Match the word with its appropriate opposite

Which of the following is an opposite to "kind" 

Which of the following is an opposite to " patient ".

A higher value of τα (transmittance-absorptance product) will result in a higher stagnation temperature.

Stagnation temperature is reached when the mass flow rate of the fluid is zero.

The disposition of tubes in the absorber shown in figure (a) offers better heat exchange performance than figure (b), but it can lead to increased thermal stress on the collector compared to figure (b).

What happens if the heat pipe in an evacuated tube fails to condense vapor?

Why are plastics less suitable than glass for glazing?

What reduces heat loss in evacuated tube collectors?

What fluid is typically used in evacuated tube heat pipes?