An external type tooth lock washer:
A) Is used only with 82 degree flat head screws
B) Provides the same friction as an internal tooth lock washer
C) Provides less friction than an internal tooth lock washer
D) Provides more friction than an internal tooth lock washer
D
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Amendments to potting soil mixtures may include all of the following EXCEPT ____
a. sand b. perlite c. vermiculite d. hematite e. shredded plastics f. sphagnum peat g. composted rice hulls h. coconut fiber
(a) Under the applied loads support B in Figure P10.9 settles 0.5 in. Determine all reactions.
Why are thermostatic expansion valves often used as the outdoor metering device for the heating cycle?
A) TEVs can be adjusted in the field to match the heat pump performance with the climate it will be operating in B) TEVs are easier to install on the outdoor coil C) TEVs allow the system pressures to equalize on the off cycle, allowing the use of low starting torque compressors D) The TEV can modulate the refrigerant flow over the wide range of temperatures experienced in the heating mode
Clutch fluid level is checked at the ________
A) Master cylinder B) Slave cylinder C) Clutch reserve D) Bleeder valve