Examintation Section Test #1 Multiple Choice

Question 1

Spontaneous combustion is started by the accumulation of heat from slow:
(a) resonance
(b) electrolysis
(c) cooling
(d) oxidation

Answer 1

D.) Oxidation

Question 1

Power may be defined as:
(a) force times distance
(b) mass times acceleration
(c) melt one pound of ice
(d) change one point of water to steam

Answer 1

D.) Change one point of water to steam

Question 2

An inclined plan 6 feet long and 4 inches high has a theoretical mechanical advantage of :
(a) 1.5
(b) 10
(c) 18
(d) 24

Answer 2

C.) 18

Question 3

If the velocity of an object is doubled, its kinetic energy is :
(a) doubled
(b) quadrupled
(c) quartered
(d) halved

Answer 3

B.) Quadrupled

Question 4

The Volume of a given weight of dry gas is inversely proportional to its pressure, provided the temperature _____:
(a) increases
(b) decreases
(c) remains constant
(d) is within the ambient range

Answer 4

C.) Remains Constant

Question 5

The angle of a declination is the number of degrees that a compass needle varies from :
(a) the equator
(b) mean sea level
(c) true south
(d) true north

Answer 5

D.) True North

Question 6

If the pressure of a gas is kept constant, the volume will vary ______ the absolute temperature.
(a)inversely as
(b) directly as
(c) inversely as the square of
(d) directly as the square of

Answer 6

B.) Directly as

Question 7

A hygrometer is an instrument used to determine:
(a) absolute pressure
(b) specific gravity
(c) relative humidity
(d) time

Answer 7

C.) Relative Humidity

Question 8

The Separation of white light into its component colors by means of a triangular glass prism is known as:
A.)Dispersion
B.) Reflection
C.) Diffraction
D.) Magnification

Answer 8

A.) Dispersion

Question 9

Brass is an alloy which consists PRIMARILY of:
A.) Zinc and Copper
B.) Beryllium and Asbestos
C.) Bromine and Iron
D.) Copper and Steel

Answer 9

A.) Zinc and Copper

Question 10

The Gases produced by the electrolysis of sodium chloride in water solution are:
A.) Sulfur Dioxide
B.) Carbon Monoxide and Helium
C.) Hydrogen and Chlorine
D.) Bromine and Methane

Answer 10

C.) Bromine and Methane

Question 12

A Scale of 1/120 is the same as a scale of …

A.) 1/8 inch equalsa foot
B.) 1 inch equals 10 feet
C.) 3/16 inch equals 1 foot
D.) 1 inch equals 12 feet

Answer 12

B.) 1 inch equals 10 feet

Question 13

Seasoning lumber is the drying out of the moisture that is normally present in green lumber. of the following the BEST reason for specifying seasoned lumber for floor beams is that…

A.) Seasoned lumber will not warp as much as unseasoned lumber.
B.) It is easier to paint seasoned lumber.
C.) It is easier to drive nails into seasoned lumber.
D.) Seasoned lumber weighs less thereby reducing shipping costs

Answer 13

A.) Seasoned lumber will not warp as much as unseasoned lumber.

Question 14

Turning of metals is USUALLY performed on a …

A.) Radial drill press
B.) Lathe
C.) Milling machine
D.) Shaper

Answer 14

B.) Lathe

Question 15

Of the following, the BEST reason for using lightweight aggregate for plastering a wall is…

A.) The dead load will be reduced
B.)Lightweight aggregate produces a finer finish
C.)Lightweight aggregate is less expensive than ordinary aggregate
D.)You can substitute 2-coat plaster with lightweight aggregate in place of 3-coat plaster with ordinary aggregate

Answer 15

A.) The dead load will be reduced

Question 16

The property of steel that makes it suitable for use in a cable is its strength in…
A.) Compression
B.)Tension
C.)Shear
D.)Torsion

Answer 16

B.) Tension

Question 17

Water distribution mains 6” in diameter and larger are USUALLY made of …

A.)Cast Iron
B.) Steel
C.) Concrete
D.) Clay

Answer 17

A.) Cast Iron

Question 18

A Meter is, in inches, MOST NEARLY…

A.) 39.4
B.) 46.4
C.) 50.0
D.) 100.0

Answer 18

A.) 39.4

Question 19

A planimeter is an instrument used to measure…

A.) Areas
B.) Angles
C.) Distances
D.) Elevations

Answer 19

A.) Areas

Question 20

In structural steel details, a line passing through the center of a row of rivets is called a(n) ___ line.

A.) Section
B.) Extension
C.) Gage
D.) Cut

Answer 20

C. Gage

Question 21

In topographic maps, the lines drawing to show relief by means of hill shading are called…

A.)Hachures
B.)Soundings
C.) Grid Lines
D.) Flats

Answer 21

A.) Hachures

Question 22

The projection of a circular cross-section, such as on a casting or forging, is called a

A.) Bore
B.) Chamfer
C.) Core
D.) Boss

Answer 22

D.) Boss

Question 23

On a diagrammatic piping drawing, the symbol “ -|><|- “ USUALLY indicates a ..

A.) Check Valve
B.) Union
C.) Cross
D.) 90 degree elbow

Answer 23

A.) Check Valve

Question 24

The welding symbol “right triangle” USUALLY indicates a ____ weld.

A.) Bead
B.) Plug
C.) Fillet
D.) Groove

Answer 24

C.) Fillet

Question 25

A map is drawn to a scale of 1” = two miles. The distance between two points on the map is 2 1/2”. The ACTUAL distance between the same two points on the ground is MOST NEARLY _____ feet.

A.)25,200
B.)25,800
C.) 26,400
D.)30,000

Answer 25

C.) 26,400

Question 26

The profile of a sewer is drawn to a scale of 1” = 50’ horizontal and 1”=10’ vertical. The invert of the sewer drops 1.200 feet in horizontal distance of 250 feet. The actual slope of the sewer is MOST NEARLY…

A.) 0.40%
B.) 0.48%
C.) 0.54%
D.) 0.60%

Answer 26

B.) 0.48%

Question 27

The distance between two trusses or transverse bents in a building is USUALLY called a …

A.) set back
B.) Story
C.) Bay
D.) Chase

Answer 27

C.) Story

Question 28

Any section taken through a sphere wil appear on the cutting plane as a(n)…

A.) Circle
B.) Ellipse
C.) Oval
D.) Spheroid

Answer 28

A.) Circle