問題一覧
1
Iron based alloy containing 9-16% chromium
Stainless Steel
2
Shafting up to 3 inches in diameter is usually made from cold rolled steel and the common biggest diameter of cold rolled steel is ____.
5 inches
3
The differential of the shear equation is which one of the following?
Load on the beam
4
Distance measured perpendicular to the axis between the crest of the thread and the root of its mating thread in a thread assembly of screws
Crest Clearance
5
Percentage of cut on the return stroke of hacksaw blade is
0%
6
Which of the following is not a viscoelastic material?
Metal
7
The material that can cut/wear hardest substance subjected to:
Abrasive
8
How do you call the process of producing components by compacting and melting of plastic material and continuously forcing it through an orifice hole?
Extrusion
9
It is ideal for maximum quietness in sprockets drive operation to choose ______ or more teeth.
27
10
A vertically loaded beam, fixed at one end and is supported at the other is indeterminate to what degree?
Second
11
It is rigid piece which serves to transmit force from a piece another piece or to cause/ control motion.
Link
12
Aside from oxygen, what is the other commonly used gas in gas welding?
Acetylene
13
In general, what are the effects of cold-working a metal?
decrease strength and ductility
14
Cast iron flywheels are only designed with factor of safety of
10 to 13
15
Modulus of Resilience is _________.
a measure of a material's ability to store strain energy
16
A thin walled pressurized vessel consists of a right circular cylinder with flat ends. Midway between the ends the stress is greatest in what direction?
Circumferential
17
For acceptable ideal range of tightness which may result from the application of specific combination of allowances and tolerances
Fit
18
In a chain drive design for large speed reduction it is preferable to use a double reduction or compound type of transmission instead of single two sprockets transmission. Drives should type be so designed that the angle between two tight chain strand does not exceed how many degrees?
45
19
Of the following materials below, which of these is most widely used for die casting?
Zinc
20
The distance between rivet center nearest each other in adjacent rows is called ____.
Diagonal Pitch
21
Which of the following is considered a major alloy in tool steel?
Cr
22
Which of the following phases of steel has a face-centered cubic structure?
Austenite
23
The width of a tooth space exceeds the thickness of each of the engaging tooth on the pitch circle.
Backlash
24
How do you call the welding made along the edges of two parallel plates?
Edge Joint