51. Working principle of disappearing filament type optical pyrometer is based on the
52. Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is
53. Specific gravity of a liquid can not be measured by a/an
54. Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a
55. In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.
56. Mercury manometer (U-tube type) exemplifies a __________ order system.
57. The term analogous to voltage in a single tank system is the
58. Flapper nozzle is used in a/an __________ controller.
59. Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C?
60. For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.
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