Exam Bank / Pt.2 Flashcards
Which of the following is in a class D division 2 in Whimis?
a) Dangerous Reactive Material
b) Poisonous and Infectious material with other toxic effects
b) Poisonous and Infectious materiall with other toxic effects
When referring to common CNC programming structures a STATUS BLOCK is?
a) The first block of program code that sets the conditions for the program
b) A program block that gives feedback to the operator
a) The first block of program code that sets the conditons for the program.
What type of square would be used to check the squareness of cavities and openings?
- Die Square makers
When fibre rope is hitched the strength of the rope is reduced by?
- 25%
When referring to common CNC Programming structures which of the following is an example of a CNC preparator code?
a) G09
b) M04
c) T05
d) S1500
- G09
( Exact check Stop - Non-modal )
The steel ruler that has graduations on one edge only is the…?
- Narrow Rule
The most popular synthetic rope in industrial use is…?
- Polypropylene
When changing the blade on a hacksaw it should be installed so the cutting edge takes place on the ______ stroke.
- Push
With machine screws each number size increases the major diameter by ___ inch.
a) .013”
b) .042”
c) .060”
d) .073”
- .013 “
Most manufactureres agree that the ideal hydraulic reservoir size should be between 2 and ____ times the amount of oil the pump can move in one minute.
- 3 times
When completing graduations, what should be the included angle be?
- 60 degrees
In an indexing machine with a compound gear train, how many idlers are required for a positive rotation?
- 2 idlers.
Using the ANSI system of grading carbides which of the following would be used for producing a finishing grade on cast iron?
- c3
Which of the following would be a reason to cut a groove in a workpiece?
a) Relieve strain at the shoulder
b) To allow a nut to tighten against a shoulder
c) To provide a seat for an o-ring
d) All of the above
d) All of the above
On a wide range dividing head turning the small crank, one complete turn will rotate the large crank by how much?
- 1/100 of a turn
Which of the following is best describes a micro set adjustable center?
a) It uses an eccentric or dovetail
b) It turns with the headstock spindle
- a) It uses an eccentric or dovetail
How is pressure calculated?
- Force / Area
When looking at a face milling cutter the angle between the face of the insert and the radius of the cutter is called?
- Radial rake angle.
What type of material is used to make bearings that are used on low speeds and light loads and requires large clearances?
- Cast Iron
Which part of a vertical boring mill serves the same purpose as the cross slide of a lathe?
- The saddle
Which type of contact used between a worm and a worm gear is the weakest type of drive?
a) Plain ( point contact )
b) Single enveloping ( line contact )
- Single enveloping ( line contact )
On a standard two axis machine with a programmable tailstock the _____- axis is used to identify the tailstock movement.
- Z-axis
Which of the following is true with respects to hydraulic systems?
a) Power can be transmitted efficiently
b) The fluid is not flammable
a) Power can be transmitted efficiently
What is the largest diameter a machine screw available?
- 1 inch
