E2_51-100 Flashcards
- A square foot of steel plate 1/8” thick weighs 5 pounds. The weight of a steel plate 10 feet long and 4 feet wide would be how much?
A. 200 lbs
B. 20 lbs
C. 2000 lbs
D. 20,000 lbs
A. 200 lbs
- Cast iron weighs 640 pounds per cubic foot. How much is the weight of a cast iron block 14” x 12” x 18”?
A. 1200 lbs
B. 1120 lbs
C. 1000 lbs
D. 1088 lbs
B. 1120 lbs
- A tank 28” in diameter and 14” high is filled with water. The total pressure on the bottom of the tank is:
A. 3741 lbs
B. 2573 lbs
C. 4257 lbs
D. 3000 lbs
A. 3741 lbs
- A double-bottom tank is 18” wide 24” long and 4” deep. It is filled with fresh water. The total capacity in tons is:
A. 50
B. 55
C. 48
D. 45
C. 48
- Sheet metal of # 18 gage is heavier than:
A. 12 gage
B. 22 gage
C. 14 gage
D. 16 gage
B. 22 gage
- What is the use of shims?
A. Separate fresh and salt-water lines
B. Replace fuses
C. Adjust cylinder liners
D. Adjust bearing clearances
D. Adjust bearing clearances
- How do you call the process used to retard corrosion (rust) on iron pipe and fitting?
A. Tinning
B. Galvanizing
C. Soldering
D. Sulphurizing
B. Galvanizing
- In pipe fittings, the term “offset” refers to what?
A. A cut off running at right angles to the original piping
B. Two pipes running parallel to each other
C. A bend in the pipe
D. Two size of pipe in the same run
C. A bend in the pipe
- In machine shop, if the lips of a drill are of different lengths then which of the following will likely to happen?
A. The drill will not cut
B. The hole will be larger than the drill
C. The hole will be smaller than the drill
D. None of these will happen
B. The hole will be larger than the drill
- Which of the following statement(s) is correct for the “brazed joint”?
A. Stronger than a soldered joint
B. Weaker than a soldered joint
C. The same strength as a soldered joint
D. Three times as strong as a soldered joint
A. Stronger than a soldered joint
- In ________ type shaper, the reciprocating movement of the arm is effected by means of a rack and pinion.
A. Gear
B. Thread
C. Screw
D. Bolt
A. Gear
- In hydraulic shaper the reciprocating movement of the ram is obtained through ___ pressure.
A. Mercury
B. Oil
C. Water
D. Alcohol
B. Oil
- A job, which is fixed away from the table, can be machined by
A. Running head
B. Moving head
C. Travelling head
D. Static head
C. Travelling head
- The stroke positioning lever is located on the ________ of shaper.
A. Lever
B. Table
C. Ram
D. Chunk
C. Ram
- The length of a shaper stroke is the length of job plus ______.
A. Displacement
B. Tolerance
C. Allowance
D. Clearance
D. Clearance
- Rocker arm is a _______ part of shaper.
A. Oscillating
B. Reciprocating
C. Moving
D. Running
A. Oscillating
- In a shaper, the ______ strokes takes place.
A. Backward
B. Forward
C. Return
D. Cutting
D. Cutting
- In shaper, the tool is fed at the end of _______ stroke .
A. Cutting
B. Return
C. Backward
D. Forward
B. Return
- Generally, shaper tool cuts metal on the ____ strokes.
A. Backward
B. Cutting
C. Forward
D. Return
C. Forward
- Generally, shaper is used for machining ______ surfaces.
A. Curve
B. Flat
C. Rough
D. Smooth
B. Flat
- Brazing requires which of the following?
A. Hard solder
B. More heat
C. Soft solder
D. A and B
D. A and B
72 What is/are the primary reason(s) why lead is used in solder?
A. It has a high melting
B. It is cheap
C. It has low melting
D. B and C
D. B and C
- What is the name of the taper shank used on drills?
A. Miller
B. Starrett
C. Morse
D. Stanley
C. Morse
- What is the effect if the melting point of solder is very high?
A. Weaker than the solder joint
B. Stronger than the solder joint
C. Softer than the solder joint
D. Harder than the solder joint
B. Stronger than the solder joint
- Which of the following will likely happen if the angle on a drill is less than 59 degrees?
A. The drill will make a larger hole
B. The drill will make a smaller hole
C. The hole will take longer to drill and more power id\s required to drive the drill
D. The drill will not center properly
C. The hole will take longer to drill and more power id\s required to drive the drill
- What is/are the reason(s) of soda being added to water and is used for cooling instead of plain water?
A. It reduces the amount of heat generated
B. It improves the finish
C. It overcomes rusting
D. All of these
D. All of these
- What will likely happen if the drill’s speed is too high?
A. Cut faster
B. Cut slower
C. Lose is temper
D. Not cut
C. Lose is temper
- The lip clearance of a drill should be approximately how many degrees?
A. 20 deg – 25 deg
B. 12 deg – 15 deg
C. 5 deg – 10 deg
D. 15 deg – 20 deg
B. 12 deg – 15 deg
- If the cutting edges of a drill are cut at different angles:
A. The drill will not cut
B. The hole will be larger than the drill
C. The hole will be smaller than the drill
D. None of these
B. The hole will be larger than the drill
- What is the correct cutting angle on a drill for ordinary work?
A. 45 deg
B. 59 deg
C. 50 deg
D. 65 deg
B. 59 deg
- Shaper tools are made of
A. Mild steel
B. Cast iron
C. High speed steel
D. Wrought iron
C. High speed steel
- For machining cast iron in shaper, the tool is ground with _____ rake angle.
A. Negative
B. Positive
C. 300
D. 450
A. Negative
- Which of the following best describe a milling machine?
A. It is a machine equipment
B. It is a machine tool
C. It is a machine device
D. It is a machine apparatus
B. It is a machine tool
- The quick return mechanism is slotter is provided in order to save the time in ____ stroke.
A. Backward
B. Forward
C. Cutting
D. Return
D. Return
- An arbor is used to ____ and drive the milling cutter.
A. Guide
B. Hold
C. Control
D. Support
B. Hold
- A puncher slotter is used for ______ stock removal.
A. Light
B. Heavy
C. Small
D. Large
B. Heavy
- Snagging is the form of _____ grinding.
A. Hard
B. Rough
C. Soft
D. Smooth
B. Rough
- Carbide and ceramic tools are ground on ________ grinding wheel.
A. Fine grain
B. Hard
C. Soft
D. Diamond
D. Diamond
- The term _______ means that particle of metal are adhering to the cutting faces of the grinding wheel.
A. Loading
B. Feeding
C. Rating
D. Grinding
A. Loading
- In _____ jaw chuck each jaw can be adjusted independently.
A. Five
B. Two
C. Three
D. Four
D. Four
- A piece of stock 8” long is 4” diameter on one end and 1” diameter on the other end. The taper foot is:
A. 4”
B. 4 – ¼”
C. 4 – ½”
D. 4 – 1/16”
C. 4 – ½”
- A piece of stock 8” long is 3” diameter at one end and 1- ½” diameter at the other end. The taper per inch is:
A. ½”
B. 3/16”
C. ¾”
D. 5/16”
B. 3/16”
- A piece of stock 6” long is 2” diameter at one end and is cut with taper of ½” to the foot. The diameter of the smaller end will be:
A. 1 – ½”
B. 1 – ¼”
C. 1 – ¾”
D. 2”
C. 1 – ¾”
- If a piston ring is to be made 1/64” larger in diameter per inch diameter of the cylinder which it is to fit, the required diameter for a piston ring to fit an 8” cylinder will be:
A. 8 – ¼”
B. 8 – 3/16”
C. 8 – 1/8”
D. 8 – 5/32”
C. 8 – 1/8”
- What is the reason why drill “squeal’s” when cutting?
A. Drill being ground improperly
B. Insufficient lubrication
C. Drill being too hot
D. Any of these
D. Any of these
- In what operation where “center drilling” is to be found?
A. Drilling a center in an odd-shaped piece of metal
B. Drilling and countersinking with one tool
C. Centering with one tool and drilling with another
D. Drilling a center in a piece of stock in a drill press
B. Drilling and countersinking with one tool
- Which of the following defines “pitch” in threads?
A. The distance of the full length of the thread
B. The distance from a point on one thread to a corresponding point on the next thread measured parallel to the axis
C. The distance from the top of one thread to the bottom of the next thread
D. The distance from the bottom to the first thread
B. The distance from a point on one thread to a corresponding point on thenext thread measured parallel to the axis
- A tool bit for cutting an American National thread should be ground with what angle?
A. 450
B. 600
C. 900
D. 300
B. 600
- An approximate safe rule for cutting new pistons for steam pumps is to allow:
A. 0.002” between piston and cylinder for each inch diameter of piston
B. 0.001” between piston and cylinder for each inch diameter of piston
C. 0.010” between piston and cylinder for each inch diameter of piston
D. 0.0001” between piston and cylinder for each inch diameter of piston
B. 0.001” between piston and cylinder for each inch diameter of piston
- An approximate safe rule for cutting new piston rings for steam pumps is to make the ring:
A. 1/32” larger in diameter per inch diameter of cylinder
B. 1/16” larger in diameter than that of the cylinder
C. 1/16” larger in diameter per inch diameter of cylinder
D. 0.005” larger in diameter per inch diameter of cylinder
C. 1/16” larger in diameter per inch diameter of cylinder
