Correct answer
A. Anhydrous ammonia, air and water
Explanation
The correct answer is Anhydrous ammonia, air and water.
Which of the following is not an alloy of copper?
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its________?
For the same flow rate of a fluid, the pressure drop is the least for ________?
Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C?
LPG stands for ________?