 85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. CO₂ None of these SO₂ NH₃ CO₂ None of these SO₂ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Both A & B Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a Either A or B Neither A nor B Floating head tube sheet U-bend Either A or B Neither A nor B Floating head tube sheet U-bend ANSWER DOWNLOAD EXAMIANS APP