Phase 2 Scientific Principles

Phase 2 Scientific Principles

University

30 Qs

quiz-placeholder

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Phase 2 Scientific Principles

Phase 2 Scientific Principles

Assessment

Quiz

Science

University

Hard

Created by

Rob Anderson

Used 14+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following materials will typically absorb the greatest amount of radiant heat?

Cast iron

Polished copper

Galvanised steel

Polished aluminium

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molten solder is drawn into an end-feed fitting by which one of the following?

Siphoning action

Atmospheric pressure

Capillary action

Adhesion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following materials used in building services engineering could suffer from atmospheric corrosion?

Brass

PVC

Low carbon steel

Stainless steel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order to calculate the linear expansion of a material, the coefficient of expansion must be multiplied by which one of the following two variables?

Original temperature and mass of material

Expanded length and mass of material

Temperature rise and density of the material

Original length and temperature rise

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Metal that can be worked without fracture is said to be:

Ductile

Malleable

Tensile

Dense

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following actions would increase the flow-rate in a pipework system made from low carbon steel?

Remove any unnecessary elbows

Increase the size of the fittings

Increase the number of fittings

Reduce the pipework bore

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ten metres of pressure is approximately equivalent to:

0.1 bar

1.0 bar

10 bar

100 bar

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