Mechatronics Mechanical Aptitude Test

1.

Multiple Choice

15 mins

1 pt

What is the load on a dc motor?

The field current

The armature current

The mechanical device the motor moves

The total current drawn from the source

2.

Multiple Choice

15 mins

1 pt

How can the direction of rotation be changed in a dc motor?

Only by reversing the field connections

Only by reversing the armature connections

By reversing both the armature connections and the field connections

By reversing either the armature connections or the field connections

3.

Multiple Choice

15 mins

1 pt

Which of the following is not a part of a motor?

Stator

Rotor

Yoke

None of the above

4.

Multiple Choice

15 mins

1 pt

Which of the following bolts are stronger?

Grade 2

Grade 5

Grade 8

None of the above

5.

Multiple Choice

15 mins

1 pt

Which of the following is a common type of vise used for mechanical work?

pipe vise

bench vise

machine vise

All of the above

6.

Multiple Choice

15 mins

1 pt

Mallet heads are constructed from which of the following materials?

Brass only

Plastics only

Rubber only

Brass, plastics, and rubber

7.

Multiple Choice

15 mins

1 pt

What is the prime characteristic of aluminum?

Lightweight

Low melting point

Ease of fabrication

Corrosion-resistant properties

8.

Multiple Choice

15 mins

1 pt

If bar Y moves at a constant speed to the left, how does bar X move?

Left, Faster

Left, Same

Right, Same

Right, Slower

9.

Multiple Choice

15 mins

1 pt

If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?

Counterclockwise Faster

Clockwise Slower

Clockwise Faster

Counterclockwise Same

10.

Multiple Choice

15 mins

1 pt

If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?

Counterclockwise faster

Clockwise faster

Counterclockwise same

Clockwise same

11.

Multiple Choice

15 mins

1 pt

In the circuit shown, how many switches need to be closed to light up one bulb?

One

Two

Three

None

12.

Multiple Choice

15 mins

1 pt

Which tool is most suitable for breaking up concrete?

One

Two

Three

Four

13.

Multiple Choice

15 mins

1 pt

Which combination of tools would be most useful for general woodworking?

4 and 2

3, 5, and 7

2, 4 and 6

4 and 7

14.

Multiple Choice

15 mins

1 pt

If bulb 1 is removed, how many bulbs will light up when the switch is closed?

One

Two

Three

Four

15.

Multiple Choice

15 mins

1 pt

Approximately how much force is needed to move the weight?

9 lbs

18 lbs

6 lbs

24 lbs

16.

Multiple Choice

15 mins

1 pt

How far does B need to move to lift the weight up 6 feet?

3 ft

6 ft

12 ft

8 ft

17.

Multiple Choice

15 mins

1 pt

If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?

Counterclockwise faster

Clockwise faster

Counterclockwise same

Clockwise same

18.

Multiple Choice

15 mins

1 pt

If drive wheel X rotates clockwise at a speed of 10 rpms, how does wheel Y turn?

Counterclockwise faster

Clockwise slower

Clockwise faster

Counterclockwise slower

19.

Multiple Choice

15 mins

1 pt

What metal property allows a metal to carry heat or electricity?

Ductility

Fusibility

Conductivity

Malleability

20.

Multiple Choice

15 mins

1 pt

What metal property allows a metal to be hammered, rolled, or pressed into various shapes without cracking or breaking?

Brittleness

Malleability

Ductility

Elasticity

21.

Multiple Choice

15 mins

1 pt

What is the principal element added to copper to form brass?

Tin

Lead

Zinc

Aluminum

22.

Multiple Choice

15 mins

1 pt

What device is designed to disconnect the engine from the power train?

Universal joint

Transfer case

Clutch

Differential

23.

Multiple Choice

15 mins

1 pt

What is the primary goal of any safety program?

To place safety violators on report

To enhance operational readiness

To eliminate all accidents

To predict all accidents

24.

Multiple Choice

15 mins

1 pt

What is the primary purpose of a mishap investigation?

To determine fault

To determine replacement cost

To determine the effects on operational readiness

To determine the causes and prevent recurrences

25.

Multiple Choice

15 mins

1 pt

An internal combustion engine is a machine that

uses heat to create mechanical energy

converts heat energy to mechanical energy

converts mechanical energy to heat energy

use mechanical energy to create heat

26.

Multiple Choice

15 mins

1 pt

What type of information is contained in Material Safety Data Sheets?

Material supply codes

Information about hazardous material

Material transfer dates

The age of the materials

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