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LINEAR EXPANSION IN METALS

Experiment(s):

1. Determination of co-efficient of linear expansion of metal



Specifications:

a) Test stand
Slidable uprights (2 nos) on a
rigid aluminium stand
Height adjustable uprights to
fix sample rods
Dial type micrometer to
measure linear expansion
Heating: Ceramic probe type
heating, 35 W heater

b) Sample rods
Copper: Length 400 mm
Brass: Length 400 mm
Aluminium: Length 400 mm
Iron: Length 400 mm

c) Heater
Probe heating power supply
Output: 35 W
Rated Input: 220 V/50 Hz
or 110 V/60 Hz
Power Consumption: <60 W

d) Thermometer
Type: 2 Channels
Display: LCD
Range: 200 °C
Resolution: 0.1 °C

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