Materials
What part of the stress vs strain graph for a metal reporesent the elastic region, or Young's Modulus.
What does 'v' stand for in the equations of linear motion?
final velocity
The ………………………………… ……………………………………. provides a client with a concise account of the preferred solution including the key features and any recommendations made to inform future solution development; includes key pictures, tables, graphs, sketches and drawings.
summary report
What is the truth table for a NAND gate.
A B Output
0 0 1
1 0 1
0 1 1
1 1 0
State the equation that is Ohm's Law.
V = IR
Subtractive manufacturing is:
A. a process which models a 3D object via computer aided drawing
B. a process which cuts and joins various materials together to create a finished product
C. a process that adds successive layers of material to create an object, often referred to as 3D printing
D. a process by which 3D objects are constructed by successively cutting material away from a solid block of material, often undertaken on a CNC machine.
D
Convert 180 km/h into m/s.
50 m/s
The PSP in engineering includes how many phases.
4
What shape is a decision box in flow charts?
diamond
How would I find the resistance of an unknown resistor if I have a graph of current vs voltage?
Calculate the gradient.
Determine the allowable working stress for a copper washer which requires a factor of safety of 2.5, given that the yield stress of copper is 60 MPa.
24 MPa
Calculate the acceleration experienced by a car that goes from 110km/h to 60km/h in 3.5 seconds. Give your answer to 2dp.
a = 3.97 m/s2
List 2 economic factors which may be affected by the movement of people from country areas to city areas.
rural areas may find it difficult for jobs to be filled in farming etc.
more people in the city means economy may increase in city areas
rents / housing affordability in city areas may be difficult.
If the input to an XOR gate is a 1 and a 0 what is the output?
1
0.067 A
A Force, F, of 60 kN is vertically applied to a 5 m long steel column of diameter 20 mm.
Is this a compressive or tensile stress?
compressive
A drone travels a total distance of 200 km North in 8 hours. During its flight it travelled at a constant velocity of 35 km/h North for 4.5 hours. The drone then instantaneously reduced its speed, to a lower constant speed for the remainder of the northwards journey.
Determine the lower constant speed (in km/h) at which the drone flew.
12.14 km/h
List 2 social factors which may be affected if access to clean drinking water is not available in a village.
people may get sick from the water and be unable to work or go to school
people who can afford to pay for clean water will be better off than those that cannot
If the input N = 2 what is the output?
6
A circuit with a resistance of 10 Ω is connected to a 12 V battery.
Determine the energy used by the circuit in 1.5 minutes.
1296 J
A Force, F, of 60 kN is vertically applied to a 5 m long steel column of diameter 20 mm.
Calculate the stress experienced by the object. To the nearest whole number of MPa.
191 MPa
A car accelerates from 50 km/h at 2.5 m/s2 for 8 seconds.
Determine the car’s final velocity (in m/s).
33.89 m/s
List 2 environmental issues that would arise from urbanisation. (Cities increasing in size.)
rural areas might revegetate and have animals and plant life increase
city areas could become slummy and have poor quality water ways etc
What is the difference between an OR gate and a XOR gate?
OR is either input A or B as a 1 will produce an output or A and B as a 1 will produce an output as well.
XOR is either input A or B as a 1 will produce an output, but A and B as a 1 will not produce an output.
What is the resistance given a power of 300 W and a voltage of 240 V
192 ohms