7636Chemical EngineeringMedium
pH value of soil is maintained at ________ by the addition of fertilizer for optimum growth and health of the plant?
A12-13
B9-10
C7-8
D4-5
Correct answer
C. 7-8
Explanation
The correct answer is 7-8.
Correct answer
C. 7-8
Explanation
The correct answer is 7-8.
In case of centrifugal fan or blower, the gas capacity varies as ________?
Materials having resistivity ranging from 1 to 100 ohm. cm is termed as________?
Seamless pipe is made________?
An evaporator while concentrating an aqueous solution from 10 to 40% solids evaporates 30000 kg of water. The amount of solids handled by the system in kg is________?
Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
The ratio of atomic radius to its nuclear radius is about________?