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1) In McLeod gauge, a. High pressure fluid is expanded to a low pressure which is read by the monometer technique b. Low pressure fluid is compressed to a high pressure which is read by the bourdon technique c. High pressure fluid is expanded to a low pressure which is read by the bourdon technique d. Low pressure fluid is compressed to a high pressure which is read by the monometer technique
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2) The rate at which fluid flows through a closed pipe can be determined by a. Determining the mass flow rate b. Determining the volume flow rate c. Either (a) or (b) d. None of these
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3) Conveyor-based method is used for the measurement of the flow of a. Solids b. Liquid c. Gas d. All of these
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4) For the measurement of flow rate of liquid, the method used is a. Conveyor-based methods b. Bourdon tube c. Coriolis method d. Thermal mass flow measurement
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5) The devices used for flow obstruction is/are a. Orifice plate b. Venturi tube c. Flow nozzle and dall flow tube d. All of these
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6) The device which is used for making temporary measurements of flow is a. Venturi b. Dull flow tube c. Orifice plate d. Pitot static tube
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7) For the measurement of flow the cheapest device is a. Venturi b. Dall flow tube c. Flow nozzle d. Pitot static tube
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8) The instrument which is not suitable for the application in automatic control scheme a. Rotameters b. Pitot static tube c. Rotary piston meter d. Orifice plate
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9) Example for positive displacement meter is a. Variable area flow meter b. Turbine meters c. Rotary piston meter d. Venturi
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10) Turbine meters are generally preferred for a. Low-viscosity and high flow measurements b. High viscosity and low flow measurements c. High viscosity and high flow measurements d. Low viscosity and low flow measurements
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11) The flow meter which is replacing the differential pressure meters in its applications is a. Vortex-shedding flow meter b. Electromagnetic flow meters c. Ultrasonic flow meters d. All of these
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12) Dipsticks are used for the a. Pressure measurement b. Flow measurement c. Displacement measurement d. Level measurement
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13) The most common application of float system is a. To monitor the fuel tank level in motor vehicle b. To monitor the flow of solid c. To monitor the flow of liquid d. All of these
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14) Capacitive devices are used for the level measurement of a. Only liquid b. Solid in powdered form c. Both (a) and (b) d. None of these
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15) In ultrasonic level gauge, the ultrasonic source is placed at the a. Bottom of the vessel containing the liquid b. Top of the vessel containing the liquid c. Middle of the vessel containing the liquid d. Far from the vessel containing the liquid
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16) If the ambient temperature is doubled and pressure fluctuates, then the transmission time of radar through air is a. Almost unaffected and remains same b. Increases c. Decreases d. None of these
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17) In radiation methods, the detector system is located at a. The top of the liquid filled tank b. The bottom of liquid filled tank c. Middle of the liquid filled tank d. Outside a liquid filled tank
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18) A vibrating level sensors consists of a. One piezoelectric oscillators b. Two piezoelectric oscillators c. Three piezoelectric oscillators d. Four piezoelectric oscillators
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19) Contact devices used for the measurement of level are a. Less reliable then devices which does not make contact with the material b. More reliable then devices which does not make contact with the material c. Less reliable then devices which makes contact with the material d. More reliable then devices which makes contact with the material
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20) Instrument which is capable of discriminating temperature differences of even 0.1 degree Celsius is a. Fibre-optic level sensors b. Laser method c. Thermography d. Vibrating level sensors
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