Process Equipment and Plant Design Which of the following is the best tube material from thermal conductivity point of view alone? Copper Carbon steel Aluminium Stainless steel Copper Carbon steel Aluminium Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower. Molal flow rate of vapour Pressure and temperature Vapour molecular weight All of these Molal flow rate of vapour Pressure and temperature Vapour molecular weight All of these 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 Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Neither A nor B Both A & B Economic limit reached, when the plant cost exceeds the saving of steam ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation Both B & C Increases economy Does not affect the capacity Increases capacity Both B & C Increases economy Does not affect the capacity Increases capacity ANSWER DOWNLOAD EXAMIANS APP
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 The normal range of velocity of steam in pipes is __________ m/sec. 0.1-0.5 80-100 1-5 10-20 0.1-0.5 80-100 1-5 10-20 ANSWER DOWNLOAD EXAMIANS APP
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