問題一覧
1
What is the combination of applied normal and shear stresses that produces maximum principal normal stress or minimum principal normal stress, with a third principal stress between or equivalent to the extremes
Principal Normal Stress
2
It is a correction factor used to account for the nonuniform stress distributions.
Stress Concentration Factor
3
Which of the following is a special type of nickel that is corrosion resistant and has high ductility and heat resistance?
Low-Carbon Nickel
4
Which of the following is a form of an inclined plane?
Screw
5
What us the other term for Maximum Shear Stress Theory, as a failure prediction theory?
Tresca Yield Criterion
6
For kinematic chain to be considered mechanism
One link should be fixed
7
For a 4-bar linkage in toggle position, the value of mechanical advantage is
Infinity
8
A kinematic chain needs a minimum:
4 links and 4 turning pairs
9
The toral permissible Variation in the size of dimension: the difference between the limits of size.
Tolerance
10
The instantaneous center rotation of a rigid thin disc rolling without slip on plane rigid surface is located at
the point of contact
11
Which of the following predicts the failure stress reasonably well for brittle materials under static biaxial loading?
Maximum Normal Stress Theory
12
In gramaphones for adjusting the speed of the tum-table, what type of governor is commonly used?
Pickering Type
13
The maximum stress to which a material can be subjected without a trace of any permanent set remaining upon a complete withdrawal of the stress.
Elastic Limit
14
Which of the following steel with 0.3%-0.47% mean carbon content and has low hardenability?
SAE 1335
15
In the absence of friction, a simple machine is an ideal machine if the efficiency is..
1
16
Fatigue Failure Occurs when a part is subjected to:
Flactuating Stress
17
Ackermann steering gear is made up of
Turning Pairs
18
What is the ideal mechanical advantage of a machine that changes only the direction of the input force
1
19
The total deformation measured in the direction of the line of stress
Strain
20
The motion of a shaft in a circular hole is an example of ___ motion.
Incompletely Constraint