Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is Less About 3 times Same About 0.33 times TRUE ANSWER : ? YOUR ANSWER : ?
Height of the flights in the rotary drier is in the range of 0.02 to 0.05 d 0.2 to 0.5 d 0.5 to 0.6 d 0.08 to 0.12 d TRUE ANSWER : ? YOUR ANSWER : ?
In case of a continuous distillation column, increase in reflux ratio may result in the Lower fixed charges for the column Greater cost for the condenser coolant Greater cost for the reboiler heat supply All of these TRUE ANSWER : ? YOUR ANSWER : ?
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is Always less than the diameter of the tube Called tube clearance None of these Called tube pitch TRUE ANSWER : ? YOUR ANSWER : ?
Practical dividing line between a ductile and brittle materials is suggested, when the ultimate elongation is about 5%. Generally, larger the knuckle radius, stronger is the corner torus section of a head. The knuckle radius provided should be less than __________ of the head. Either A or B, whichever is larger 6% of I.D. 3 times the thickness Either A or B, whichever is smaller TRUE ANSWER : ? YOUR ANSWER : ?
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law. None of these Positive No Negative TRUE ANSWER : ? YOUR ANSWER : ?
Lug support is Provided usually for vessels of much smaller height than skirt supported vessels Same as bracket support All of these The most suitable for thick vertical vessel TRUE ANSWER : ? YOUR ANSWER : ?
Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/3t PD/4t PD/6t PD/2t TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of linear stress to linear strain is termed as the Modulus of elasticity None of these Modulus of rigidity Bulk modulus TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following types of reactors is the safest from operation point of view? A liquid phase reactor Pot type reactor A vapor phase reactor A liquid phase catalytic reactor TRUE ANSWER : ? YOUR ANSWER : ?