subject
Engineering, 28.08.2021 23:50 tommyewall34

Basic Question please help If you don’t know don’t answer, test for collage welding class

1. It is not a good practice to when lifting
A bend your back
B lift with your leg muscles
C wear a back brace
D. keep your back straight
E lift over 35 pounds

2. must be stored in an approved steel cabinet
A Gas cylinders
B Cleaning chemicals
C Welding rods
D Leathers

3. Which of the following safety practices is (are) recommended when working around electricity?
A. Let only trained technicians do repairs on electrical equipment.
B. Always check for loose connections and wom insulation with the power off.
c. Assume all electricity is dangerous.
D. Voltages of 220 volts or more should be clearly marked as dangerous.
E All of the above

4. should be used to light an oxyfuel gas flame.
A. A wooden match
B. A book match
C A spark lighter
D. Another torch
E. An electric are

5. Which of the following is an appropriate type of face and eye protection for resistance welding?
A. Lightly tinted welding goggles.

B. Welding helmet with a #6 filter lens.

C. Welding helmet with a #10 filter lens.

D. Welding helmet with a #14 filter lens.

6. All hand tools should be inspected for
A. size
B. loose parts
C. cleanliness
D. All of the above.

7. Which of the following metals may create toxic or deadly fumes when welded?
A. Beryllium
B. Lead
C. Cadmium
D. All of the above.

ansver
Answers: 2

Another question on Engineering

question
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
question
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
question
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
question
Engineering, 04.07.2019 19:20
Acommercial grade cubical freezer, 4 m on a side, has a composite wall consisting of an exterior sheet of 5.0-mm thick plain carbon steel (kst= 60.5 w/m k), an intermediate layer of 100-mm thick polyurethane insulation (kins 0.02 w/m k), and an inner sheet of 5.0- mm thick aluminium alloy (kal polyurethane insulation and both metallic sheets are each characterized by a thermal contact resistance of r 2.5 x 104 m2 k/w. (a) what is the steady-state cooling load that must be maintained by the refrigerator under conditions for which the outer and inner surface temperatures are 25°c and -5°c, respectively? (b) for power saving purpose, which wall material should be increased/reduced in. thickness in order to reduce 50% of the cooling load found in part (a)? redesign the thickness of the proposed material. 177 w/m-k). adhesive interfaces between the q=575.93 w
Answers: 2
You know the right answer?
Basic Question please help If you don’t know don’t answer, test for collage welding class
Questions
question
Mathematics, 28.02.2020 23:59
question
Computers and Technology, 29.02.2020 00:00
Questions on the website: 13722359