A.volumetric expansion of mercury with increase in temperature
B.increase of vapour pressure with increase in temperature
C.increase of electrical resistance with increase in temperature
D.decrease of vapour pressure with increase in temperature
A.?30? to 350?C
B.?20? to 1600?C
C.60? to 600?C
D.0? to 600?C
A.Water
B.Mercury
C.Carbon tetrachloride
D.Ethly alcohol
A.Ordinary mercury-in-glass thermometer
B.Platinum resistance thermometer
C.Radiation pyrometer
D.Constant-volume hydrogen thermometer.
A.7
B.5
C.0
D.1
A.Iron-constantan
B.Copper-constantan
C.Chromel-alumel
D.Platinum-platium + 13% rhodium
A.orifice meter
B.venturi meter
C.open weir
D.rotameter
