BUILDING TECH./STRUCTURAL & UTILITIES (73-96)

In lighting design and calculation, which of the following is/ are essential factors used when using Zonal Cavity Method?

• Room Cavity Ratio (RCR)

• Footcandle value

• Coefficient of Utilization (CU)

• All of these

When controlling a lamp or group of lamps in four different locations independently, the following switch combination shall be used. What is it?

• a. 2- S3w and 2- S4w

• b. 4- S4w

• c. 2- S3w and 3- S4w

• d. 1- S3w and 3- S4w

The resistance of metallic conductors when used in power transmission is affected by ___________?

• Length

• Cross Sectional Area

• Material composition

• All of these

What class of insulation consists of mica, asbestos or fiberglass, all with binders?

• Class A

• Class B

• Class C

• Class AA

As a safety precaution, a window type AC shall be installed at not less than _____ from the floor at ground floor level and along corridors and hallways.

• 2.0 m

• 1.8 m

• 2.13 m

• 2.10 m

Which statement violates the mechanical rule provision in the design, installation and maintenance of an escalator?

• Installation angle of an escalator shall be more than 30º.

• The rated speed shall be more than 38 mpm.

• a only

• both a and b

A type of intrusion detection system where the principle of beam interruption is employed. Interruption of beam causes the contact to open thereby setting off the alarm.

• Photoelectric detector

• Mechanical motion detector

• Passive infrared detector

• Acoustic detector

Fiber optics is used in installations with very heavy data transmission loads. Which characteristic/ s is/ are provided by fiber optics make it desirable and practical?

• High security

• Low noise

• Broad bandwidth

• All of these

In calculating sound absorption, an open window free from obstructions and having a length of 3 feet and a height of 4 feet has a sound absorption value of ________.

• 3 sabins

• 7 sabins

• 12 sabins

• 16 sabins

Is a component including its attachments having fundamental period greater than 0.60 sec? (NSCP 208.20)

• Flexible component

• Rigid Component

• bearing wall system

• Braced frame