Why should you exercise caution when using a bench grinder?
What will be an ideal response?
A bench grinder will throw off metal particles so you should always use eye protection. Also, you should use the guards, guides and shields because the piece you are grinding my slip out of your hand and become airborne.
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Root hairs penetrate the pore spaces in the ____________________ and absorb dissolved nutrients
Fill in the blank(s) with the appropriate word(s).
Define concave root surface and list its common causes and consequences.
What will be an ideal response?
If the velocity of air through an 8" x 20" duct is 700 fpm, how many cfm of air is being carried by the duct?
What will be an ideal response?
In order to check the CLR function of a counter, which action should be taken?
A) Ground the CLR input and check to be sure that all of the Q outputs are LOW. B) Connect the CLR input to Vcc and check to see if all of the Q outputs are HIGH. C) Apply the active level to the CLR input and check all of the Q outputs to see if they are all in their reset state. D) Connect the CLR to its correct active level while clocking the counter; check to make sure that all of the Q outputs are toggling.