What type of detector is constructed using a stainless steel tubing or outer later over a ceramic thermistor core protecting a center conductor?
A. Fiber optic neat detector
B. Bimetallic neat detector
C. Spot heat detector
D. Line-type/bnear heat detector
正解:D
質問 2:
The minimum carbon dioxide design concentration for extinguishment of an ethylene fire is
A. 34%
B. 40%
C. 49%.
D. 43%.
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
Environmental Protection Agency standards require solid waste be treated as hazardous if it is a listed waste and/or meets the characteristics prescribed by the standard for toxicity, reactivity, corrosivity, and
A. solubility.
B. compactability.
C. treatability.
D. ignitability.
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
Which of the following would NOT be an appropriate purpose for employing a guard service to protect a property against fire loss?
A. To protect the property at times when the management is not present
B. To facilitate and control the movement of persons into, out of, and within the property
C. To carry out procedures for the orderly conduct of some operations on the property
D. To perform routine housekeeping and equipment maintenance operations during nonproduction hours
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
What are the human health effects of exposure for two minutes at a concentration of less than 50 ppm of hydrogen fluoride?
A. Moderate eye and upper respiratory tract irritation.
B. Mild eye and upper respiratory tract irritation.
C. Slight eye and nasal irritation.
D. Moderate irritation of all body surfaces.
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
Which of the following approaches can be used to manage smoke in large that consists of allowing smoke to till the large volume space while occupants evacuate the atrium?
A. Steady clear height
B. Forced filling
C. Unsteady clear height
D. Smoke filling
正解:A
質問 7:
Response Time Index (RTI) is a value applicable to
A. Amount of time required for water to reach the most remote sprinkler.
B. Measure of thermal sensitivity of the air evacuation device of a dry pipe sprinkler system.
C. Measure of thermal sensitivity of a sprinkler's activation.
D. Measure of thermal sensitivity of a wet pipe sprinkler system's alarm device.
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
in a single-story general industrial occupancy protected by an NFPA 13 system, what is the allowed travel distance?
A. 400 ft (122 m)
B. 1500(106 m
C. 3000(91 m
D. 250(1 (78 m)
正解:D
小幡** -
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