The process of determining the way in which the string of digital data fits together, how the communication is started and ended, whose turn it is to send or receive data, and how messages are confirmed is controlled by a(n) ____.
a. protocol
b. application layer
c. PLC
d. control device
a. protocol
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Needle valves are used for fine flow control because _____.
a. the shape provides a gradual increase or decrease in the size of the valve opening b. they are very inexpensive c. they are made of stainless steel d. they exhibit high head loss
In saliva, ____________________ serves as lubrication as feed is consumed
Fill in the blank(s) with correct word
A telescopic gauge can be used to measure a cylinder bore if what other measuring device is used to measure the telescopic gauge?
A) Dial indicator B) Feeler gauge C) Micrometer D) Small hole gauge
Which of the following is an incorrect statement about the use of a shackle?
a. Shackles with pins worn more than 10 percent should be replaced. b. A shackle pulled out at an angle has a reduced capacity. c. A shackle should never be used such that the pin can roll under load. d. When using a shackle with a hook, the shackle body should be hung on the hook.