A liquid stream is cooled from 80°C to 30°C in a double pipe heat exchanger as illustrated below: 

Fluid flowing counter currently with this stream is heated from 15°C to 30°C. Calculate the log mean temperature difference. 

#Question id: 10730

#SCPH28 | Zoology

Which of the following index value increasing towards late successional community?

#Question id: 10757

#I Life Science/ Life Sciences Group – I-V

A Negative Hydrostatic Pressure in Soil Water,

#Question id: 10757

#SCPH05 I Biotechnology

A Negative Hydrostatic Pressure in Soil Water,

#Question id: 10757

#SCPH06 I Botany

A Negative Hydrostatic Pressure in Soil Water,

#Question id: 10759

#I Life Science/ Life Sciences Group – I-V

many secondary metabolites have been suggested to have important ecological functions in plants:

a) they protect plants against being eaten by herbivores (herbivory)

b) they protect plants against being infected by microbial pathogens

c) they serve as attractants for pollinators and seed dispersing animals

d) they serve as agents of plant–plant competition

Which of the following combination from above statements is correct?

#Question id: 10759

#SCPH05 I Biotechnology

many secondary metabolites have been suggested to have important ecological functions in plants:

a) they protect plants against being eaten by herbivores (herbivory)

b) they protect plants against being infected by microbial pathogens

c) they serve as attractants for pollinators and seed dispersing animals

d) they serve as agents of plant–plant competition

Which of the following combination from above statements is correct?