Chapter 9- Driver/Operator

Question 1

The following method for testing foam proportioning system for calibration accuracy is recommended for protein and fluoroprotein based foam solutions

Answer 1

Foam solution refractivity testing

Question 2

The following method for testing a foam proportioning system for calibration accuracy is recommended for synthetic based foams

Answer 2

Foam solution conductivity testing

Question 3

Foam solution conductivity testing measures the amount of foam concentrate in a solution by relying on the ability of the foam

Answer 3

Conduct electricity

Question 4

The following method of performing conductivity testing of foam solution is performed by using a handheld, temperature compensated conductivity meter

Answer 4

Conductivity calibration curve testing

Question 5

The following methods of performing conductivity testing of foam solution involves the step of immersing the sensor head in plain water to zero the meter

Answer 5

Direct reading conductivity testing

Question 6

The following method of testing foam solution is performed by taking a reading from plain water used for the test and a reading from the foam doubting produced by the system being tested

Answer 6

Conductivity comparison testing

Question 7

The following guideline should be followed when adding dry chemical to an agent tank

Answer 7

Examine the gaskets for cuts, wear,and electricity

Question 8

Testing dry chemical systems is

Answer 8

Expensive an time consuming

Question 9

The following term refers to the distance the vehicle moves from the time the driver eyes see a hazard until the drivers brain acknowledges the hazard

Answer 9

Perception distance

Question 10

The following terms refers to the distance traveled from the time the drivers brain tells the foot to move from the accelerator until the foot is actually pushing the brake pedal

Answer 10

Reaction distance

Question 11

When does a vehicle skid

Answer 11

Whenever the tires lose their grip on the road

Question 12

A precaution for driving in rough terrain is

Answer 12

Maintain a steady speed and keep the wheels straight

Question 13

The angle of approach for an ARFF vehicle is the

Answer 13

Steepest ramp that a fully loaded vehicle can approach

Question 14

A guideline for safely traversing ditches an gullies is to

Answer 14

Cross shallow ditches by using low gear ranges

Question 15

In continuous mass application most ARFF foam apparatus will exhaust their agent capacity in approximately

Answer 15

90-120 seconds

Question 16

Compressed air foam systems (CAFS) have air to agent ratios as high as

Answer 16

20:1

Question 17

Inspection of apparatus foam on a daily basis usually consists of

Answer 17

Making sure that the agent is full