Jim's Practice Test 5 Flashcards
1
Q
- Picture a panel with 8 fuses. Four have black wires, 4 have white wires. Pick the most accurate statement:
a. Fused neutrals
b. 240 volt fuses
c. Never a problem
d. Always a problem
A
Fused neutrals
2
Q
- Three wires to masthead, 2 wires to main panel; what is voltage:
a. 240 volts
b. 120/240 volts
c. 120 volts
d. 100 amps
A
120 volts
3
Q
- The best way to vent and insulate a cathedral ceiling:
a. Fill cavity completely
b. Leave gap above insulation
c. Always use fiberglass batts
d. Use soffit vent only
A
Leave gap above insulation
4
Q
- Which is the most rigid floor joist:
a. 2x10
b. 4x8
c. 2x12
d. 4x4
A
2x12
5
Q
- Common Temperature Rise with an old furnace:
a. 70º- 100º
b. 150º- 180º
c. 30º- 60 º
d. 25º- 45º
A
70º- 100º
6
Q
- Where roof and dormer come together, siding should be ” above shingles:
a. Makes no difference
b. 3”
c. 1-2” above shingles
d. 1/2”
A
1-2” above shingles
7
Q
- Vapor barrier should be:
a. To the cold side
b. To the warm in winter side
c. To either side
d. Depends on where installed
A
To the warm in winter side
8
Q
- Shingles are 4 years old, cupping of tabs, with no loss of granules. Cause is:
a. Defective shingles
b. Poor installation
A
Defective shingles
9
Q
- Water heaters must have a:
a. Pressure relief valve
b. Temperature/pressure relief valve
c. Magnesium anode rod
d. Temperature relief valve
A
Temperature/pressure relief valve
10
Q
- The relief valve for a water heater must be installed:
a. With stem directly in tank (top 6”)
b. With stem in tank or hot water pipe
c. Only in hot water pipe
d. None of the above
A
With stem directly in tank (top 6”)
11
Q
- Wall cracks should be investigated to determine if structural rot, structural cracking, foundation settlement or pulled fastenings have occurred if crack is wider than:
a. 1/8”
b. 1/4”
c. 3/8”
d. 1/2”
A
1/4”
12
Q
- Plaster cracks over a chimney breast are usually caused by:
a. Changing materials
b. Settlement of the chimney
c. Heat
d. Changing of humidity from front to back
A
Settlement of the chimney
13
Q
- When plaster cracks appear over gypsum lath either 2 or 4 feet apart, this is normally:
a. Not serious
b. The last sign before the wall or ceilings fall
c. Uncommonly heavy storage in attics or 2nd floors
d. A sign of poor workmanship
A
Not serious
14
Q
- What is the possible result of water ponding on a roof?
a. Attracts ducks
b. No effect
c. Reduced life expectancy
A
Reduced life expectancy
15
Q
- The most obvious clue to a plumbing venting problem is:
a. Gurgling
b. Poor water flow
c. Water hammering
d. Sewer odor
A
Gurgling