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Pre-Test EPAS NC2 2020

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is the unit of capacitance?

a)

volt

b)

ohm

c)

watt

d)

farad

2.

Picofarad value of 104 in ceramic capacitor is equal to ________ microfarad.

a)

0.01 uF

b)

0.001 uF

c)

0.1 uF

d)

1 uF

3.

What is the name specific name of this component?

a)

ceramic

b)

resistor

c)

mylar

d)

diode

4.

What type of capacitor is in the picture?

a)

ceramic

b)

mylar

c)

polyester

d)

electrolytic

5.

What is the common value of electrolytic capacitor?

a)

1000uF/50V

b)

102J

c)

2R2J 10W

d)

1N4001/ 1A

6.

What is the normal deflection of a good capacitor?

a)

pointer in full deflection

b)

no deflection

c)

pointer deflect and turn back to high resistance

d)

intermittent deflection

7.

Which of the following resistor is polarize?

a)

electrolytic

b)

mylar

c)

polyester

d)

ceramic

8.

What is the function of capacitor?

a)

control current

b)

protection against overload

c)

store and filter ripple voltage

d)

resist the voltage

9.

What is Component symbol of Capacitor?

a)

R

b)

L

c)

Slunt C

d)

vertical C

10.

What is the range used in testing capacitor?

a)

Volatge range

b)

DC range

c)

AC range

d)

Resistance range

11.

What is the range use in testing 9V battery?

a)

10VDC

b)

29VDC

c)

50VDC

d)

250V

12.

What is the difference between AC and DC

a)

polariry

b)

current flow

c)

electrons

d)

voltage

13.

what is the value of red in resistor color codes?

a)

6

b)

2

c)

5

d)

9

14.

what is the tolerance if of the RESISTOR if no color is indicated

a)

6%

b)

7%

c)

10%

d)

20%

15.

What is the tolerance value of 10% in 2Kohm Resistor?

a)

10 ohm

b)

11 Ohm

c)

200 Ohm

d)

12 ohm

16.

What is the range use to test mylar Capacitor?

a)

x1k

b)

x10

c)

x100k

d)

x100

17.

What is the range use to test mylar Capacitor?

a)

x1k

b)

x10

c)

x100k

d)

x100

18.

what is the unit of resistance?

a)

Ohm

b)

ampere

c)

voltage

d)

watt

19.

What is the unit of current?

a)

voltage

b)

current

c)

hertz

d)

ampere

20.

What is the range used to test 30K ohm Resistor?

a)

x1k

b)

x10

c)

x100

d)

x100k

21.

what is the range used to test 220Vac?

a)

250VDC

b)

50VAC

c)

10VAC

d)

250VAC

22.

What is the range used to test 12V battery?

a)

x1k

b)

50VDC

c)

250VAC

d)

10VDC

23.

What is the difference between AC and DC?

a)

Polarity

b)

Current Flow

c)

Electrons

d)

Voltage

24.

What is the Color of the resistor code if the value is 6?

a)

red

b)

yellow

c)

green

d)

blue

25.

What is the tolerance of the resistor if the color is Red?

a)

2%

b)

3%

c)

5%

d)

10%

26.

What is the electrical properties of the Resistor?

a)

Reactance

b)

Resistance

c)

Voltage

d)

Ampere

27.

What is the tolerance value of 10% ohms in 2K ohms Resistor?

a)

20 ohms

b)

100 ohms

c)

500 ohms

d)

1k ohms

28.

What is the range use if the resistor to be tested is 25,000 Ohms?

a)

x10

b)

x1

c)

x1k

d)

x100K

29.

What is the function of the multi-tester?

a)

Test frequency

b)

test audio signals

c)

Test current, voltage and resistance

d)

Test thermal condition

30.

What V in electrical properties?

a)

empedance

b)

resistance

c)

potential difference

d)

current

31.

What is the unit of current?

a)

joule

b)

watt

c)

cm

d)

ampere

32.

Component that Convert AC to DC and allow current to flow in one Direction

a)

Capacitor

b)

Diode

c)

Inverter

d)

Resistor

33.

Anode is _________ Polarity in diodes

a)

Negative

b)

Positive

c)

Ground

d)

Hot Side

34.

Types of diodes used in lighting system and display

a)

LED

b)

zener diodes

c)

rectifier diodes

d)

schottky

35.

Range used to Test Rectifier diodes

a)

x1

b)

x1k

c)

x10

d)

x100k

36.

What type of diode is this?

a)

silicon

b)

LED

c)

Zener

d)

Mylar

37.

LED is Categorize in ?

a)

Optical Diodes

b)

Rectifier

c)

silicon

d)

Current controller

38.

Diodes is Categorize as ?

a)

Passive components

b)

Active components

c)

conductor

d)

insulator

39.

Diode has polarity

a)

anode and cathode

b)

on and off

c)

output and input

d)

none of the above

40.

Example of diode value

a)

R28Ohms

b)

22V

c)

1N4001 / 1A

d)

27A

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