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AFNR WebXam Review #2

Total questions: 56

Worksheet time: 29mins

Name
Class
Date
1.

Risk management is just about reducing injuries and deaths of people

a)

True

b)

False

2.

Examples of biological hazards include?

a)

Bacteria and viruses

b)

Micro-organisms and insects

c)

Plants and animals

d)

Covid-19

3.

What is GHS in chemical hazards?

a)

Global Health System

b)

Globally Harmonised System

c)

Germany Hungary Spain

d)

Go Home Soon

4.

Sandals are permitted during laboratory experiments.

a)

True

b)

False

5.

Three main rules when working with open flames

a)

tie back long hair

b)

wear gloves

c)

wear goggles

d)

secure loose clothing

6.

If chemicals comes in contact with your skin or eyes, you should rinse the area water for ___________ minutes.

a)

10

b)

5

c)

15

d)

2

7.

Unused chemical should be returned to original containers.

a)

True

b)

False

8.

Always pour acid into water

a)

True

b)

False

9.

What is the validity period of SDS?

a)

3 years

b)

5 years

c)

2 Years

d)

1 year

10.

Materials handling definition contains the following except:

a)

Movement

b)

Storage

c)

Control

d)

Security

11.

Who and what is OSHA?

a)

Office and Social Help Administration

b)

Occupational Safety & Health Administration

c)

Office Supply and Heath Administration

d)

none of the above

12.

Why was OSHA created?

a)

To prevent fire hazards in the workplace.

b)

To help employers and employees reduce workplace injuries and deaths.

c)

To help reduce the spread of viruses.

d)

none of the above.

13.

What are SDS's?

a)

Symptom Data Sheets

b)

Safety Data Standards

c)

Safety Data Sheet

d)

none of the above.

14.

What are the basic building blocks of DNA and RNA?

a)

ribose

b)

purines

c)

nucleotides

d)

phosphorus

15.

With what does synthesis of a new strand of DNA begin?

a)

RNA primer

b)

nucleotide unit

c)

messenger RNA

d)

transfer RNA

16.

It is the three-code in DNA or mRNA strand.

a)

introns

b)

exons

c)

codons

d)

translation

17.

DAN replication occurs during what stage of the cell cycle?

a)

Mitosis

b)

G2 stage

c)

S or synthesis stage

d)

G1

18.

Arrange the step in DNA replication in order


a)

1

1.

replication fork formation or unzipping

b)

2

2.

primer binding

c)

3

3.

elongation

d)

4

4.

termination

19.

A process of turning genes on and off.

a)

gene mutation

b)

gene regulation

c)

gene process

d)

gene replication

20.

A permanent change in one or more genes

a)

gene mutation

b)

gene regulation

c)

gene process

d)

gene replication

21.

The sequencing, analysis, cutting and pasting of DNA

a)

gene regulation

b)

DNA technology

c)

mutations

d)

replications

22.

Why DNA technology important?

a)

Allows the manipulation of DNA to create new genetically modified organisms

b)

Maintain DNA in an organisms and make structure stable

c)

Create new type of viruses and medicines to control DNA

d)

To isolate DNA in a laboratory

23.
Which of the following statements are true?
a)
All microorganisms are bad
b)
All microorganisms are good
c)
Some microorganisms are harmful, while some can be helpful
d)
Microorganisms are too small to do anything to anyone
24.

Culture media: nutrient material prepared for bacterial growth in the laboratory. Which one is not a requirement for culture media?

a)

must be sterile

b)

must contain appropriate nutrient

c)

must be incubated at appropriate temperature and pH

d)

It must be incubated in dark environment

25.

Liquid media is called

a)

agar

b)

broth

26.

Which is essential for a cell's growth?

a)

Aseptic lab

b)

Growth media

c)

Skilled technician

d)

All the above

27.

This is the practice of inserting the DNA of another species into an organism's DNA so that the organism gains a new trait.

a)

Cloning

b)

Gel Electrophoresis

c)

Genetic Engineering

d)

DNA Fingerprinting

28.
a)

Abrasive Chop Saw

b)

Portable Hammer Drill

c)

Concrete Float

d)

Expansion Shield

29.
a)

Portable Saw

b)

Portable Sawzall

c)

Portable Hammer Drill

d)

Engineers Hammer

30.

Name this tool

a)

Circular Saw

b)

Band Saw

c)

Table Saw

d)

Scroll Saw

31.

Name this tool.

a)

Miter Saw

b)

Table Saw

c)

Jointer

d)

Band Saw

32.

Name this tool.

a)

Drill Press

b)

Table Saw

c)

Jointer

d)

Miter Saw

33.

What is the function of this machine?

a)

Sand one Edge

b)

Curved cuts

c)

Cross cut, bevel cut, angle cut

d)

Rip cut

34.

The function of this machine is...

a)

Sanding

b)

Mitered Cuts, and beveled cuts

c)

Straight cuts, curved cuts, and resawing

d)

Jointing one edge

35.

Name this tool.

a)

Sander

b)

Drill

c)

Drill Press

d)

Jointer

36.

What is the function of this machine?

a)

Drill holes into the material

b)

Sand the material

c)

Smooth one surface

d)

Joint two boards together

37.

What is this tool called?

a)

Table Saw

b)

Jig Saw

c)

Miter Saw

d)

Circular Saw

e)

Band Saw

38.

What is this tool called?

a)

Table Saw

b)

Jig Saw

c)

Miter Saw

d)

Circular Saw

e)

Band Saw

39.

What is this tool called?

a)

Table Saw

b)

Jig Saw

c)

Miter Saw

d)

Circular Saw

e)

Band Saw

40.

Name this fastening tool

a)

Crescent Wrench

b)

Hammer

c)

Socket Wrench

d)

Rubber Mallet

e)

Drill

41.

Name this fastening tool

a)

Crescent Wrench

b)

Hammer

c)

Socket Wrench

d)

Rubber Mallet

e)

Drill

42.

Name this fastening tool

a)

Crescent Wrench

b)

Hammer

c)

Socket Wrench

d)

Rubber Mallet

e)

Drill

43.

Name this fastening tool

a)

Crescent Wrench

b)

Hammer

c)

Socket Wrench

d)

Rubber Mallet

e)

Drill

44.

a)

Open End Wrench

b)

Pipe Wrench

c)

Regular Socket

d)

C Clamp

45.

a)

Pipe Wrench

b)

Open End Wrench

c)

Adjustable Wrench

d)

Drill Press Vise

46.

a)

Combination Wrench

b)

C Clamp

c)

Adjustable Wrench

d)

Regular Wrench

47.

a)

Combination square

b)

Try Square

c)

Level

d)

Chalk line reel

48.

a)

Level

b)

Try Square

c)

Chalk line reel

d)

Hacksaw

49.

In internal combustion engines, each cylinder contains a...

a)

shaft

b)

piston

c)

chamber

d)

camshaft

50.

The combustion of fuel is produced in enclosed, sealed spaces called....

a)

fuel injectors

b)

combustion chambers

c)

spark plugs

d)

piston cylinders

51.

In a four stroke engine, gasoline must be mixed with the correct amount of _____________.

a)

Water

b)

Oil

c)

Carbon dioxide

d)

Air

52.

A _________ is the full travel of the piston, in either direction.

a)

revolution

b)

turn

c)

cycle

d)

stroke

53.

A(n) _____ is a device that changes the chemical energy in fuel to mechanical energy.

a)

camshaft

b)

piston

c)

engine

d)

cylinder

54.

Match the following

a)

The bore in which a piston travels

1.

Cylinder

b)

An engine part that slides back and forth in a cylinder

2.

Piston

c)

An engine part that links a piston to the crankshaft

3.

Connecting rod

d)

An engine part that converts reciprocating motion created by the engine pistons to rotating motion

4.

Crankshaft

55.

Four-stroke engines are commonly installed on handheld power equipment due to their smaller size and reduced weight.

a)

True

b)

False

56.

Which engine type requires oil to be mixed into gas

a)

Single cylinder

b)

Two stroke engines

c)

Four Stroke Engines

d)

Auto engines

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