問題一覧
1
Which of the following predicts the failure stress reasonably well for brittle materials under static biaxial loading?
Maximum Normal Stress Theory
2
In the absence of friction, a simple machine is an ideal machine if the efficiency is..
1
3
Which of the following is a form of an inclined plane?
Screw
4
What is the ideal mechanical advantage of a machine that changes only the direction of the input force
1
5
Ackermann steering gear is made up of
Turning Pairs
6
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
7
What us the other term for Maximum Shear Stress Theory, as a failure prediction theory?
Tresca Yield Criterion
8
For kinematic chain to be considered mechanism
One link should be fixed
9
The motion of a shaft in a circular hole is an example of ___ motion.
Incompletely Constraint
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
It is a correction factor used to account for the nonuniform stress distributions.
Stress Concentration Factor
12
Fatigue Failure Occurs when a part is subjected to:
Flactuating Stress
13
A kinematic chain needs a minimum:
4 links and 4 turning pairs
14
The toral permissible Variation in the size of dimension: the difference between the limits of size.
Tolerance
15
The total deformation measured in the direction of the line of stress
Strain
16
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
17
Which of the following steel with 0.3%-0.47% mean carbon content and has low hardenability?
SAE 1335
18
Which of the following is a special type of nickel that is corrosion resistant and has high ductility and heat resistance?
Low-Carbon Nickel
19
In gramaphones for adjusting the speed of the tum-table, what type of governor is commonly used?
Pickering Type
20
For a 4-bar linkage in toggle position, the value of mechanical advantage is
Infinity