Correct answer
C. Sand
Explanation
The correct answer is Sand.
Drills are usually made of________?
Mode of heat transfer involved in the cooling of air cooled internal combustion engine is________?
Hydrofining is the most recent and effective method for the________?
For identical operating conditions, the pressure drop over ________ tray is the highest out of the following?
In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will ________?
Floating head heat exchangers are used for the________?