During fire situations below grade level, coupled with good ventilation techniques, firefighters may put the nozzle on a __________ pattern to assist in gaining access to the fire.
A. straight stream
B. combination
C. blitz
D. wide fog
Answer: D. wide fog
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Human pro-insulin has been made in which of the following?
a. tobacco cells c. carrot cell cultures b. canola seed d. frog embryos
The mapping unit code CeB3 indicates the soil in this unit consists of Land Capability Class III
Indicate whether the statement is true or false
What procedure is required when using silicone-compound coolant hoses?
A. More frequent replacement. B. Use of specially formulated coolants. C. Should only be installed using quick-couple hose connectors. D. Use of specialized clamps torqued to the OEM specifications.
On an exposed-nail roll roofing installation, the lower edge of the roofing material is fastened to the roof deck
by _____. A) nailing or stapling the material to the roof deck B) cementing the edge of the material to the layer below it C) applying cement to the entire underside of the roofing material D) cementing the edge of the material to the layer below it and nailing the material to the roof deck