71. All the thermocouples used for temperature measurement use dissimilar metal
72. Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability?
73. Thermal wells used in temperature measurements should have
74. Process degree of freedom indicates __________ number of controllers to be used.
75. Bimetal strips are not used in
76. Bode diagram is a plot of
77. Bourdon tube is never made of
78. Specific conductance is defined as the reciprocal of resistance in ohms of 1 c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm3.
79. Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere?
80. Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is
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