Jess
What is the key view in orthographic projection?
right side view
left side view
front view
top view
front view
Many orthographic drawings show only the:
front, top and left side views
top, right side and left side views
front, right side and left side views
front, top and right side views
front, top and right side views
An object or visible line is shown as:
a series of light dashes
a thin, fine line
a series of long dashes, separated by short dashes
a thick, dark line
a thick, dark line
A centre line is shown as:
a series of light dashes
a thick, dark line
a thin, fine line
a series of long dashes, separated by short dashes
a series of long dashes, separated by short dashes
A leader line terminates with a/an:
squiggle
dot
arrow
arrow, dot or squiggle
arrow, dot or squiggle
The standard lettering for a drawing is:
lower case italic
upper case italic
lower case gothic
upper case gothic
upper case gothic
The arrows on the ends of cutting plane lines are used to:
show the front view
show direction to view section
identify material used
identify removed sections only
show direction to view section
Which G code is used to specify the XY plane?
G17
G19
G20
G18
G17
Which G code is used to specify the YZ plane?
G18
G20
G17
G19
G19
The easiest way to specify the arc size in a circular interpolation command is with:
an R word
geometry offsets
directional vectors
tool nose radius compensation
an R word
What happens to a specimen if the stress is released before the yield point?
nothing
it remains permanently deformed
it snaps back to its original length
it breaks
it snaps back to its original length
What impact test uses a specimen that is held vertically?
Charpy
Leeb
Izod
Brinell
Izod
What type of metal is the Rockwell C scale best suited for?
unhardened steel
hardened steel
copper
aluminum
hardened steel
What type of indenter is used with the Rockwell B scale?
5 mm carbide ball
1/16 inch hardened steel ball
10 mm carbide
diamond brale
1/16 inch hardened steel ball
Which of these non-destructive tests can detect only surface cracks?
radiographic
liquid penetrant
ultrasound
magnetic particle
liquid penetrant
A turning center that has live tooling has a rotary device built into the spindle. What is the letter address used to specify the rotary axis?
Z
C
X
Y
C
Which G code must be specified prior to using canned cycle commands if the cutting tool is pointing along the Z axis?
G19
G30
G40
G18
G18
What kind of machining operation does polar coordinate interpolation allow?
Hole machining into faces, tool pointing along Z axis, with three-axis mill/turn machines.
Contour milling on faces, tool pointing along X axis, with three-axis mill/turn machines.
Hole machining into diameters, tool pointing along X axis, with three-axis mill/turn machines.
Contour milling on faces, tool pointing along Z axis, with three-axis mill/turn machines.
Contour milling on faces, tool pointing along Z axis, with three-axis mill/turn machines.
The primary benefit of a sliding headstock sub-spindle turning center is that it:
requires very little electricity.
does not require a bar feeder.
is smaller than a fixed headstock machine.
can produce workpieces having a length to diameter ratio that is not possible with fixed headstock machines.
can produce workpieces having a length to diameter ratio that is not possible with fixed headstock machines.
Which of the following gear pressure angles provide the most efficient transfer of power?
7.25 degree
20 degree
14.5 degree
25 degree
14.5 degree
What G code is used to specify rapid motion?
G03 or G3
G01 or G1
G02 or G2
G00 or G0
G00 or G0
What G code is used to specify linear interpolation?
G03 or G3
G01 or G1
G00 or G0
G02 or G2
G01 or G1
What G code is used to specify clockwise circular interpolation?
G02 or G2
G01 or G1
G03 or G3
G00 or G0
G02 or G2
What G code is used to specify counter-clockwise circular interpolation?
G00 or G0
G02 or G2
G01 or G1
G03 or G3
G03 or G3
The easiest way to specify the arc size in a circular interpolation command is with:
directional vectors
an R word
cutter radius compensation
fixture offsets
an R word