61. Presence of a small amount of water in the organic systems can be determined by the __________ method.
62. Which of the following is a 'contact' pyrometer?
63. In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable.
64. Which is the most suitable instrument for measuring pressure below 3 microns?
65. Which of the following flow-metering instruments is an area meter?
66. The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C.
67. The transfer function of a first order system is
68. The operation of a rotameter is based on
69. Response of a system to a sinusoidal input is called __________ response.
70. Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.
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