A.two similar metal wires
B.two dissimliar metal wires
C.two strips of metals welded together having different coefficients of thermal expansion
D.two strips of metals welded together having same coefficient of thermal expansion
A.?20? to 1600?C
B.0? to 400?C
C.60? to 600?C
D.800? to 1800?C
A.mercury
B.ethyl alcohol
C.toluene
D.pentane
A.U-tube type mercury manometer
B.Bimetallic thermometer (bare)
C.Vapour pressure thermometer (bare)
D.Ordinary mercury-in-glass thermometer (without avy covering or air gap).
A.Water
B.Mercury
C.Ethly alcohol
D.Carbon tetrachloride
A.Chromel
B.Brass (70-30)
C.Nickel
D.Invar
A.speed
B.pressure
C.composition
D.speed
A.zero-order system
B.first order system
C.second-order system
D.third-order system
A.K-1
B.m/K
C.m3/K
D.m
A.differential pressures of greater than 30 psi
B.differential pressures of less than 30 psi
C.high vacuums
D.atmospheric pressure
