The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress. Yield point Ultimate Breaking None of these TRUE ANSWER : ? YOUR ANSWER : ?
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of (1.2)3/5 (1.2)3/2 (1.2)2/3 (1.2)5/3 TRUE ANSWER : ? YOUR ANSWER : ?
Overall tray efficiency of a distillation column is the ratio of the number of None of these Ideal trays required to the number of real trays required Real trays required to the number of ideal trays required Overall gas transfer units to the number of ideal trays required TRUE ANSWER : ? YOUR ANSWER : ?
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 95 38 19 76 TRUE ANSWER : ? YOUR ANSWER : ?
Hoop (circumferential) stress induced in a thin walled 'Horton Sphere' used for the storage of liquid ammonia under pressure is pD/6t pD/2t pD/3t pD/4t TRUE ANSWER : ? YOUR ANSWER : ?
Hole diameter of the seive trays in the distillation column ranges from __________ mm. 3 to 12.5 12.5 to 18.5 L to 3 4 to 8 TRUE ANSWER : ? YOUR ANSWER : ?
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.4-0.9 1.2-1.5 0.1-0.2 0.2-0.5 TRUE ANSWER : ? YOUR ANSWER : ?
Apex angle of conical heads used in the bottom heads of chemical process equipments is usually 45° 60° 30° 75° TRUE ANSWER : ? YOUR ANSWER : ?
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.95 0.55 0.99 0.8 TRUE ANSWER : ? YOUR ANSWER : ?
Diameter of bubble caps used in high pressure columns is __________ as compared to that used in identical vacuum columns. More Either A or B; no generalisation can be made Less Same TRUE ANSWER : ? YOUR ANSWER : ?