How often should automatic and non-automatic sprinkler systems be inspected by a competent person holding a certificate of fitness, employed by the owner, in order to see that all parts of the system are in perfect working order?
A. at least twice a month
B. at least once a month
C. at least once a weekly
D. at least twice a year
Answer: B. at least once a month
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In combination solar, wind and ____ plants can produce a never ending source of clean electrical power.
a. fuel oil b. carbon c. geothermal d. hydro electric
Explain why the secondary windings on a step-up transformer can be made with smaller-diameter wire
What will be an ideal response?
Technician Asays ISO flare fittings may have a different pitch thread depending on the make and model of the vehicle. Technician B says ISO flares tend to seal better while using more torque on the threaded nut. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
If the position of an object oscillates about the switching point, then you need a position sensing switch with snap action and mercury wetted contacts
Indicate whether the statement is true or false