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Unit 2: Safety Pre-test

Total questions: 15

Worksheet time: 6mins

Name
Class
Date
1.

It is a clothing or equipment designed to be worn by someone to protect them from the risk of injury when doing electrical activities

a)

Personal Protective Equipment

b)

Coverall suit

c)

Safety vest

d)

Safety shoes

2.

Michael has a project related with grinding activity. What is the best PPE that he needs to use?

a)

Face Mask

b)

Safety Eye Glass

c)

Face Shield

d)

Safety Shield

3.

What are the two units that can be measured using multimeter?

a)

Resistance and Microfarad

b)

AC voltage and Resistance

c)

Volts and Ohms

d)

AC and DC voltage

4.

In measuring the amount of AC voltage in convenience outlet, where do you place the black and red test probes?

a)

Red test probe is for positive part of convenience outlet while black is for negative.

b)

Black test probe is for positive part of convenience outlet while red is for negative.

c)

Black test probe should be on left socket of outlet while red is on right socket.

d)

You can place it either left or right socket because AC voltage has no polarity.

5.

These are the lines with corresponding measurement on the scale.

a)

Linear Scale

b)

Graduation Scale

c)

Horizontal Scale

d)

Vertical Scale

6.

Graduation Scale for Voltage:

X10V = __________

a)

0.2 Volts per line

b)

1 Volt per line

c)

5 volts per line

d)

20 volts per line

7.

Graduation Scale for Resistance:

X1 Ohms (2 ohms to 10 ohms) = __________

a)

0.2 ohms per line

b)

0.5 ohms per line

c)

1 ohm per line

d)

2 ohms per line

8.

The setting of multimeter is in X10 ohms. What is the reading of resistance that is shown on the scale?

a)

15 ohms

b)

15.5 ohms

c)

16 ohms

d)

16.5 ohms

9.

In measuring the amount of voltage of battery, where do you place the black and red test probes?

a)

Red test probe is for positive part of battery while black is for negative.

b)

Black test probe is for positive part of battery while red is for negative.

c)

Black test probe should be on left side of battery while red is on right side.

d)

You can place it either left or right side of battery because DC voltage has no polarity.

10.

What is the last thing to do in measuring DC voltage using a digital multimeter?

a)

Connect the test probes into the circuit.

b)

Check the measurement on the LED display panel of multimeter.

c)

Read measurement on the scale of multimeter.

d)

Select the require range in AC volts range.

11.

_____ is one of the personal protective equipment (PPE) that is designed to catch a person in case of falling while working at a high place.

a)

Safety vest

b)

Safety suit

c)

Safety harness

d)

Safety rope

12.

Kevin accidentally touched the part of metal that is newly welded, and it harmed his hand. To prevent this, he should have used __________.

a)

Safety gloves

b)

Cotton gloves

c)

Fire protective gloves

d)

Heat protective gloves

13.

it is a type of multimeter in which the readings are displayed on an LCD or LED display panel.

a)

Analog multimeter

b)

Digital multimeter

c)

Ohmmeter

d)

Voltmeter

14.

Black test probe refers to _____, while red test probe is ______.

a)

Negative; Positive

b)

Positive; Negative

c)

Positive; Positive

d)

Negative; Negative

15.

It is a span of flexible electrical power cable with a plug on one end and multiple sockets on the other end.

a)

Plug and cord

b)

Extension

c)

Extension cord

d)

Extension cord duplex