Download ELECTRICAL CRAFT HELPER TEST QUESTIONS AND ANSWERS 2025 and more Exams Engineering in PDF only on Docsity!
ELECTRICAL CRAFT HELPER
TEST
Tool number 60 is usually called a - ANSWERS-A. Center wrench B. Dial wrench *C. Tap wrench D. Spanner wrench What is commonly used to make scratch marks on sheet metal? - ANSWERS- A. 29 B. 32 *C. 38 D. 39 To make a wood screw flush with a wood surface, it would be best to use tool number - ANSWERS-A. 9 B. 38 C. 39 D. 41 The tool shown in number 4 is best used for cutting - ANSWERS-A. Across the grain B. With the grain C. Small circles in hardboard D. Large tree limbs
The tip size selected when gas welding or cutting sheet metal is generally - ANSWERS-A. Small size B. Medium size C. Large size D. Extra large size The hammer as used in the diagram is an example of - ANSWERS-A. a class 1 lever B. A class 2 lever C. A class 3 lever D. None of these type of levers 5 + 15 12 - 4 18 / 6 7 * 8 29 - 8 = - ANSWERS-A. 82 B. 89 C. 132 *D. 108 55 * 7 15 - 6 25 + 16 216 / 8 44 - 23 = - ANSWERS-A. 443 B. 473
*D. 9.
A pole line is to consist of 24 poles per 1,000 meters. The average distance between poles for this line is closest to - ANSWERS-A. 30 meters B. 35 meters *C. 40 meters D. 45 meters If a length of wire 4 feet long weighs 1/2 pounds, a roll of this wire 400 ft king will weigh about - ANSWERS-A. 32 pounds B. 50 pounds C. 64 pounds D. 100 pounds 5/8 multiplied by 3/8 equals - ANSWERS-A. 15/ B. 1/ C. 15/ D. 1 7/ 25% of 60 is - ANSWERS-A. 8 *B. 15 C. 25 D. 37 Special type of saw blade used on a power saw for cutting material such as, cement block, brick and sheet metal, is called an - ANSWERS-Abrasive cutoff wheel
Once a hacksaw has started to bite into a piece of conduit the strokes in cutting should - ANSWERS-Use the full length of the blade The tool best used to hold an object to be filed is - ANSWERS-A vise Which of the following is the best hammer to use for pounding a damaged signpost anchor in the ground - ANSWERS-Sledge A rat tail file is - ANSWERS-A round, thin and pointed file used to smooth the inside of a drilled rimless lens hole. Which of the following is best to use to remove large nuts and bolts - ANSWERS-Open end wrench The tools used to determine whether a pipe is plumb is a - ANSWERS-Level The tool commonly used for testing the hardness of metal before cutting it with a hacksaw blade - ANSWERS-Carborundum stone Best type of saw to use to cut a 3-foot long, 2x6 down to a 3 foot long, 2x4 is a - ANSWERS-Rip saw The best tool to use to smooth the inside of the cut-off end of a pipe is a/a - ANSWERS-Reamer Which tool would most likely be used to repack a brick mortar joint - ANSWERS-Tuck pointer
Fig 38 (fig2) - ANSWERS-Sliding bevel Fig 59 (fig2) - ANSWERS-Saw set Fig 58 - ANSWERS-Flooring chisel Part of a drill press used to hold the drills is called the - ANSWERS-Chuck Which one is commonly used to make scratch marks on sheet metal? (Figure 2)
- ANSWERS-32 (scratch awl) A tri square is shown at number (fig1) - ANSWERS- 16 Craft worker that is most likely to use tool number 26 is a - ANSWERS- Bricklayer To make a wood screw flush with the wood surface, best tool to use is (fig1) - ANSWERS- 41 Which tool is commonly used in setting the head of number 34 (fig1) - ANSWERS- 39 A caliper is shown at number (fig1) - ANSWERS-D none of the above (ask) A plastering tool useful as a hand table in order to carry plaster is called a - ANSWERS-Hawk
The chief difference between trowels used for plastering and trowels used for cement fishing is that the plastering trowel is generally - ANSWERS-Lighter and bigger A tool used for plastering, consisting of a two handled float for finishing a - ANSWERS-Darby Combination, duckbill, and long nose are names used to identify - ANSWERS- Pliers The offset screwdriver is most suitable for - ANSWERS-Working in right corners The size of a chisel is determined by the - ANSWERS-Width When cutting pipe with a manually-operated pipe-cutter, the direction or directions the cutter should be rotated around the pipe - ANSWERS-Are both directions alternately The air receiver on an air compressor in daily use should be blown out - ANSWERS-Daily Traps are put in air compressor lines to - ANSWERS-Collect water For an air compressor, the terms 125 CFM, 250 CFM, 365 CFM, and 600 CFM commonly refer to - ANSWERS-Rate of compressed air produced
Which of the following is the most common cause of an over-heated gasoline engine? - ANSWERS-A leakage in the cooling systems If a vehicle has run out of gas and a gallon of gas has been placed in the empty tank, but the engine is I'll not start immediately, probably the - ANSWERS- Gasoline is out of the carburetor The main reason for putting a thimble in wire rope is to - ANSWERS-A. Lower wear and stress at a loop B. Split the strands C. Hold the rope while it is being socketed *D. Make the rope run through a block more easily Which direction should most nuts be turned to take them off their bold or screw
- ANSWERS-A. Clockwise B. Counterclockwise C. Either way, depending on the number of threads per inch Which of the following would most likely be used to keep a not attached on a bolt - ANSWERS-A. Cotter pin B. Set screw C. Handscrew clamp D. Copper washer Toggle bolts are best used for - ANSWERS-A. Holding wood to wood *B. Blind bolting where you cannot reach one side C. Holding girders which sometimes vibrates D. Holding soft materials where the heads of most bolts would pull through
The most common reason for using a turnbuckle is - ANSWERS-Adjust tension Caliper is - ANSWERS-a pinching instrument used for determining the thickness of objects or the distance between surfaces A short straight fitting with both ends threaded on the inside is best called a/an - ANSWERS-Coupling Vibrating concrete after it has been placed will make it - ANSWERS-Set tighter Uneven or warped lumber is most likely used in concrete forms for - ANSWERS-Braces Wood studs for concrete forms are usually at least what size? - ANSWERS- 2 inches x 4 inches When a concrete floor is poured, it is leveled off at the right thickness with - ANSWERS-Screeds If all the following steps are performed in replacing a broken window pane, which one should best be done after the other three? - ANSWERS-B. Place the glass in the sash, making sure it does absolutely flat In construction work, the term "full" refers to the - ANSWERS-Depth to which material is to be placed to bring the surface to a predetermined grade If concrete peels or sticks to forms during stripping, the most likely to cause is that - ANSWERS-The forms were not properly oiled
An offset is shown at number - ANSWERS- 1 The best solvent or thinner for varnish is usually - ANSWERS-Turpentine The best mother for preparing iron or steel girders for painting is by - ANSWERS-Wire bushing by hand A large paint brush is used one afternoon and is to be used in the same enamel paint again the next morning. In leaving this brush overnight, it would be best to
- ANSWERS-A. Wrap it tightly in paper without cleaning B. Leave it covered in a can of water C. Close it up in the paint can D. Wash it out in thinner After applying latex paints with a roller, the roller should be cleaned with - ANSWERS-A. Soap and water B. Alcohol or acetone C. Special toner cleaner D. Paint thinner 1349 2112 2189 1638 1614 3198
+3714 = - ANSWERS- 22874
Perform the indicated mathematical operations: $78.58 - $64.30 + 148.96 - $3.88 - $3.33 + $1.99 - ANSWERS-$128. If there are 15 bolts on a piece of equipment and your supervisor asks you to take out one-third of them, how many bolts would you take out? - ANSWERS- 5 Six yards is equal to how many inches - ANSWERS-216 inches The total of 17, 14, 16, 12 and 11 minus the total of 16, 11, 13, 15 and 10 is - ANSWERS- 5 The measurement in fig 1 is most nearly - ANSWERS-5 1/2 inches The measurement in figure 3 is most nearly - ANSWERS-6 3/8 inches The measurement in fig 4 is most nearly - ANSWERS-4 13/ The distance between arrow 1 and arrow M is most nearly - ANSWERS-4 1/ inches Among employees whose work includes handling heavy materials, the most common cause of injury is - ANSWERS-Improper lifting practices
According to good safety practices, gloves should not be worn around - ANSWERS-Drills, lathes and fast moving machinery If your truck goes into a skid you should - ANSWERS-Turn your steering wheel in the direction of the skid If the driver of a vehicle approaches a school bus stopped at a curb, the driver must stop and remain stopped at the rear of the bus for only as long as the - ANSWERS-Bus displays a flashing red light Rear electors on a passenger vehicle - ANSWERS-Should be kept clean as required by the vehicle code If you approach an intersection with a flashing red traffic signal, you should - ANSWERS-Stop as you would at a stop sign, then proceed through the intersection A vehicle may be parked in front of the fire hydrant if - ANSWERS-A licensed operator is seated in the front seat When the driver of a vehicle comes to a flashing yellow signal at an intersection the driver must - ANSWERS-Proceed cautiously On a two lane highway where passing is unsafe, the driver of a slow moving vehicle that is followed by five or more vehicles in line is required to - ANSWERS-Do nothing, as there is no law covering such a situation The shape of a school crossing sign is - ANSWERS-A pentagon, with point up
Stop signs have - ANSWERS-White letters on a red background Warning signs have - ANSWERS-Black letters on a yellow background You wish to ask a favor of another employee whom you do not know very well. The best way would be to - ANSWERS-Ask the employee briefly, stating your reasons In discussing a work problem with a supervisor of another unit, the most effective way to secure info if the supervisor rambles is to - ANSWERS-Tell the supervisor to be specific so you can tell what the supervisor wants You are late for work as a result of oversleeping. In this case, it would probably be best for you to - ANSWERS-Apologize and take the blame On several occasions, one of your co-workers has made unkind remarks about you to your supervisor. Of the following, the best course for you to take is to - ANSWERS-Write a letter of protest to your supervisor You are given an order, which you do not consider propers you should - ANSWERS-Prepare a report to your supervisor stating why the order was improper and why such orders should not be repeated The routine duties you are first assigned seem to you to be too simple. You are sure that you could perform much more responsible work. Under these circumstances you should - ANSWERS-Consider the performances of the duties assigned as an opportunity to familiarize yourself with important work details While performing your duties, a citizen stops you and begins to feel you about his/her experiences in work similar to yours. The best thing for you to do would
C. Phillips D. Spinite Which wrench would be best used on a round nut which has a series of notches cut in the outer edge - ANSWERS-A. Adjustable open end wrench B. Allen wrench C. Hook-spanner wrench D. Monkey wrench An "easy out" is also known as a - ANSWERS-A. Screw extractor B. Taper pin reamer C. Reversible twist drill D. Drift pin The Allen wrench is most likely o be used for tightening a/an - ANSWERS-A. Carriage bolts B. Machine bolts C. Phillips head screws *D. Set screws The best reason for not using slip-joint pliers for loosening or tightening nuts is that the - ANSWERS-A. But threads may become stripped B. Pliers may lock in place *C. Teeth will mar the nut D. Worker may skin a hand if the pliers slip
Which wrench is best to use for removing nuts where only a short pull of the wrench is possible? - ANSWERS-A. Adjustable (crescent) wrench B. Box end wrench C. A stillson wrench D. Allen wrench Which screwdriver bits would best drive a cross-slotted screw? - ANSWERS-A. Allen bit B. Phillips bit C. Standard bit D. Straight bit A hacksaw blade will break when - ANSWERS-A. Too much pressure is applied B. The saw is twisted C. The cutting speed is too fast D. Any one of the above is done Which tool in figure 2 is best used to remove cotter pin 9 in fig 1? - ANSWERS-A. C B. F C. P D. T Which tool shown in fig 2 is best used to check the depth of hole 5 in fig 1 - ANSWERS-A. A B. R C. S
