A device used to prevent the reverse flow of a liquid is a ______.
a. flow switch
b. pressure relief valve
c. check valve
d. evaporator pressure regulator
c. check valve
You might also like to view...
Cuando los vientos son peli- grosamente fuertes, el opera- dor debe _____.
a. dejar la pluma levantada y seguir trabajando b. bajar la pluma todo lo que pueda y apagar el equipo c. girar la grúa de manera que la pluma quede de contra al viento d. levantar más peso para que la grúa no se mueva
What are some of the uses for basic agricultural products? List at least five
What will be an ideal response?
How many degrees is the included angle of general purpose Acme threads?
A) 10 B) 60 C) 29 D) 14.5
When multiplying decimal fractions you multiply the numbers ignoring the decimal points, count the decimal places in each number and place the decimal point that many places from the right.
Answer the following statement true (T) or false (F)