This common type of cam follower works well at high speeds, reduces friction and heat, and keeps wear to a minimum.
a. flat-faced follower
b. knife-edged follower
c. roller follower
d. high-speed follower
c. roller follower
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A material commonly used to provide low-maintenance, high-durability partitions in schools and similar structures is _____.
a. refractory brick b. structural clay tile c. common brick d. glass block
A substance with high ____________________ is very poisonous.
Fill in the blank(s) with the appropriate word(s).
The greater the bandwidth, the greater the problem with ________________
A. phase distortion B. refraction C. tropospheric scatter D. fading
When replacing a battery, which is the recommended sequence to use in disconnecting and re-connecting the cables?
A. Disconnect the ground cable first and re-connect it last B. Disconnect the ground cable last and re-connect it first C. Disconnect the positive cable first and re-connect it last D. Disconnect the positive cable last and re-connect it last