M-2 Physics Final Practice Test [52 Question and 65 Minutes]

May 29, 2021 easa, exams, M2 Physics, Module 2, Physics

Module 02. Physics

Final Practice Test

An atom with 5 free electrons is said to be ?
1. trivalent
2. covalent
3. pentavalet
Oxygen has a valency of ?
1. 6
2. 2
3. 8
An isotope of an element will have more/less _________ than usual?
1. protons
2. neutrons
3. electrons
Which of the following is an example of a Longitudinal Wave ?
1. Sound Wave
2. Radio Wave
3. Light Wave
Which has the most effect on the speed of sound in air?
1. Frequency
2. Wavelength
3. Temperature
In which medium does sound travel the fastest?
1. Air
2. Steel
3. Water
Wavelength is ?
1. distance between top and bottom
2. distance between crests
3. distance from trough to crest
The speed of sound in dry air is 331 m/s. In a solid the speed would ?
1. decrease
2. increase
3. stay the same
Intensity of sound waves?
1. vary directly as per distance from source
2. is not affected by distance
3. varies inversely as the square of distance from source
Quality of sound is dependant on ?
1. number and pitch of harmonics
2. medium it is traveling through
3. frequency of the supply
The first overtone of a sound wave is the ?
1. 2nd harmonic
2. fundamental frequency
3. 1st harmonic
Particles vibrating in air?
1. tend to give off heat
2. produce waves
3. tend to give off light
The speed of sound in air at 0 °C is approximately ?
1. 181 m/s
2. 3 * 108 m/s
3. 331 m/s
A Concave mirror is used in ?
1. a rear view mirror
2. a periscope
3. headlights
The light gathering power of a lens is indicated by its ?
1. thickness of the lens
2. focal ratio
3. material
The amount of light emitted by a lamp can be measured in ?
1. luxors
2. lumens
3. candle's
A passive sensor ?
1. requires power for the transmitter
2. requires power for the sensor
3. does not require power
When an emergent light wave enters a divergent lens?
1. it is s spherical
2. it will focus behind the lens
3. it will focus beyond the lens
The fibre optic receiver is a ?
1. light emitting diode
2. laser diode
3. photodiode
A material, which has a varying refractive index is a ?
1. single index
2. step index
3. double index
How far will light travel in one year ?
1. 9.46 * 1015 m
2. 1.5 * 1011 m
3. 3 * 1015 m
Regenerators are used in fibre optic systems to reduce ?
1. dispersion
2. random emission
3. attenuation
Heat transmission by convection is confined to?
1. gases and solids
2. liquids and gases
3. solids and liquids
The Steam Point of water is ?
1. 373 Kelvin
2. 0 Kelvin
3. 273 Kelvin
Combined gas law relates volume, pressure and?
1. velocity
2. density
3. temperature
What is meant by adiabatic ?
1. Some heat crosses the boundary
2. No heat crosses the boundary
3. All heat crosses the boundary
A process where heat is given off to its surroundings is calle ?
1. isothermal
2. adiabatic
3. isobaric
A compressor increases ?
1. moving energy
2. kinetic energy
3. potential energy
A process where pressure does not change is known as?
1. isobaric
2. isothermic
3. isochoric
A process where volume does not change is?
1. isothermic
2. isobaric
3. isochoric
Convection does not occur in ?
1. liquids
2. solids
3. gas
Boyle's law states that?
1. pressure equals temperature divided by volume
2. pressure varies directly with volume
3. pressure varies inversely with volume
Charles' Law states that ?
1. volume varies directly with temperature
2. volume equals pressure * temperature
3. volume varies inversely with temperature
The heat required to change a solid to a liquid is called the heat of ?
1. vapourisation
2. condensation
3. fusion
How is heat transferred in a vacuum ?
1. Convection
2. Radiation
3. Conduction
What is the SI units for specific heat capacity ?
1. Jkg-1k-1
2. J/S/C
3. J/ kg
What is 100 Degrees Centigrade in Fahrenheit ?
1. 212 Degrees
2. 148 Degrees
3. 30 Degrees
Dew point is ?
1. the temperature at which condensation actually occurs
2. the temperature above which condensation occurs
3. the temperature below which condensation occurs
The percentage of nitrogen in air is approximately ?
1. 0.21
2. 0.78
3. 0.62
What is 1 btu/lb in joules per kilogram ?
1. 9.18 j/kg
2. 4128 j/kg
3. 2326 j/kg
1 BTU equals ?
1. 1055 Joules
2. 1055 Calorie
3. 1055 kJ
1 calorie is equal to ?
1. 400 J
2. 4 J
3. 40 J
Relative density is ?
1. density of water x density of medium
2. density of water/density of medium
3. density of medium/density of water
The gyroscopic principle is based upon ?
1. Newton’s 1st Law
2. Newton’s 2nd Law
3. Newton’s 3rd Law
Power is the rate of doing work, It is measured in ?
1. Joules * Seconds
2. Joules/Seconds
3. Watts/Seconds
The SI unit for work is the ?
1. Horsepower
2. Watt
3. Joule
An object accelerating down a slope would gain kinetic energy ?
1. equal to the potential energy lost
2. greater than the potential energy lost
3. less than the potential energy lost
What is the ratio of load to effort called ?
1. Velocity ratio
2. Mechanical advantage
3. Mechanical ratio
Which of Newton's laws relates to the formula: Force = mass * acceleration ?
1. 3rd
2. 1st
3. 2nd
An aircraft travels at 500 km/hr for 30 minutes at steady speed. How far does it move in that time ?
1. 500 km
2. 1000 km
3. 250 km
What is the rate of gravity ?
1. 9.81 m/s2
2. 0.981 m/s2
3. 12.7 m/s2
A Scalar quantity has ?
1. sense, magnitude and direction
2. magnitude only
3. sense and direction

M-1Mathematics Final Practice Test [32 Question and 40 Minutes]

May 23, 2021 EASA Module 1, exams, M1, M1 Mathematics

Module 01. Mathematics

Final Practice Test

An equilateral triangle has ?
1. 3 equal sides
2. no equal sides
3. 2 equal sides
To work out the circumference of a circle use ?
1. D * 0.3142
2. D * 3.142
3. D-3.142
A circle contains?
1. 2πr radians
2. 2π radians
3. 4π radians
A line from the centre of a circle is called ?
1. radius
2. its segment
3. diameter
15.4/2 - 2*(6.2 - 15.6) ?
1. -11.1
2. 11.1
3. 26.5
What is a scalene triangle?
1. 2 sides unequal
2. All 3 sides unequal
3. 2 sides equal
Work out the following sum: 4 {2 (5-1) -3} + 8 ?
1. 37
2. 28
3. 54
4 3/8 – 2 1/4 + 1/8 = ?
1. 2.25
2. 2 1/8
3. 2.5
Area of a right circular cone of base radius r, and height l, is ?
1. 2/3 (π * r * l)
2. (π * r * l) + 2π * r * r
3. π * r * l
How many centimetres is in an inch ?
1. 2.54
2. 25.4
3. 0.254
Find the square root of 1600 ?
1. 40
2. 800
3. 80
Evaluate 5[ 3 + 6(7-4)-2] ?
1. 395
2. 95
3. 31
What is the cube root of -64 ?
1. 4
2. -8
3. -4
3 + 4-5(4-2) = ?
1. 13
2. 4
3. -3
If 20% of 120 is 24, what is 24% of 20 ?
1. 28
2. 4.8
3. 18
An aircraft travels 1400 nautical miles in 1 hour 45 minutes. What is the average speed of the aircraft ?
1. 2450 knots
2. 800 knots
3. 750 knots
What type of equation is y = x2 + 9x + 14 ?
1. Circular
2. Exponential
3. Quadratic
How many degrees in π radians ?
1. 360
2. 180
3. 90
(x + y + z)(x + y + z) = ?
1. 2(x + y + z)
2. 2x + 2y +2z
3. (x + y + z)2
Simplify 3a-2b +6a-3b-2a ?
1. 7a +5b
2. 7a-5b
3. 7a +b
Make P the subject of the formula I = PRT/100 ?
1. P = 100I/RT
2. P = 100RT/I
3. P = IRT/100
Evaluate (3a + 2b)(2a-3b) ?
1. 6a2 + 5ab-6b2
2. 6a-5ab-6b
3. 6a2 -5ab-6b2
100000 in binary is what number in decimal ?
1. 16
2. 32
3. 64
101012 +110012 = ?
1. 4610
2. 468
3. 462
A+B)4 is (A+B)2 ?
1. (A+B)6
2. A+B
3. (A+B)2
log 9-log 3= ?
1. log 6
2. log 3
3. log 9
If 2x-8y=14 and 4x+8y=16; then x= ?
1. 5
2. 3
3. -1/2
What is 0111000012 in Octal ?
1. 452
2. 324
3. 341
The characteristic of Log 0.698 is ?
1. -1
2. 1
3. -2
Log 59,000 is equal to ?
1. 0.77452
2. 5.77452
3. 4.7745
What is Log 9-Log 3 + Log 4 ?
1. Log 10
2. Log 12
3. Log 16
Hexadecimal is base ?
1. 2
2. 8
3. 16

What is Open and closed bends // How To calculate Open and closed bends

May 22, 2021 Aircraft, Airframe Structures, M6 Materials, M7, Module 11 Aeroplane Aerodynamics

Open and closed bends

present unique problems that require more calculations than 90° bends
For any bend, we calculate the following:-
K factor
Setback
Bend Allowance
Flats
Total Development Width (TDW)