Growth of ________ is promoted by the presence of manganese in water?
Correct answer
C. Micro-organisms
Explanation
The correct answer is Micro-organisms.
Correct answer
C. Micro-organisms
Explanation
The correct answer is Micro-organisms.
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in________?
Noise level during normal conversation among men is about ________ decibels?
“When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change.” This is called the________?
The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the________?
Work study deals with the ________ study?
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder ________?