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City & Guilds 2330. |
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1
- List the basic precautions to be taken when
about to carry out work in a public area:
2 - Design calculations involving conductors and an overcurrent protection device is most likely satisfied when:
3 - If the cable is totally enclosed in Thermal Insulation for a distance of 2 m, the correction factor (Ci) will be:
4 - An arrow appearing through an electronic symbol means the value of the device is:
5 - A 12V battery is connected across a set of resistors in series, values being, 60? 30?, 100? and 45?. The current flowing in the circuit is:
6 - Where motor isolators are remote from the motor they must be:
7 - The purpose of an installation specification is to inform the:
8 - An RCBO is a device which is used as:
9 - The legal requirement for electrical equipment to be maintained in good order is laid down in the:
10 - MΩ is the abbreviation used for:
11 - Warning signs with a blue background are:
12 - A length of copper wire has a resistance of 8 ?. What would be the resistance if the length of wire were halved and the cross sectional area doubled:
13 - Which of the following does not determine the frequency of the Periodic Inspection and Testing of an installation:
14 - DC motors create a constant, stationary, magnetic field in the conductors attached to the:
15 - The type of fault which occurs when a phase conductor comes in contact with a neutral conductor is called:
16 - The IEE Regulations are designed to provide:
17 - The maximum earth fault loop impedance, permitted by BS 7671, on a TN system for a ring final circuit protected by a 30 A BS 1361 fuse is:
18 - The minimum depth through which a sheathed cable can pass through a joist is:
19 - A black fire extinguisher contains:
20 - If two equal wattage lamps were connected in series the volt drop across each of them would:
21 - A STAR connected system has a line voltage of 1000V, what is the phase voltage:
22 - Protection against objects greater than 1mm diameter has an IP classification of:
23 - A three phase cage rotor induction motor is required to operate on a 50 Hz supply and run at a speed of approximately 730 rpm. The number of pole pairs required will be:
24 - Instrument test leads should comply with:
25 - The insulation resistance of two circuits is of 40M? an 36? respectively. When tested together what is the total insulation resistance:
26 - Which of the following type of fire extinguisher would you not use on an electrical equipment fire:
27 - An overload current is:
28 - If he plates of a parallel plate capacitor are increased in area, the capacitance will:
29 - Electrical equipment users should be:
30 - If a cable run measured on a drawing with a scale of 1:25 is 65 cm, what is the actual length of the cable run:
Your Score was out of 30
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