Mech Elec Diagnostic Test

Question 1

An OCPD that acts as a switch

Answer 1

Circuit Breaker

Question 2

Unit of electrical power

Answer 2

Watts

Question 3

FCU stands for

Answer 3

Fan Coil Unit

Question 4

Two types of condensers

Answer 4

Air cooled and Water cooled

Question 5

Unit of sound intensity

Answer 5

Watts per meter squared

Question 6

Who prepares the electrical plans

Answer 6

Professional Electrical Engineer

Question 7

1 HP is equivalent to ____ watts

Answer 7

746 or 745.7 watts

Question 8

What is the diameter of a T8 FL

Answer 8

25 mm or 1”

Question 9

Unit of one cycle of electrical frequency

Answer 9

60

Question 10

This is used to change voltage, current, and phase

Answer 10

Transformer

Question 11

No. 10 AWG is equivalent to _______ mm squared

Answer 11

5.5 mm squared

Question 12

Length of RSC

Answer 12

10ft or 3 m

Question 13

Length of IMC

Answer 13

10 ft or 3 m

Question 14

Length of EMT

Answer 14

10 ft or 3 m

Question 15

Minimum length of Moldex

Answer 15

50 m

Question 16

Practical and common type of material for electrical conductor

Answer 16

Copper

Question 17

THWN stands for

Answer 17

???

Question 18

Commercial unit for electricity

Answer 18

Kilo watts

Question 19

Available electrical power unit

Answer 19

KVA

Question 20

An engineer who designs communication systems

Answer 20

Professional electronics and communications engineer

Question 21

FDAS stands for

Answer 21

Fire Detection Alarm System

Question 22

In acoustics, the longer the wavelength, the _________ is the frequency

Answer 22

Lower

Question 23

Compute how many HP is required to cool a 120 square meter multi purpose room

Answer 23

Formula: HP = (area x 600) / 9000

HP = (120 sqm x 600) / 9000
HP = 8

Question 24

Common type NEMA enclosure for panel boards

Answer 24

?????

Question 25

Common type of lamps use in major roads

Answer 25

HPS or High Pressure Sodium Lamps

Question 26

Also known as conventional smoke detectors

Answer 26

Photo electric

Question 27

In a CCTV system, minimum channel of a DVR

Answer 27

2 but the screen shows 4 so 4(?)

Question 28

Connector of telephone lines

Answer 28

RJ 11

Question 29

Connector for STP internet cables

Answer 29

RJ 45

Question 30

PABX stands for

Answer 30

Private Automatic Branch Exchange

Question 31

Philips is a supplier of

Answer 31

Lamps

Question 32

Minimum width of an elevator door in inches

Answer 32

32"

Question 33

Minimum step width if an escalator in inches

Answer 33

16"

Question 34

Minimum speed of an escalator

Answer 34

90 fpm

Question 35

In lighting CRI stands for

Answer 35

Color Rendering Index

Question 36

First HID lamp

Answer 36

Mercury Vapor

Question 37

This has longer life span than a LED lamp

Answer 37

???

Question 38

Actual dimension of a 4x8w trifles

Answer 38

24" x 24" or 0.60 x 0.60 m

Question 39

Most common method of architectural lighting

Answer 39

General lighting

Question 40

Advantage of centralized air conditioning system compared to other systems [a] temperature can be controlled from each room [b] balanced air temperature and pressure [c] better cooling [d] low structural invert elevation

Answer 40

B. Balanced air temperature and pressure

Question 41

``` ACU TR capacity required for a 200 sq. m. room [a] 5 [b] 7 [c] 8 [d] 10 ```

Answer 41

D. 10

Question 42

``` Which of the following has the lowest CRI? [a] MV [b] HPS [c] LPS [d] LED ```

Answer 42

C. LPS

Question 43

``` Panel boards are quantified per [a] per set [b] per assembly [c] per location [d] per piece ```

Answer 43

B. Per assembly

Question 44

``` For room acoustics, what is the minimum frequency used [a] 28 Hz [b] 63 Hz [c] 200 Hz [d] 60 Hz ```

Answer 44

B. 63 Hz

Question 45

``` Unit of electrical power [a] watts [b] volts [c] amperes [d] hertz ```

Answer 45

A. Watts

Question 46

``` How many outlets can be connected in a 20 amp circuit? [a] 5 [b] 6 [c] 7 [d] 8 ```

Answer 46

D. 8

Question 47

``` What is the period validity of a Mechanical Permit? [a] 6 months [b] 1 year [c] 120 days [d] none ```

Answer 47

B. 1 year

Question 48

``` Minimum diameter of Service Drop in ( AWG ) [a] #12 [b] #10 [c] #22 [d] #30 ```

Answer 48

C. # 22

Question 49

``` What us the mm sq equivalent of a wire in #8 AWG [a] 8 mm sq [b] 3.5 mm sq [c] 5.5 mm sq [d] 22 mm sq ```

Answer 49

A. 8.0 mm sq

Question 50

``` The term Outlet is used in [a] lighting system [b] power supply system [c] lighting and power supply system [d] who cares? ```

Answer 50

C. Lighting and power supply system

Question 51

``` A 50 AT Circuit breaker is for [a] lighting [b] non lighting [c] lighting and non lighting [d] nothing else matters. I'm done with this life. ```

Answer 51

C. Lighting and non lighting

Question 52

``` This equipment is used by banks for the smoother transition from normal power to emergency power [a] UPS [b] ATS [c] Generator [d] MTS ```

Answer 52

A. UPS

Question 53

``` Defined as the amount of sound power falling on ( or passing through, or crossing) a unit [a] sound intensity [b] loudness [c] wavelength [d] pitch ```

Answer 53

A. Sound intensity

Question 54

``` Maximum speed of an escalator [a] 120 fpm [b] 90 fpm [c] 100 fpm [d] 130 fpm ```

Answer 54

A. 120 fpm

Question 55

``` Length of a non metallic rigid conduit [a] 10 ft [b] 12 ft [c] 8 ft [d] 16 ft ```

Answer 55

A. 10 ft

Question 56

``` Who is responsible for the application of electrical and mechanical permits from the OBO? [a] owner [b] architect [c] contractor [d] project manager ```

Answer 56

A. Owner

Question 57

``` Threshold of pain [a] 140 dB [b] 130 dB [c] 120 dB [d] 80 dB ```

Answer 57

B. 130 dB

Question 58

``` What is the common ceiling height of a passenger elevator car? [a] 2.1 [b] 2.2 [c] 2.4 [d] 2.6 ```

Answer 58

C. 2.4

Question 59

``` Which will consume more electrical energy? [a] laptop [b] TV [c] body building [d] AVR ```

Answer 59

B. TV

Question 60

``` Maximum length of flexible duct [a] 3 [b] 5 [c] 6 [d] 7 ```

Answer 60

C. 6

Question 61

``` The most appropriate HVAC system for a private general hospital ( 5 levels with deck ) [a] split-type [b] multi-split [c] window-type [d] centralized ```

Answer 61

????

Question 62

``` In terms of acoustics for a home theatre, what floor finish is appropriate? [a] vinyl tile [b] wood tile [c] carpet tile [d] linoleum ```

Answer 62

B. Wood tile

Question 63

``` If there is less electrical power available for your new project, you need to recommend what? [a] generator [b] transformer [c] MTS [d] Battery ```

Answer 63

B. Generator