What is the angle shown at "x" on the image shown?
100 Degrees
80 Degrees
90 Degrees
70 Degrees
What is 0.00347009 correct to 2 significant figures?
34
0.0034
0.0035
0.34
A heater has an input of 300W and an output of 270W. Calculate the efficiency.
0.9
90%
1.1
110%
What is the area of the shape?
401000
450000
600000
500000
What is pressure
Force / area
Force x area
Mass / area
Mass x area
What is the area of the shape shown?
12cm
6cm
8cm
10cm
What process makes the material the softest?
Hardening
Tempering
Annealing
Normalising
If you increased the carbon content of stainless steel from 0.3 to 0.6 what would this effect?
Increased hardness
Increased ductility
Increased elasticity
Higher melting point
If V=IR find the current (I) in a circuit that has a resistance of 25Ω and a voltage of 12.5V.
0.5A
0.5mA
5A
2A
What process does not come in long lengths?
Round rods
Metal castings
Extrusion
Structural beams
If you cut a sheet to 3.4654m. What figure would you quote to 2 decimal places?
3.5m
3.46
3.47
34.654
In the shape below if lines A & B are the same length what is the angle of X?
23 Degrees
32 Degrees
45 Degrees
What is the length of x in the images shown?
9cm
7cm
6.4cm
5.8cm
What is the minimum force necessary to move a 90kg block on flat surface given that gravity is 9.81ms2?
882.9N
9.17N
0.109N
910N
What is B on the diagram below?
Upper Yield Point
Lower Yield Point
Elastic limit
Ultimate tensile strength
What is the turning moment in the image shown?
8000Nm
0.05Nm
20Nm
150Nm
Tempering will.......?
Increase hardness
Decrease ductility
Increase Brittleness
Increase toughness
Which one of the following categories does aluminium oxide belong to?
Composite
Polymer
Ceramic
Metal
The primary purpose of using glass fibre in plastic is to
reinforce the structure
reduce the glass transition range
improve the corrosion resistance
Reduce thermal insulation
Pressure at depth = pgh. What is the pressure acting on a vessel full of water when the density of water is 1000kg/m(3), gravity is 9.81m/s(2) and a depth of 6m
58860 Nm(3)
54000 Nm(3)
500 Nm(3)
800 Nm(3)
What process is used to produce the following item
Metal casting