SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Introduction To Engineering
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Usually - the steel rod in a pre- stressed concrete beam will put the concrete in ____. The load will have to overcome this initial force.
Mechanical advantage
Strong anchorages
Compression at the bottom
Sensing systems
2. The _______ of structural components is more important than the type of material from which they are made
Microprocessor
Two story building
Beam - arch - and suspension
Shape
3. Two wheels that intermest at an angle to change the direction of rotation - also altering speed and force if necessary
Gears
Bevel gears
Bending moment or lever arm
Up
4. How can an ultrasonic sensor measure movement and distance?
the permanent loads on a structure
Sending a sound out and monitoring the echo
Design brief
James Watt
5. The weight of the obect being moved
Pulley
3000 feet
Resistance
Compression at the bottom
6. When a horizontal beam bends downward - the top surface is in ______ and the bottom surface is in ______.
Axes
Compression - tension
Overflows of the Nile
Horizontal braces
7. Seeks to explain and describe the physical world
Science
Overflows of the Nile
Send out a light signal
Lever
8. More than one pulley working together
Guard rails
Block and tackle
The growth of Christianity
Cloud chamber
9. Provides a structure for thinking and doing
Resistance
The belief that nature has general laws of behavior which can be described by words
Block and tackle
Design loop
10. Surplus food led to all of the following except:
Pushing
Movable pulley
Time and angles
Irrigation
11. The downward bending of the cantilever part of the beam makes the beam in the adjoining bay bend...
The problem solving process
Up
Beam
Low technology robots
12. What type of bridge sags in the middle but hogs at both ends?
A cantilever bridge
increasing the area over which the force acts
Beam
Timers - cams - electrical stops - and mechanical stops
13. Models that function and look like the finished product but are usually hand- built
Microprocessor
Ramp
Prototypes
Aqueducts
14. What was the forerunner of the robot?
Arch
Bus
Hard automation
designing the structure to be stronger than the anticipated need
15. A lever in which the fulcrum is at one end - and the effort is at the other end
Equilibrium
Sensing systems
First- class levers
Second- class lever
16. Magnet - vaccuum - and hand are types of robot __________.
Generate many alternative solutions
Chain hoist
Grippers
Bascule
17. Bridges like me are usually made from two beams - each supported by one pier
Cantilever
Problems
Generate many alternative solutions
To do jobs that would be boring to people
18. What type of arch bridge did the Romans build? (They were made from stone with the road on top of the arch)
The deck arch
Aqueducts
add a diagonal member
Width of the beam
19. Which of the following are two advantages of using robotics technology?
Suspension
Reduced labor costs and predictable output
Rotational - vertical - and horizontal
the amount of force trying to push or pull a material apart
20. The group of people responsible for developing the arch bridge
Romans
Effort
Taller
Nylon
21. The most important factor in determining the strength of a beam is...
Compression at the bottom
Its depth
Fulcrum
Modify your design ideas and choose another alternative
22. The force that has the most impact in arch bridges
Overflows of the Nile
Low technology robots
Compression
Beam bridge
23. Which of the following is not a robot arm movement?
How far it can reach
Yaw
True
A waist twisting
24. The downward forces acting on a bridge are...
Span
Gravity - weight - load
XYZ
Laser rod
25. Torsion is best described as...
True
Specifications
Block and tackle
Twisting
26. Who was the first to conclude that the Earth is a giant magnet?
Prototypes
Stone - concrete - or steel
Up and down
William Gilbert
27. Suspension bridges usually have the longest single span of all bridges
Actuators
Design brief
True
Horsepower
28. What factors determine the weight if a structure?
All gears are shaped like wheels with straight teeth that mesh with other wheels with straight teeth
Size - shape - and type of material
Keystone
Design loop
29. What type of robot arm is able to move in three different dimensions and has a cube- shaped working envelope/
Microcomputer
XYZ
Irrigation
Ends
30. The force (push or pull) used to do work
Axes
Tip over
Effort
High technology robots
31. Measured in newtons per square inch - ______ is the intensity of the forces trying to push or pull a solid material apart
Technology
Resistance
Stress
Foot- pounds
32. What was the 'first great man - made trigger of change?'
The wheel and axle
Plow
Kinetic energy
Invention
33. The strength of my design lies in the use of triangles
Truss
Compression - tension - shear - torsion - and bending
Beam
Pulley
34. In what field did Denis Papin and Thomas Newcomen perform early research?
The deck arch
Steam engines
Gripper
Decreases the effort needed to move a load - transfers speed or force - and changes the direction of the effort applied
35. Distance between the piers
Potential energy
Gears
Span
Horizontal braces
36. The top - center stone that all other stones in the arch bridge lean on - or push against - for support
256
Heavy
Lever
Keystone
37. On a high- tech robot the controller is what device?
Microprocessor
Microcomputer
Following white lines on the floor
Steel reinforced concrete
38. What is the name for the devices that make the manipulators move?
Suspension
How much a material has changed its shape
Actuators
First- class levers
39. What was mostly responsible for the decline of the Egyptian civilization?
The lack of pressure to continue development
Read only memory
It didn't always point at the North Star
Lever
40. Two gear wheels that intermesh in the same plane - regulating the speed or force of motion and reversing its direction
Heavy
Design loop
Beam
Spur gears
41. Force times distance
Read only memory
Problems
Work
Up and down
42. Which memory can be changed by the computer user - allowing for temporary storage of information?
Memory addresses
Brainstorming
Random access memory
Put your ideas - designs - and calculations on paper
43. The robot's wrist can sometimes move in two dimensions. What are they?
Ends
Chemistry
Specifications
Bend and rotation
44. When compared to a beam - the truss has the advantage of being...
Sliding
Effort
lever
More resistant to shear - light - and strong
45. What is the advantage of using a gate in tension instead of in compression?
The structure will be lighter
Bell Laboratories
Triangular lateen sail
Two story building
46. What is the name of the temperature sensing device that checks how hard it is for power to flow through the device?
Bending and shearing
Beam
Functional models
Resistive sensor
47. What is the name of the temperature sensing device that is similar to a car's turn signal flasher?
Bimetallic sensor
Rankine and Kelvin
Arch
A small degree of flexibility
48. Robots are often used in factories instead of people because they
Can perform tasks more accurately and efficiently than people - can be programmed to do a variety of jobs - and never need holidays - sleep or meal breaks
increasing the area over which the force acts
Specifications
Ergonomics
49. The robot's column rotation axis is similar to what movement on the human body?
Bend and rotation
Solutions
A waist twisting
Screw
50. A fixed wheel with a rope or chain that is attached to a load - used to change the direction of a force or to lift heavy objects - is a
Optoelectronic sensor
Strong anchorages
Pulley
Problems