BU 13

h. controls

A combination of push buttons, contacts, relays, and devices, operated manually or automatically to initiate door opening, starting acceleration, retardation, leveling and stopping of the car.

b. Car

A cage of light metal supported on a structural frame, the top member of which the cables, that carry the car, are fastened.

574. Slope of Escalator

30 deg.

532. What is a Grease Trap and its advisable location

A plumbing device (a type of trap) designed to intercept most greases and solids before they enter a wastewater disposal system. Located above ground, below ground, inside the kitchen, outside the building or between the sinks in a kitchen and the sewer system.

Pressure Valve

A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system

f. Machine Room

A room usually placed directly above the shaft in which the elevator machine is housed. It contains the Motor Generator (MG) set which supplies energy to the elevator machine, the control board and the control equipment.

i. Governor

A speed monitoring device on traction elevators that triggers the safety mounted on the car frame when the elevator over-speeds in either direction

Check Valve

A valve that allows fluid (liquid or gas) to flow through it in only one direction.

553. A device used to bring an elevator car to the nearest floor during a power interruption.

AUTOMATIC TRANSFER SWITCH

c. Cables

Are the means for lifting or lowering the car, usually 3 to 8 cables placed in parallel fastened to top of car by cable sockets passing over a motor driven cylindrical sheave to the counterweights.

e. Guide Rails

Are vertical tracks that guide the car and the counterweights.

552. A device that controls the Elevator Doors.

Control Panel

567. What is the term for Rows of Elevators

Elevator Bank

566. What type of elevator is usually used for low rise buildings where speed is not a main consideration?

Hydraulic Elevator

575. it is used to start an escalator

Key Operation Panel

584. What can a moving ramp do that the moving walk and escalator cannot?

Move Trolleys Note: Walkalators - 0 deg. Travelators - 12 deg. Escalator - 30 deg.

556. An Elevator powered by a piston that travels inside a cylinder. An electric motor pumps oil into the cylinder to move the piston which in turn smoothly lifts the elevator cab. Electric valves control the release of the oil for a gentle descent. It is used extensively in buildings up to six stories high and is operated at speeds up to 61 meters (200 ft) per minute. a. Electric Elevator b. Traction Elevator c. Piston Elevator d. Hydraulic Elevator

d

564. What do you call the hoistway of an elevator?

Shaft or Shaft Way

561. For the Elevator Specs shown above, what is the Machine Room width of the elevator having a tractor ratio of 1:1? a. 1100 b. 1500 c. 2350 d. 2800 (Note: 8&9th row for Machine Room Details)

d

d. Counterweights

These are rectangular blocks of cast iron stacked in one frame which is fastened to the opposite ends of the cables to which the car is fastened.

g. Elevator Machine

Turns the sheave that lifts and lowers the car.

a. Shaft

Vertical passageway for car and counterweights.

565. In elevator default system, where would the elevator car go in case of fire emergency? a. The floor where it last stopped b. Uppermost floor c. It will be stationary d. Ground Floor

d

568. Identify Part A from the illustration above. a. Elevator Hook b. Car Hook c. Traction Gear d. Sheave

d

544. Can you embed a 4" dia pipe in a 150mm wall?

Yes (1 in. wall cover on both sides)

533. What would be the consideration when providing a septic tank a. Location of the water supply b. Geography c. d.

a

535. Where to locate sanitary sewer a. Generally adjacent to curb on side streets and under the pavement in narrow streets b. c.

a

539. Kind of pipe not suited for Ultraviolet rays: c. PVC b. Iron a. PB (Polybutylene is a form of plastic resin that was used extensively in the manufacture of water supply piping)

a

542. Where should you place soil-pipes for high-rise structures? a. Pipechase b. Partitions c. RC Wall d. Column

a

549. Identify the indicated Elevator Part at right. a. Railing c. b. Brake d.

a

563. For a 3-storey building that is intended for a Senior Citizen Center with a limited budget and space, what is the appropriate type of elevator? a. Hydraulic Elevator c. Stretcher Accessible b. Traction Elevator d. None (not required)

a

580. A small freight elevator designed to carry objects rather than people. It is often connected between two floors and when located in restaurants or private homes, the lifts generally terminate in a kitchen. a. Dumbwaiter b. c. d.

a

581. Who invented the first safety Elevator brakes 1852? a. Elisha Graves Otis b. Charles Otis c. Norton Otis d. Jason Goodwin

a

585. What cannot be achieved by an escalator that is possible with a travelator? a. Move trolleys from one level to another c. d. b.

a

589. It is placed in line with the load to limit the amount of current in an electrical circuit. c. Diode a. Ballast d. Cathode b. Discharger

a

537. Plumbing accessory near the water tank used to cutoff supply (Gate Valve/Ball Valve NOT among choices) a. Check Valve b. Globe Valve c. Pressure Valve d.

b

541. When the water coming out from the faucet is contaminated, what would be the possible reason? a. Too much water pressure b. Crossing of Sanitary and Water Supply Pipes c. There's a hole in the pipe d. Rust

b

545. Should not be used for a pipechase a. CHB b. Drywall c. Shearwall d.

b

546. Escalator should not be used for a. Vertical Transport b. Fire Escape c. Dramatic Feature (Typical Specifications Width of Escalator 560mm (min) — 1.20m (max) NOTE: 1.00m (Max per ASME) Angle of inclination 30 degrees (max) Length or run = variable)

b

550. Minimum height of a Elevator Machine Room a. 2.1m c. 2.0m b. 2.4m d. 2.7m

b

555. Connections between car and openings a. Traveling cable c. Governor b. Hoist

b

557. In an Electric Elevator, this cable provides electrical power to the car and travel with the hoist. a. Governor Rope b. Travelling Cable c. Conveying Cable d. Traction Cable

b

559. For the Elevator specs shown above, what is the car size width of the elevator with a 3 ton capacity? a. 1800 b. 2100 c. 3300 d. 3000 ((Note: 4&5th row for Car Details))

b

562. After inspecting an old 5-storey building, the BFP required the owners to install an elevator and recommended that shall it be located at the space in the stairwell. What is the primary consideration in identifying the size/dimension of the elevator? a. Elevator Car c. Elevator Door b. Elevator Shaft d. Elevator Height

b

569. Identify Part B from the illustration above. a. Car Stabilizer b. Rail c. Shaft Support d. Hoistway Guide

b

570. Identify Part C from the illustration above a. Rail Buffer c. Automatic Buffer b. Car Buffer d. Oil Support

b

571. In choosing the location of an escalator, the main consideration would be a. Aesthetics C. b. Congestion of area d.

b

572. What is the most economical layout for escalators? a. Criss-crossed c. b. Straight d.

b

576. Maximum speed of Escalator a. 90fpm b. 120 fpm c. 125 fpm d. 150 fpm

b

577. Usual speed of Escalator a. 75 fpm b. 90 fpm d. 125 fpm c. 120 fpm

b

579. What is best used for a 5-Level Shopping Center? c. Elevator a. Escalator d. b. Escalator and Elevator

b

582. Main purpose of a walkalator. a. To control the flow of traffic b. Convenience of pedestrian c. Aesthethics d.

b

586. Which of the following will be used in a small kitchen and t&b a. Dehumidifier b. Exhaust c. d.

b

587. Which is not an equipment? a. Exhaust Fan b. Soap Dispenser c. ACU d.

b

588. In Plumbing, a valve is used to regulate the flow of water. What is its counterpart in Electrical? a. Convenience Outlet b. Switch c. Circuit Beakers d. Fuse

b

543. Best location to put the soil-pipes a. Dry wall b. 150mm CHB wall c. Pipe Chase d.

c

547. Minimum width of an escalator as per ASME A17.1 a. 20 in b. 22 in c. 24 in d. 26 in

c

551. Minimum depth of Elevator Pit a. 0.5m c. 0.6m b. 0.4m d. 0.9m

c

554. A device that automatically stop and maintain the elevator car within 1/2 inch of the landing regardless of the change in load. a. Stop-Go Operator c. Automatic Two-Way Levelling Device b. Homepark Device d. Automatic Floor Actuator

c

558. For the Elevator specs shown above, what is the loading capacity of the elevator having a rated power of 11KW? a. 1500 b. 2500 c. 2000 d. 1800

c

560. For the Elevator Specs shown above, what is the Shaft width of the elevator having a rated speed of 0.25 m/s? a. 2000 b. 2500 c. 4000 d. 4300 (Note: 6&7th row for Shaft Details)

c

534. Allowable slope of sanitary sewer a. 1ft of 1 meter b. ½ in of 1 meter c. ¼ of 1 meter d. ¼ of 1 ft

d

573. Why are fire preventive equipment installed in escalators? a. Cigarette butts are always thrown on the steps and there is a great chance it might enter the Drive System and cause fire b. It also serves as a manhole for maintenance c. Escalators are not fire resistant d. Escalators are prone to overheating and have caused several fires before

d

578. What do you call the steps of an escalator? c. Escalator Step Roller a. Floor Plate d. Escalator Step/ Tread b. Deck Board

d