All categories

3 years ago

Check pics to help me out on a pennfoster exam. Will mark brainliest if I pass the test. Thanks a lot.

Engineering

1 answer:

skad [1K]3 years ago

8 0

6. Fuel, oxygen and an ignition source must be present to start a fire.

7. Flash arrester

8. The location where a drill bit enters a workpiece.

9. Paper, oxygen and an ignition source.

10. Boom supported aerial lifts.

Explanation:

6. Fuel, air and an ignition source are included in “Fire Triangle”. These three conditions represent an essential prerequisite for starting a fire.

7. Flash arrester is a safety device used in welding torches to stop the reverse flow of the flame thereby protecting the user from any further damage.

8. Point of Operation refers to the place at which work is being performed. In the case of drill bit working, the workplace is the point where the drill bit enters the workpiece.

9. Class A fires are fire coming of from common materials such as paper, plastic, trash etc.

10. Fall protection refers to the safety net for the workers working at height. In the case of Boom supported aerial lifts, workers work at certain heights. Hence, they are equipped with fall protection gears.

You might be interested in

Can someone make me a chair on onshape DONT be rude I’m sick of wasting my points and getting them back now the points are going

Marizza181 [45]

Answer:

Honestly if you mostly need help are you allowed to ask your peers??? if I struggle there were plenty of kids I would ask and they would help

7 0

3 years ago

What is the heat loss coefficient that has a symbol Uair and is found from (volumetric flow * density * specific heat capacity)

aleksley [76]

Answer:

Uair = 0.0749 KW/k = 74.9 W/k

Explanation:

The natural air change per hour is given by the formula:

Natural Air Change per Hour = ACPH = 60*Volume Flow/Volume

where,

ACPH = 0.4

Volume Flow = ? in ft³/min

Volume = 19456 ft³

Therefore,

0.4 = (60 min)(Volume Flow)/(19456 ft³)

Volume Flow = (0.4)(19456 ft³)/(60 min) = (129.7 ft³/min)(1 min/60 s)

Volume Flow = (2.16 ft³/s)(0.3048 m/1 ft)³ = 0.061 m³/s

Now, we find heat loss coefficient:

Uair = Volumetric Flow*Density of air*Specific Heat Capacity of air

Uair = (0.061 m³/s)(1.225 kg/m³)(1 KJ/kg.k)

6 0

3 years ago

Which of the following are true about the American Wire Gauge?

harina [27]

Answer:

A. smallest wire is No. 12

7 0

3 years ago

The Double.parseDouble() method requires a String argument, but it fails if the String cannot be converted to a floating-point n

LuckyWell [14K]

Answer:

import java.util.Scanner;
public class TryToParseDouble {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
double num;
try{
System.out.print("Input a number: ");
num = Double.parseDouble(input.nextLine());
}catch(NumberFormatException e){
num = 0;
System.out.println("Invalid input! It should be a number in double type");
}
System.out.println(num);
}
}

Explanation:

Firstly, create a Scanner object to get user input (Line 5).

Next, create a try block and prompt user to input a number and use Double.parseDouble() method to convert the input to double type in the block (Line 8-10).

Next, create a catch block to catch a NumberFormatException. In the Catch block, set the num to zero and then print out a message to inform user about the invalid input (Line 12-14).

Lastly, display the number (Line 16).

5 0

3 years ago

Have you ever had an ice cream headache that’s when a painful sensation resonates in your head after eating something cold usual

san4es73 [151]

Answer:

Cause and effect

Explanation:

pls mark brainliest

5 0

3 years ago

Read 2 more answers