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Worksheets

util 2

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

The product of Illumination and Reflectance factor?

a)

luminance

b)

Luminous Flux

c)

Luminous Intensity

d)

Illuminance

2.

An enclosure for housing and protecting electric wires or cables that are joined together in connecting or branching electric circuits

a)

Knockout

b)

Junction box

c)

Grommet

d)

Duct

3.

Escalator configuration that is used to connect two levels. Suitable for bldg with passenger traffic flowing mainly in one direction 

a)

Single Unit

b)

Continuous Arrangement (one-way traffic)

c)

Interrupted Arrangement (one-way traffic)

d)

Parallel, interrupted (two-way traffic)

4.

Optimal escalator speed for continuous customer flow 

a)

0.5 m/s

b)

0.25 m/s

c)

0.6 / 0.65

d)

0.75

5.

A device for reducing a vapor or gas to liquid or solid form

a)

Evaporator

b)

Compressor

c)

Refrigerant

d)

Condenser

6.

States that the current that is passing through a conductor is proportional to the voltage over resistance

a)

Boyle's Law

b)

Law of Attraction

c)

Ohm's Law

d)

Faraday's Law

7.

What switches are used where it is desired to control lamps from two different points?

a)

1-way switch

b)

2-way switch

c)

3-way switch

d)

4-way switch

8.

Light emitted towards specific direction within given angle

a)

Luminous Flux

b)

Luminous Intensity

c)

Illuminance

d)

Luminance

9.

The SI Unit for ELECTRIC CURRENT. A base unit

a)

Ampere (A)

b)

Ampere (AVolt (V)

c)

Ohm (Ω)

d)

Watt (W)

10.

Form of moving staircase, consisting of chain of single piece aluminum or stainless-steel steps guided by a system of tracks in a continuous loop.

a)

Elevator

b)

Escalator

c)

Walkalator

d)

Freight Elevator 

11.

The SI unit that measures the potential difference or electromotive force; analogous to pressure in water flow

a)

Ampere (A)

b)

Volt (V)

c)

Ohm (Ω)

d)

Watt (W)

12.

A private telephone system that interconnects with public telephone systems

a)

Intercom

b)

Private Automatic Branch Exchange (PABX)

c)

Local Area Network (LAN)

d)

Wireless Local Area Network (WLAN)

13.

The material used for filament in an incandescent bulb.

a)

Lead

b)

Cathode

c)

Tungsten

d)

Chrome

14.

Small freight elevator which can be manually or electrically operated to transport food. Usually used in multi-story commercial kitchen setups but has also been increasingly used in residential applications.

a)

Elevator 

b)

Eslacalator

c)

Dumbwaiter

d)

Walkalator 

15.

An insulating and protective lining for one or more conductors passing through a hole

a)

Hole

b)

Grommet

c)

Bushing

d)

Duct

16.

A power driven, continuously moving surface , similar to a conveyor belt, used for carrying pedestrians horizontally or along low inclines

a)

Elevator

b)

Escalator

c)

People mover

d)

Moving sidewalk / Walkalator

17.

the wire size for the service drop must be the same as the wire size for the service entrance conductors

a)

TRUE

b)

FALSE

18.

According to BP344, it is the max. distance of accessible elevators from the entrance

a)

20m

b)

25m

c)

30m

d)

40m

19.

A floor lamp having its light source within a reflecting bowl that directs the light upward

a)

Gooseneck lamp

b)

Chandelier

c)

Torchiere

d)

Sconce

20.

Materials that have low resistance to electric current which allow electricity, heat, and sound pass through

a)

Electric Conductors

b)

Electric Insulators

c)

Electrical Circuits

d)

Electrical Load

21.

A branch circuit that supplies current in a number of outlets for lighting and appliances

a)

General Purpose Circuit

b)

Appliance Circuit

c)

Individual Circuit

22.

What is the color of light with the shortest wavelength?

a)

Orange

b)

Yellow

c)

Violet

d)

Red

23.

Based on NBCP, 1 passenger elevator should be kept 24hr constant service in apartments / condominiums of 5 storeys or more

a)

true

b)

false

24.

The number of cycles per unit time of a wave or oscillations expressed in hertz of cycles per second

a)

frequency

b)

Wavelength

c)

Cycle

d)

Loop

25.

According to BP344, mounting height from floor to topmost buttons for elevator control panels must be:

a)

0.75 - 0.85m

b)

0.90 - 1.20m

c)

0.60 - 0.70m

d)

1.25 - 1.45m

26.

Max load per lighting outlet

a)

50 watts

b)

100 watts

c)

125 watts

d)

75 watts

27.

Amount of light falling on 1m2 - area. Expressed in lumens per square meter

a)

Luminous Flux

b)

Luminous Intensity

c)

Illuminance

d)

Luminance

28.

A machine that converts mechanical energy into electrical energy, a generator of alternating current.

a)

Reverse

b)

Converter

c)

Inverter

d)

Alternator

29.

Generators that are utilized for special applications requiring large quantities of this in the building field such a requirement is found in elevator work.

a)

Transformer

b)

Circuit breaker 

c)

Insulator 

d)

Generator

30.

The horizontal section of railing at the upper or lower end of an escalator.

a)

Combplate

b)

Newel

c)

Lantern

d)

Post

31.

A single insulated conductor or a bound or sheathed combination of conductors insulated from one another.

a)

Circuit

b)

Wire

c)

Cable

d)

Conductor

32.

Total light emitted by a light source in all direction

a)

Luminous Intensity 

b)

Luminous Flux 

c)

Illuminance 

d)

Luminance 

33.

Component of electric circuit that stores, and supplies energy to the circuit to maintain current flow

a)

Resistor

b)

Capacitor

c)

Inductor

d)

Terminator 

34.

The SI Unit for ELECTRICAL RESISTANCE.

a)

Ohm (Ω)

b)

Watt (W)

c)

Volt (V)

d)

Ampere (A)

35.

Is the SI Unit for POWER

a)

Ampere (A)

b)

Volt (V)

c)

Ohm (Ω)

d)

Watt (W)