Font size
WorksheetsAMT2_LONG QUIZ
Total questions: 85
Worksheet time: 43mins
A substance of two or more different atoms is?
a neutrino.
an isotope.
a chemical compound.
An atom with 5 electrons in its outer shell is?
trivalent.
Monovalent
Bivalent
The heat required to change a liquid to a gas at constant temperature is the heat of.
fusion.
condensation.
vaporisation
What is the number of electrons in the inner-most shell of an atom?
4
8
2
What does an oxygen atom consist of?.
Protons, neutrons and electrons.
Protons and electrons.
Protons and neutrons.
The maximum number of electrons in the second shell is.
4.
8.
2.
There are solids, liquids and gases present in the universe and every unit of theirs occupy some space. This is called.
matter
compound
mass
Change from solid to gas state without going through liquid state is called.
transformation
sublimation
state leap.
What is the smallest particle of matter that can exist in nature?.
A molecule.
An isotope.
An atom.
An atom with 3 free electrons in its outer shell is said to be?
pentavalent
covalent
trivalent
An atom consists of?
protons, neutron and electrons.
protons and electrons.
protons and neutrons.
A majority of an atom's mass is in the.
compound
isotope
nucleus
The nucleus of an atom contains.
protons and electrons.
protons and neutrons.
electrons and neutrons.
If an atom has 2 protons, how many electrons will it have?.
1
8
2
The number of protons in an atom is equal to the number of?
electrons
neutrons
mass number.
The charge of an electron is.
neutral
negative
positive
Neutrons have?
no charge.
a positive charge.
a negative charge.
Atomic MASS number is the number of.
protons
protons and neutrons.
electrons
The number of electrons in a stable atom equals.
the number of neutrons in the nucleus.
the number of protons and neutrons in the nucleus.
the number of protons in the nucleus.
The force which opposes twisting deformation is?
torsion
strain
shear
Stress is given by?
force per unit area.
extension per original length.
force per original length.
The stress created when a material is pulled apart is called.
tension
torsion
compression
The addition of 2 different vectors to produce another vector is called
component
resolution
resultant
A quantity which has size but no direction is called a
Scalar
Moment
Vector
A Scalar quantity has
sense, magnitude and direction.
sense and direction.
magnitude only.
Equilibrium of translation occurs when.
downward forces equal upward forces.
clockwise moments equal counterclockwise moments.
none of the above
A force perpendicular to a beam produces what type of stress?
compressive
shear
tensile
A point at which the total force of a body acts is known as the
centre of gravity
point of equilibrium.
centre of mass.
When a twisting force is applied to a bolt, what stress is exerted on to the head?
Shear
Compressive
Torsion
If a tensile load is placed on a bar, it will?
bend
crush
stretch
Strain is calculated by
Original Length * Extension.
Extension ÷ Original Length.
Original Length ÷ Extension.
The SI unit of mass is the?
metre
seconds
kilogram
The formula for calculating stress is?
load divided by cross sectional area.
area divided by load.
load multiplied by cross sectional area.
If a material is loaded excessively and is permanently deformed, it is said to be.
stretched
stressed
strained
A slug is a unit of.
speed
mass
weight
The SI unit of force is the?
Newton (N)
Metre (m).
Pascal (Pa).
A vector quantity is a quantity which.
possesses sense, magnitude and direction.
possesses direction only.
possesses sense only.
One atmosphere is equal to
1.22 kg/m2.
14.7 psi
28.9 inches of Hg.
A force 10 N is placed 2 Meters from a pivot point, what is the moment?
20 Nm
20 N.
80 Nm.
The force that acts on a body to cause it to rotate in a circular path is called the?
centripetal force.
centrifugal force.
inertia force.
Which of Newton’s Laws apply most directly to an aircraft which is accelerating down a runway?
The 3rd law.
The 2nd law.
The 1st law.
Which of the following affect the speed of an object?
Magnitude and direction.
Magnitude and mass.
Magnitude only.
The SI unit of acceleration is the
metre per second squared (m/s2).
metre per second (m/s).
square metre (m2).
Which of Newton's laws relates to the formula: Force = mass * acceleration?.
1st.
2nd.
3rd.
Which of the following affect the velocity of an object?.
Speed and direction.
Speed and distance.
Speed and mass.
What force is required to produce an acceleration of 5 m/s2 on a mass of 2 kg?.
2.5 N.
10 N.
50 N.
Newton’s laws of motion apply to.
solid substances only.
all substances irrespective of state.
gases and liquids only.
What is the rate of gravity?
12.7 m/s2.
0.981 m/s2.
9.81 m/s2.
Acceleration involves.
change in speed or direction of movement.
change of position with time.
steady speed over a fixed period of time.
The SI unit of acceleration is the.
m/s2
m/s
m2
The SI unit of velocity is the.
m/s2
m/s
m
The period of simple pendulum is
independent of its mass.
longer for a heavy pendulum bob.
longer on the earth than on the moon.
What is acceleration?
Rate of change of velocity.
Rate of change of movement.
Rate of change of position.
Which of the following statements describes centrifugal force?.
Equal to centripetal force and acts in the opposite direction.
Greater than centripetal force and acts in the opposite direction.
Smaller than centripetal force and acts in the opposite direction.
The SI unit of force is the?
Pascal
Newton
Motion
Which of Newton’s Laws apply most directly to a car which is slowing down due to the braking action?.
The 1st law
The 2nd law.
The 3rd law.
For every action there is an equal and opposite reaction.' This is known as.
Newtons first law.
Newtons second law.
Newtons third law.
The size of Centripetal Force on an object travelling in a circle.
increase with increasing mass of the object.
decreases with increasing speed of the object.
increases with an increasing radius of circle.
The SI unit of momentum is the
metre squared (m2).
kilogram metre per second.
kilogram / metre (kg/m).
Precession in a gyro is.
proportional to the magnitude of the torque applied.
proportional to the square of the magnitude of the torque applied.
inversely proportional to the magnitude of the torques applied.
A gyro with a fixed point free to rotate in three axis is.
a tied gyro.
a space gyro.
an earth gyro.
What type of friction requires the greatest force to overcome it?.
Dynamic friction.
Static friction.
Rolling friction.
If a gyro is constrained to an external reference and has three degrees of freedom it is.
a tied gyro.
an earth gyro.
a space gyro.
What is the ratio of load to effort called?.
Mechanical advantage.
Velocity ratio.
Mechanical ratio.
The tension in the cable of a crane is 2500 N and it lifts a load through 50m, what is the work done on the load?.
1.25 * 10 J
500 J.
12.5 kJ.
1 Watt =
1kg/h.
1 Joule/s.
1 HP.
The gyroscopic principle is based upon.
Newton’s 3rd Law.
Newton’s 2nd Law.
Newton’s 1st Law.
A motorcycle of mass 400kg is moving at a velocity of 8m/s. Calculate its momentum.
3200 kgm/s.
50 kgm/s.
320 kgm/s.
If the speed of a gyro is increased, the force required to precess the gyro is?
increased
remains the same.
decreased
Ignoring friction, if you let an object slide down a slope, at the bottom.
the potential energy is equal to the kinetic energy.
the potential energy is more than the kinetic energy.
the kinetic energy is more than the potential energy.
The point at which an applied force overcomes friction and an object begins to move is the co-efficient of
limiting friction.
static friction.
kinetic friction.
The amount a gyro precesses when a torque is applied is
proportional to the torque.
inversely proportional to the torque.
proportional to the square of the torque.
Power is the rate of doing work. It is measured in.
Watts/Seconds.
Joules/Seconds.
Joules * Seconds.
A 6000 kg engine is lifted off a wing to a height 0.5 metres and then pushed across the hangar 24 meters. The force required to push the trolley is 12 kN. What is the work done to move the trolley?.
298kJ.
84MJ.
288kJ..
1 KW is equal to
1.34 HP.
1000 Joules.
252 BTU..
The English unit of mass is.
the Newton.
the kilogram.
the slug.
How much lift is produced on a wing can be derived from.
Bernoulli's Theorem.
Faraday's law.
Charles law.
Pressure in a pipe is?
force per unit area.
mass divided by cross-sectional area.
weight per unit area.
The specific gravity of a substance is calculated by.
density of the body squared multiplied by the density of water.
the density of the body divided by the density of water.
density of the body multiplied by the density of water.
The SI unit of density is?
kilogram per cubic metre (kg/m3).
Pascal (Pa).
cubic metre (m3).
At what temperature does water have the greatest density?.
0 °C.
100 °C.
4 °C.
1kg of water is heated from 0 °C to 2 °C. Its volume will?
decrease.
stay the same.
increase
Atmospheric pressure at ISA conditions is.
1013 pa.
1013 bar.
1013 mBar.
The SI unit of pressure is the?
Newton per metre squared (N/m2).
Cubic metre (m3).
kilogram per metre cubed (kg/m3).
Viscosity can be described as?
Newton's 1st law of motion.
fluids flowing in a straight line.
the internal resistance for a fluid to flow
