BHS Ag Mechanics semester 1 exam review

Which of the following is a basic type of weld? A. Groove B. Lap C. Edge D. Corner

A. Groove

Electrical equipment should always be properly connected to an electrically neutral source. What is this source called? A. Grounded B. Surfaced C. Neutralized D. Polarized

A. Grounded

Which of the following is an advantage of a ratchet? A. Speed B. Metric and standard ratchets are interchangeable C. Good reach D. All of the above

A. Speed

Which type of weld is generally used for thin metals? A. Spot B. Fillet C. Groove D. Surfacing

A. Spot

A pipe wrench should not be used on nuts and bolts. A. True B. False

A. True

The marking system on a cutting tip indicates for what type of gas it is used. What is the number for acetylene? A. 1112 B. 1101 C. 1100 D. 1108

B. 1101

Which of the following were two types of flames produced in this welding process? A. Oxygenizing and temperate B. Carburizing and neutral C. Carbonizing and natural D. Acetylizing and negative

B. Carburizing and neutral

What is the unit of measurement for expressing the intensity of sound? A. Syllable B. Decibel C. Vibration D. Acoustic

B. Decibel

It is permissible to use a hammer on a scratch awl. A. True B. False

B. False

What are the outside holes of a welding tip used for? A. Cutting B. Heating C. Piercing D. Melting

B. Heating

How are screwdrivers sized? A. Width of blade B. Length of blade C. Weight D. Diameter

B. Length of blade

How long is a duty cycle? A. 10 minutes B. 15 minutes C. 60 minutes D. 30 minutes

A. 10 minutes

Arc radiation can cause what on skin? A. Burns B. Freckles C. Spider veins D. Moles

A. Burns

Kevin is working with a metal which contains a hazardous material. Which of the following substances is considered a hazardous metal? A. Cadmium B. Iron C. Steel D. Carbon

A. Cadmium

What does the welder suggest you do with gas cylinders when you have finished welding for the day? A. Close the valves and release pressure on the bladders B. Close the valves and keep pressure on the bladders C. Keep valves open and keep pressure on the bladders D. Keep valves open and release pressure on the bladders

A. Close the valves and release pressure on the bladders

Which of the following is considered the most important skill in the workplace? A. Effective communication B. Knowledge of technology C. Certifications or licensures D. Leadership strategies.

A. Effective communication

If an acetylene bottle has been lying down, you cannot use it for welding until it has been vertical for how many hours? A. Four B. Two C. Ten D. Six

A. Four

What is an easy way to determine the size of a straight fluted screw extractor? A. The size is stamped on the turn neck B. The size is stamped on the head C. The size is stamped on the thread D. The size is stamped on the drive

A. The size is stamped on the turn neck

Gloves should be worn near moving machinery. A. True B. False

A. True

If a twist drill is not tightened properly in the chuck it may slip and damage the drill shank. A. True B. False

A. True

Needle nose pliers are mostly used for electrical work. A. True B. False

A. True

Nut drivers are sized according to the socket size on the end. A. True B. False

A. True

When welding, pockets on clothing should not have flaps? A. True B. False

A. True

Which of the following is NOT something done when lighting a torch? A. Turn on oxygen first B. Point torch away from the cylinders C. Turn on the acetylene first D. Clear the area around you

A. Turn on oxygen first

When using chisels, you should always ____________. A. Wear eye protection B. Work outside C. Check the angle of the blade D. All of the above

A. Wear eye protection

By what size increments does an open end wrench increase? A. 1/32 inch B. 1/16 inch C. 1/8 inch D. 1/4 inch

B. 1/16 inch

Which size electrode is NOT one of the most commonly used? A. 3/16 in. B. 1/4 in. C. 5/32 in. D. 1/8 in.

B. 1/4 in.

Which of the following should a welder never do when preparing to weld? A. Check for leaks on the cylinder valves B. Carry a lighter C. Check for leaks on the torch valves D. Clean your welding area

B. Carry a lighter

Which of the following is a tool used to mark the location of a hole which is going to be drilled? A. Starter punch B. Center punch C. Aligning punch D. Marker punch

B. Center punch

What should you do to treat a severe burn? A. Apply petroleum jelly B. Cover with clean, dry cloth C. Flush with water D. All of the above

B. Cover with clean, dry cloth

What is the trade name for a tapered screw extractor? A. Ezy-Pull B. Ezy-Out C. Ezy-Screw D. Ezy-Extract

B. Ezy-Out

"Torque" means slippage. A. True B. False

B. False

A trade name for a three-jaw, plain bearing, key type drill chuck is 'EzyOut.' A. True B. False

B. False

If the handles of pliers are plastic-coated, electric shock is prevented. A. True B. False

B. False

What should you do if chemicals are splashed into a person's eyes? A. Apply direct pressure B. Flush with water C. Call an optometrist D. All of the above

B. Flush with water

What device senses short circuits and stops electrical flow when ground faults occur? A. Personal protective equipment B. Ground fault circuit interrupter C. Pinch points D. Circuit fault interrupter

B. Ground fault circuit interrupter

What should you do if a penetrating eye injury occurs? A. Apply direct pressure B. Immobilize uninjured eye C. Flush with water D. All of the above

B. Immobilize uninjured eye

Sophia is designing a new welding shop for the local high school. Where should the compressed gas and fuel cylinders be stored? A. In the classroom, in the corner B. In a location designed for cylinders C. On the loading dock, behind the dumpster D. Outside the building in the shade

B. In a location designed for cylinders

Where can you find handling and emergency information on chemicals used in the shop? A. An encyclopedia B. Material safety data sheets C. Your chemistry book D. A and C

B. Material safety data sheets

Which of the following defines employability? A. A specific style of behavior in the workplace B. Positive work behaviors and personal qualities which make individuals more likely to gain employment and succeed in their chosen career C. Arriving at work on-time and successfully completing the tasks assigned D. Recognizing the questions which relate to goals, purpose, and needs.

B. Positive work behaviors and personal qualities which make individuals more likely to gain employment and succeed in their chosen career

Which of the following measurement tools is not considered a precision instrument? A. Small hole gauge B. Steel tape C. Telescoping gauge D. None of the above

B. Steel tape

What does the field edge of the tip affect? A. Amount of smoke from the flame B. Type of cone C. Length of flame D. Length of cone

B. Type of cone

Which of the following is NOT a problem-solving strategy? A. Developing a process B. Use of technology C. Anticipating problems D. Brainstorming

B. Use of technology

What designation appears on the frames of industrial quality safety glasses? A. Z86 B. Z87 C. Z97 D. Z98

B. Z87

What percentage of all shop injuries occur to the eyes? A. 5 percent B. 10 percent C. 15 percent D. 20 percent

C. 15 percent

At which of the following pressures is acetylene gas considered volatile? A. 20 psi B. 10 psi C. 15 psi D. 12 psi

C. 15 psi

When moving a cylinder outside the cart, it must have which of the following? A. The valve open B. Regulator C. A cap D. Teflon tapes

C. A cap

How are countersinks sized? A. According to length B. According to weight C. According to diameter D. According to height

C. According to diameter

Ian must use a flammable gas in his cutting operation. Which of the following would be a suitable choice? A. Argon B. Oxygen C. Acetylene D. Neon

C. Acetylene

Which of the following completely surrounds the nut or bolt head? A. Adjustable wrench B. Open-ended wrench C. Box-end wrench D. Combination wrench

C. Box-end wrench

Which type of joint is the groove weld used on? A. Lap joint B. Corner joint C. Butt joint D. T-joint

C. Butt joint

A combination square ______________.

C. Determines if something is square or at a 90 or 45 degree angle

EPA is the abbreviation for which of the following federal organizations responsible for protecting human health and the environment? A. Environmental & Persons Agency B. Environmental & Persons Association C. Environmental Protection Agency D. Environmental Protection Association

C. Environmental Protection Agency

Which of the following is important when using technology? A. Governance B. Credentialing C. Ethical conduct D. Preparation

C. Ethical conduct

What shade of hood or goggles do you need to wear while doing an oxy-fuel cut or weld? A. One or two B. Ten or eleven C. Four or five D. Twenty or twenty-one

C. Four or five

What is a liquid tester used to test? A. Temperature of a flame B. Tightness of a fitting C. Gas leaks in the lines D. Pressure on the bladder

C. Gas leaks in the lines

Which of the following is NOT part of the fire triangle? A. Combustible materials B. Source of ignition C. Heat D. Air

C. Heat

Most chisels are made of ___________. A. Plastic B. Aluminum C. High carbon steel D. None of the above

C. High carbon steel

When opening a torch, you should never stand in which direction of it? A. Behind it B. Diagonal to it C. In front of it D. To the side of it

C. In front of it

What is the color blue used to designate? A. Floors B. Doors C. Out of working order equipment D. Working order equipment

C. Out of working order equipment

A heating torch is usually referred to as what? A. Stick B. Flower C. Rose-bud D. Lighter

C. Rose-bud

Which of the following is a leadership skills? A. Breaking new ground B. Anticipating problems C. Treating everyone fairly D. Prioritizing

C. Treating everyone fairly

What size tip is recommended to cut the 1/4 in. metal in this project? A. 000 B. 01 C. 02 D. 00

D. 00

If you are using a piece of 1/8 inch thick base metal, what size electrode should you use? A. 3/16 in. B. 1/4 in. C. 5/32 in. D. 1/8 in.

D. 1/8 in.

Gretchen is looking for a cord with three prongs in the welding shop. Which of the following is the voltage of the power cord? A. 3 B. 30 C. 10 D. 110

D. 110

How many different types of ventilation are commonly used in the welding shop? A. 10 B. 11 C. 4 D. 3

D. 3

Approximately how efficient are stick electrodes? A. 80 percent B. 50 percent C. 70 percent D. 60 percent

D. 60 percent

Which of the following is a possible cause if you hear a pop when turning a torch off? A. Too much oxygen B. Too much acetylene C. Turn the valves off slowly D. A dirty tip

D. A dirty tip

Criteria for identifying sockets include which of the following? A. Size of nut or bolt they fit B. Size of drive C. Length of socket D. All of the above

D. All of the above

Types of tap include __________. A. Taper tap B. Plug tap C. Bottoming tap D. All of the above

D. All of the above

Which of the following are fire hazards commonly found in the shop? A. Sawdust B. Lumber scraps C. Oily rags D. All of the above

D. All of the above

Safety precautions which should be taken when using a hammer include which of the following? A. Use outside B. Use eye protection C. Be sure the head is tight on the handle D. Both B and C

D. Both B and C

Which of the following is NOT an example of a hazardous material? A. Oil B. Batteries C. Scrap Metal D. Carbon Steel

D. Carbon Steel

When gas cylinders are not in a cart, where should they be? A. In a pile B. Leaning against a wall C. Standing by the machine D. Chained to a wall

D. Chained to a wall

What is the last step in the clean up process? A. Tightly wrap up hoses B. Relieve pressure in bladder C. Turn off the gases D. Drain gas out of line

D. Drain gas out of line

What is the minimum range of clearance around your workspace you should have as a safety precaution? A. Five feet B. Six feet C. Seven feet D. Four feet

D. Four feet

Where is a neoprene insert located? A. On an extension bar B. In a ratchet adapter C. On a hex head driver D. In a spark plug socket

D. In a spark plug socket

Which of the following substances should never be used on any part of the oxygen acetylene tanks? A. Water B. Glue C. Soap D. Oil

D. Oil

Johnny is welding in a confined space. Which of the following gases is likely to be consumed and could cause Johnny to suffocate if it is completely depleted? A. Argon B. Carbon Dioxide C. Nitrous Oxide D. Oxygen

D. Oxygen

Which of the following should NOT be used on a cylinder at any time? A. Regulator B. Regulator-flow meter C. Valve cap D. Petroleum based lubricant

D. Petroleum based lubricant

Which of the following is NOT an employability skill? A. Ethical Behavior B. Teamwork C. Technology D. Sales

D. Sales

The pressure of the gases is determined by which of the following factors? A. Size of the cutting tip B. Width of the kerf C. Length of preheat time D. Thickness of material

D. Thickness of material