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Neural tube defect
Maternal drugs considered as risk factors for foetal neural tube defects are
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.
For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler.
Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.
For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has
In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is
For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
Viruses responsible for birth defect