4A Practice Test _ Questions and Answers with Complete Solutions UPDATED!!!.

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4A Practice Test Questions and Answers with Complee Solutions UPDATED!!!.


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010100020021000B
A car travelling at 90 km/h is brought to rest over a
distance of 120 m. What is the acceleration in metres per
second squared?


a) 2.6
b) -2.6
c) 1.3
d) -1.3
e) -2.0



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, c) kPa d) safety




b) -2.6 b) one


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010100020021000E
Valve packing, depending on service, may be made from:


1. Teflon
2. manila
3. impregnated asbestos
4. Halon
5. semi-metallic material


a) 1, 2, 5
b) 2, 3, 4
c) 1, 2, 3
d) 3, 4, 5
e) 1, 3, 5



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, a) monthly e) 1, 3, 5




d) 60,000 psi e)10,000 kJ


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3 of 1249

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010100020021000A
If engineers require a material which would be able to be
stretched and reduced in cross section without breaking they
would choose a material with which of the following
properties?


a) ductility
b) brittleness
c) plasticity
d) toughness
e) elasticity



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e) filtration c) rejected




a) ductility d) plasticity

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4 of 1249

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010100020021000B
An example of a Class "C" oxidizing material would be


a) charcoal starter cubes
b) butyl hydroperoxide
c) calcium carbide
d) sodium cyanide
e)hydrazine



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d) a hydrological cycle d) left hand threads




b) dry powder unit b) butyl hydroperoxide


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