Deck 25: Scale Reading of Test Meters

Question 1

If you read a meter from an angle, you will get an incorrect reading. This problem is called ____________________.

Answer 1

parallax

Question 2

When reading a meter, it is very important that you ____.

A) hold it at eye level
B) make sure it is varying
C) make sure it is digital
D) be directly in front of it

Answer 2

be directly in front of it

Question 3

Read the voltmeter in the accompanying figure to the nearest tenth of a volt. The switch is set to 24.

A) 27.3
B) 27.6
C) 27.9
D) 28.2

Answer 3

27.6

Question 4

Read the voltmeter in the accompanying figure to the nearest tenth of a volt. The switch is set to 8.

A) 6.4
B) 6.5
C) 6.7
D) 6.9

Question 5

Technicians are required to use both digital and ____________________ (a scale with a movable needle) type meters.

Question 6

$\begin{array}{lcl}\text { Item } & \text { Quantity } & \text { Cost } \\5 / 8 \text {-inch hose } & 30 \text { inches } & \$ 1.25 \text { per foot } \\3 / 4 \text {-inch hose } & 24 \text { inches } & \$ 1.35 \text { per foot } \\5 / 8 \text {-inch hose clamps } & 2 & \$ 0.84 \text { each } \\3 / 4 \text {-inch hose clamps } & 2 & \$ 0.84 \text { each } \\\text { Thermostat with gasket } & 1 & \$ 5.65 \text { each } \\\text { Pressure cap } & 1 & \$ 4.50 \text { each } \\\text { Upper hose } & 1 & \$ 11.44 \text { each } \\\text { Lower hose } & 1 & \$ 16.53 \text { each } \\\text { Hose clamps } & 4 & \$ 0.98 \text { each }\\\\\text { Labor charges are as follows: }\\\\ \text { Remove, clean, and replace radiator } &&\$ 39.50 \\ \text { Reverse flush block } &&\$ 20.00 \\ \text { Replace heater hoses } &&\$ 10.00 \\ \text { Replace thermostat and cap } &&\mathrm{~N} / \mathrm{C}\end{array}$ Read the voltmeter in the accompanying figure to the nearest tenth of a volt. The switch is set to 24.

A) 27.0
B) 27.6
C) 28.2
D) 28.8

Question 7

Read the voltmeter in the accompanying figure to the nearest hundredth of a volt. The switch is set to 8.

A) 6.55
B) 6.65
C) 6.70
D) 6.75

Question 8

$\begin{array}{|l|c|c|}\hline{\text { Item }} & \text { Quantity Needed } & \text { Cost } \\\hline 8 \text { Spark plugs } & 1 \text { set } & \$ 31.84 \\\text { Spark plug wires } & 1 \text { set } & \$ 73.92 \\\text { Distributor cap } & 1 & \$ 24.16 \\\text { Rotor } & 1 & \$ 9.10 \text { each } \\\text { Labor } & \text { Flat rate } & \$ 80.00 \\5 \% \text { sales tax on } & & \\\text { parts only } & & \\\hline\end{array}$ In the accompanying figure, which scales are to be used for hydrocarbon and carbon monoxide, respectively?

A) Lo, Lo
B) Hi, Lo
C) Lo, Hi
D) Hi, Hi

Question 9

$\begin{array}{lcl}\text { Item } & \text { Quantity } & \text { Cost } \\5 / 8 \text {-inch hose } & 30 \text { inches } & \$ 1.25 \text { per foot } \\3 / 4 \text {-inch hose } & 24 \text { inches } & \$ 1.35 \text { per foot } \\5 / 8 \text {-inch hose clamps } & 2 & \$ 0.84 \text { each } \\3 / 4 \text {-inch hose clamps } & 2 & \$ 0.84 \text { each } \\\text { Thermostat with gasket } & 1 & \$ 5.65 \text { each } \\\text { Pressure cap } & 1 & \$ 4.50 \text { each } \\\text { Upper hose } & 1 & \$ 11.44 \text { each } \\\text { Lower hose } & 1 & \$ 16.53 \text { each } \\\text { Hose clamps } & 4 & \$ 0.98 \text { each }\\\\\text { Labor charges are as follows: }\\\\ \text { Remove, clean, and replace radiator } &&\$ 39.50 \\ \text { Reverse flush block } &&\$ 20.00 \\ \text { Replace heater hoses } &&\$ 10.00 \\ \text { Replace thermostat and cap } &&\mathrm{~N} / \mathrm{C}\end{array}$ Read the voltmeter in the accompanying figure to the nearest tenth of a volt. The switch is set to 16.

A) 14.1
B) 14.2
C) 14.3
D) 14.4

Question 10

Sometimes, the needle on the meter swings back and forth. This is called ____________________.