ACRM_4_NDT_W&B

Which NDI method is considered the most fundamental and commonly used method for inspecting aircraft structures and components?

A. Radiographic inspection

B. Visual inspection

C. Eddy current inspection

D. Ultrasonic inspection

B

Which of the following is a basic tool commonly used during a visual inspection?

A. Good lighting

B. Magnetic yoke

C. Ultrasonic transducer

D. X-ray generator

A

A technician needs to inspect an internal area of an aircraft component that cannot be directly viewed. Which equipment would be most appropriate?

A. Magnetic particle yoke

B. Radiographic film

C. Borescope

D. Eddy current probe

C

A borescope is best described as an optical device that:

A. Measures changes in electrical conductivity

B. Detects magnetic-field disturbances

C. Produces high-frequency sound waves

D. Allows inspection of areas that are difficult to see directly using a small lens and illumination

D

Which NDI method is primarily used to locate cracks, porosity, and other discontinuities that are open to the surface?

A. Liquid penetrant inspection

B. Ultrasonic inspection

C. Magnetic particle inspection

D. Radiographic inspection

A

The basic principle that allows liquid penetrant inspection to reveal surface discontinuities is:

A. Electromagnetic induction

B. Capillary action

C. Magnetic attraction

D. Radiation absorption

B

Which statement regarding liquid penetrant inspection is correct?

A. It can only be used on ferrous metals.

B. It is primarily intended to detect deep internal defects.

C. It can be used on ferrous and non-ferrous metals and suitable nonporous plastics.

D. It requires the part to be magnetized before inspection.

C

During a liquid penetrant inspection, what is the purpose of the developer?

A. To magnetize the test part

B. To remove all surface contaminants before penetrant application

C. To produce X-rays through the test material

D. To draw trapped penetrant out of surface discontinuities, making indications easier to see

D

Which NDI method induces electrical currents in an electrically conductive material and can detect surface and some subsurface flaws?

A. Eddy current inspection

B. Liquid penetrant inspection

C. Magnetic particle inspection

D. Radiographic inspection

A

Eddy current inspection is particularly useful because changes in electrical conductivity and magnetic permeability can also help determine:

A. The exact location of water in a honeycomb cell only

B. Alloy/material identification and heat-treatment condition

C. The aircraft's total weight and balance

D. The thickness of paint only

B

Which NDI method is most commonly associated with parts made from iron or iron alloys?

A. Ultrasonic inspection

B. Liquid penetrant inspection

C. Magnetic particle inspection

D. Radiographic inspection

C

For magnetic particle inspection, the magnetic flux lines should generally be oriented:

A. Parallel to the suspected crack

B. In the same direction as the longest dimension of the part

C. Randomly with respect to the suspected discontinuity

D. Perpendicular to the suspected fault to produce sufficient magnetic-field disruption

D

Which NDI method uses high-frequency sound waves to detect surface and subsurface defects and can also be used to determine material thickness?

A. Ultrasonic inspection

B. Magnetic particle inspection

C. Liquid penetrant inspection

D. Visual inspection

A

In ultrasonic contact testing, what is used to couple the search unit to the material being inspected?

A. Magnetic powder

B. A viscous liquid or paste couplant

C. X-ray film

D. Dry iron oxide

B

Which NDI method provides a photographic or image-based view of the interior of a structure by using X-rays or gamma rays?

A. Eddy current inspection

B. Liquid penetrant inspection

C. Radiographic inspection

D. Magnetic particle inspection

C

Under PCAR Part 5.4.4, a Philippine-registered aircraft used for commercial or aerial work operations shall normally be reweighed every:

A. 2 years

B. 3 years

C. 4 years

D. 5 years

B

A Philippine-registered aircraft used in general aviation is required to be reweighed every:

A. 3 years

B. 4 years

C. 5 years

D. 6 years

C

A commercial operator has a CAAP-approved weight control program. According to PCAR 5.4.4, the aircraft shall be reweighed:

A. At the periods determined by the approved weight control program

B. Every 3 years regardless of the program

C. Every 5 years regardless of the program

D. Only after a major repair

A

Who may direct that any aircraft be reweighed outside the normal specified periods?

A. The aircraft owner

B. The chief pilot

C. The aircraft manufacturer

D. The Director General

D

What record must be maintained for modifications performed on an aircraft under PCAR 5.4.4?

A. Only the original aircraft weighing record

B. A complete and continuous record of modifications and their resultant changes to mass and CG limits

C. Only modifications affecting the engine

D. Only modifications that increase the aircraft's maximum takeoff weight

B

Which document must be issued before flight when the applicable empty-weight or empty-CG change criteria of PCAR 5.4.4(c) are met?

A. Revised Load Data Sheet

B. New Certificate of Registration

C. New Type Certificate

D. Revised Certificate of Airworthiness

A

Which best describes Standard Empty Weight/Manufacturer's Empty Weight according to the terminology in your notes?

A. Aircraft weight including passengers, cargo, and usable fuel

B. Aircraft weight including all usable fuel but excluding operating fluids

C. Airframe, engines, fixed operating equipment, unusable fuel, and applicable operating fluids in the manufacturer's specified configuration

D. Aircraft weight immediately before brake release for takeoff

C

Which item is specifically associated with Basic Empty Weight in your terminology?

A. Usable fuel for the intended flight

B. Passengers and baggage

C. Trip fuel

D. Full/correct operating fluids and the aircraft's installed operational equipment/configuration

D

Which statement best distinguishes Licensed Empty Weight from Basic Empty Weight in the terminology provided?

A. Licensed Empty Weight includes all usable fuel.

B. Licensed Empty Weight excludes full engine oil and accounts only for undrainable oil.

C. Licensed Empty Weight excludes the entire hydraulic system.

D. Licensed Empty Weight includes passengers and baggage.

B

Which of the following is included in payload?

A. Crew, passengers, baggage, and cargo

B. Unusable fuel and hydraulic fluid

C. Engine oil and nitrogen

D. Fixed aircraft equipment

A

What is the major distinction between payload and useful load?

A. Payload includes usable fuel, while useful load excludes fuel.

B. Payload includes only cargo.

C. Useful load includes usable fuel in addition to the payload items.

D. Useful load consists only of passengers and crew.

C

Which of the following is considered usable fuel?

A. Fuel trapped in lines and tanks that cannot be delivered to the engine

B. Fuel available for flight

C. Fuel remaining after the engine can no longer operate

D. Fuel removed during aircraft weighing

B

Zero fuel weight is best described as:

A. The aircraft's weight with maximum usable fuel

B. The aircraft's ramp weight before engine start

C. The aircraft's takeoff weight minus payload

D. The operational weight of the aircraft and payload without usable fuel

D

An aircraft is fully loaded for flight but has not yet started its engines. Which weight is being described?

A. Landing weight

B. Zero fuel weight

C. Ramp weight

D. Licensed empty weight

C

Which statement correctly describes takeoff weight?

A. It is the weight immediately before brake release to begin the takeoff roll.

B. It is the weight after landing and taxiing to the gate.

C. It is always equal to ramp weight.

D. It is the aircraft weight without usable fuel.

A

An aircraft has a ramp weight of 75,000 kg and burns 500 kg during engine start, run-up, and taxi to the takeoff position. What is its takeoff weight?

A. 74,000 kg

B. 74,500 kg

C. 75,000 kg

D. 75,500 kg

B

An aircraft's takeoff weight is 70,000 kg. During the flight, it burns 8,000 kg of actual trip fuel. What is the landing weight?

A. 62,000 kg

B. 63,000 kg

C. 68,000 kg

D. 78,000 kg

A

Which unit is appropriate for aircraft weight?

A. kg or lb

B. m or in

C. kg·m or lb·in

D. kg/m or lb/in

A

In weight-and-balance calculations, the arm is the:

A. Product of weight and distance

B. Distance from the CG to the aircraft's maximum allowable weight

C. Horizontal distance from the reference datum to the CG of an item

D. Difference between ramp weight and takeoff weight

C

If an item is located forward of the reference datum, what algebraic sign is normally assigned to its arm according to your terminology?

A. Positive (+)

B. Negative (−)

C. Zero

D. It depends only on the item's weight

B

Why is a moment index used in weight-and-balance calculations?

A. To determine the aircraft's maximum fuel capacity

B. To determine the aircraft's empty weight

C. To make large moment values more manageable by dividing the moment by a constant

D. To convert kilograms directly into pounds

C