# Engineering Laws and Ethics - MCQs Part X

Compiled MCQs in Engineering Laws and Ethics Part 10 of the series as one topic in General Engineering and Applied Sciences (GEAS) in the ECE Board Exam.

This is the Multiples Choice Questions Part 10 of the Series in Engineering Laws and Ethics as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS) field.

### Online Questions and Answers in Laws and Ethics Series

Following is the list of multiple choice questions in this brand new series:

Engineering Laws and Ethics MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

### Continue Practice Exam Test Questions Part X of the Series

451. The installation from the terminal on the pole to the protector at the customer’s premises.

• A. Service drop
• B. Subscriber’s loop
• C. Main line
• D. Local drop

452. The horizontal displacement of a point on the tower axis from its no-wind load position at that elevation.

• A. Tower displacement
• B. Tower sway
• C. Tower twist
• D. Tower bend

453. The angular displacement of a tangent to the tower axis at the elevation from its no-wind load position at that elevation

• A. Tower displacement
• B. Tower sway
• C. Tower twist
• D. Tower bend

454. The horizontal angular displacement of the tower from its no-wind position at that elevation

• A. Tower displacement
• B. Tower sway
• C. Tower twist
• D. Tower bend

455. Refers to communication facilities installed below the surface of the earth.

• A. underneath
• B. underground
• C. earth mat
• D. under earth

456. Define as wires or cables entering the building, terminated to the main cross connecting point within the building from the nearest telephone facility.

• A. drop wire
• B. local loop
• C. service entrance
• D. subscribers loop

457. A type of service entrance that serves as means of providing service aerially from a pole to a building.

• A. Aerial entrance
• B. Underground entrance
• D. Handhole

458. The size of the aerial entrance conduit shall not be less than __________ in diameter.

• A. 20 mm
• B. 30 mm
• C. 40 mm
• D. 50 mm

459. The maximum span from telephone pole to a building used in aerial entrance should be ___________.

• A. 20 m
• B. 30 m
• C. 40 m
• D. 50 m

460. In aerial entrance, the minimum clearances between telephone cable and power entrance must be __________ radial distance.

• A. 2 m
• B. 3 m
• C. 4 m
• D. 1 m

461. In aerial entrance, the minimum clearance from ground level when crossing the street must be ___________.

• A. 4.4 m
• B. 3.3 m
• C. 5.5 m
• D. 6.6 m

462. In aerial entrance, minimum clearance over areas accessible to pedestrians only, must be __________.

• A. 3.5 m
• B. 5.5 m
• C. 4.5 m
• D. 6.1 m

463. A type of service entrance that provides mechanical protection and minimizes the need for possible subsequent repairs to the property.

• A. Aerial entrance
• B. Underground entrance
• D. Handhole

464. An underground entrance’s minimum depth under areas used for vehicular traffic inside private property is

• A. 800 mm
• B. 600 mm
• C. 900 mm
• D. 700 mm

465. For underground entrance, conduits should be separated from power conduits by not less than __________ in well-tamped earth:

• A. 300 mm
• B. 100 mm
• C. 50 mm
• D. 150 mm

466. For underground entrance, conduits should be separated from power conduits by not less than __________ of concrete.

• A. 300 mm
• B. 100 mm
• C. 50 mm
• D. 150 mm

467. The size of underground entrance conduit within the building shall be no case smaller than __________ in diameter when the service entrance does not require use of a service box.

• A. 50 mm
• B. 75 mm
• C. 65 mm
• D. 45 mm

468. The use of handholes will be permitted for entrance cable not exceeding __________ pairs.

• A. 20
• B. 40
• C. 30
• D. 50

469. The minimum size for vehicular handholes is

• A. 0.61m x 0.91m x 0.91m
• B. 0.61m x 0.91m x 0.73m
• C. 0.19m x 1.23m x 1.21m
• D. 0.91m x 1.22m x 1.19m

470. The minimum size for non-vehicular handholes is

• A. 0.61m x 0.91m x 0.91m
• B. 0.61m x 0.91m x 0.73m
• C. 0.19m x 1.23m x 1.21m
• D. 0.91m x 1.22m x 1.19m

471. The use of service box will be permitted for entrance cable exceeding __________ pairs. The minimum size for service box is

• A. 0.61m x 0.91m x 0.91m
• B. 0.61m x 0.91m x 0.73m
• C. 0.19m x 1.23m x 1.21m
• D. 0.91m x 1.22m x 1.19m

472. The minimum size for service-box is

• A. 0.61m x 0.91m x 0.91m
• B. 0.61m x 0.91m x 0.73m
• C. 0.19m x 1.23m x 1.21m
• D. 0.91m x 1.22m x 1.19m

473. The minimum size for an entrance conduit is

• A. 20 mm
• B. 30 mm
• C. 40 mm
• D. 50 mm

474. The minimum number of entrance conduit is

• A. 1
• B. 2
• C. 3
• D. 4

475. It is a point where cable from TELCO and the in-building distribution system are terminated.

• A. drop wire
• B. terminal wire
• C. main terminals
• D. service box

476. The location of the main terminal must be equipped with adequate lighting, and located at a minimum distance of __________ above floor finish.

• A. 1.3 m
• B. 2.3 m
• C. 1.6 m
• D. 2.6 m

477. The location of the main terminal should have enough working space in front of all terminations. Normally __________ away from all hazards.

• A. 800 mm
• B. 800 mm
• C. 1000 mm
• D. 700 mm

478. A main terminal required for terminating entrance cables using one or more terminal blocks.

• A. Main Telephone Terminal Cabinet (MTTC)
• B. Main Distributing Frame (MDF)
• C. Riser System
• D. Service Box

479. The backboard color for Main Telephone Terminal Cabinet (MTTC) used other special services is:

• A. white
• B. yellow
• C. black
• D. blue

480. The backboard color for Main Telephone Terminal Cabinet (MTTC) used as an entrance is:

• A. white
• B. yellow
• C. black
• D. blue

481. The backboard color for Main Telephone Terminal Cabinet (MTTC) used for risers is:

• A. white
• B. yellow
• C. black
• D. blue

482. A main terminal generally recommended when entrance cable requirements will exceed 300 pairs.

• A. Main Telephone Terminal Cabinet (MTTC)
• B. Main Distributing Frame (MDF)
• C. Riser System
• D. Service Box

483. Defined as the vertical and horizontal distribution of telephone communication lines between two or more floors or adjoining premises on the same floor of a building generally originating at or near the cabinet up to the Telephone Terminal or outlet.

• A. Main Telephone Terminal Cabinet (MTTC)
• B. Main Distributing Frame (MDF)
• C. Riser System
• D. Service Box

484. A riser system usually extends from the ground to the roof top of the building with no floor separation to a ventilating shaft. Telephone cable is not permitted in unless placed in metallic conduit.

• A. Open Riser
• B. Elevated Riser
• C. Closed Riser
• D. Underground Riser

485. A riser system that consists of a series of telephone terminal cabinets/closets vertically or non-vertically aligned, usually beginning at the ground floor and extending throughout the height of the building.

• A. Open Riser
• B. Elevated Riser
• C. Closed Riser
• D. Underground Riser

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