Part 10

Question 1

190. Which type of appliance is constructed so that all the combustion air is supplied directly from, and the products of combustions are vented directly to the outdoors by independent enclosed passageways connected directly to the appliance?

Answer 1

a. Indoor/outdoor Appliance
b. Direct-fired Appliance
c. Direct-vent Appliance (c)
d. Indirect-fired Appliance

Question 2

191. What is the maximum allowable pressure drop for natural gas only with less than 7 in w.c.?

Answer 2

a. 7” WC to 14” WC
b. 14” WC
c. 1” WC
d. 0.5” WC (d)

Question 3

192. The act or code that applies to all workers is called?

Answer 3

a. Technical Standards
b. Occupation Health & Safety Act (b)
c. TSSA
d. Builders Code

Question 4

193. How far should be the base of a ladder is from the building if the ladder is 36 feet high?

Answer 4

a. 10 ft
b. 10.5 ft
c. 12.5 ft
d. 12 ft (d)

Question 5

194. What is a good response to a customer who is demanding unreasonable or impossible performance?

Answer 5

a. Firmly restate what you are able to do and offer them that if they do no happy, they can hire another company
b. Tell them that their request is not possible and they should leave these decisions to the experts
c. Confirm their request is possible but it will cost considerably more money
d. Calmly and patiently identify what you are able to do and not what you are unable to (d)

Question 6

195. What is the maximum gas pressure permitted in one and two family dwellings?

Answer 6

a. 2 psig (14 kPa) (a)
b. 5 psig (35 kPa)
c. 10 psig (70 kPa)
d. 14 inch w.c.

Question 7

196. Identify the correct blade to be used in a chop saw when cutting non-Ferris metals and plastic?

Answer 7

a. A carbide-tipped blade (a)
b. An abrasive blade
c. A steel-toothed blade
d. All of the above

Question 8

197. The atomic number of an element represents the number of?

Answer 8

a. Electrons
b. Protons (b)
c. Neutrons
d. None of the above

Question 9

198. The nucleus of an atom has an overall __________ electrical charge?

Answer 9

a. Positive (a)
b. Negative
c. Neutral
d. None of the above

Question 10

199. What is the name for a valve which is normally closed and allows flow in only one direction?

Answer 10

a. No-flow valve
b. Flow valve
c. Solenoid valve
d. Back check valve