1071. The most appropriate clause pertaining to the development of digital instrument is :
A. Fast reading
B. Better accuracy
C. no observation error
D. Possibility of output being fed to a memory circuit *
1072. Which of the following devices constitutes a proximity instrument ?
A. Strain gauge load cell
B. Stroboscope *
C. Dial gauge
D. Clinical thermometer
1073. Tick the odd one out in the context of being contact or non-contact type instrument for measuring temperature :
A. Mercury-in glass thermometer
B. Bimetallic strip thermometer
C. Optical radiation pyrometer *
D. Resistance thermometer
1074. In a self generating instrument the energy requirements are met entirely by the input itself , Which of the following is a self generating type instrument ?
A. Thermistor *
B. Piezo-electric pick up
C. Potentiometric device
D. Linear variable differential transformer
1075. Indicate the externally- powered type of instrument transducer :
A. Spring balance
B. Centrifugal tachometer
C. Thermocouple or thermopile
D. Photo-emissive cell *
1076. Amongst the following , an instrument with null output is :
A. Bourdon tube pressure gauge
B. Mercury manometer
C. Platform weighing scale *
D. None of them
1077. A high grade set of slip gauges preserved in a factory and not put into general use would be a standard of the type :
A. International
B. Primary
C. Secondary
D. Working *
1078. Choose the false statement :
A. Any measurement is expressed by a numerical value along with the appropriate unit
B. The conversation of force into displacement by means of a spring is a typical example of primary mode of measure ment *
C. The temperature measurement by a mercury in glass thermometer is automatic
D. The analog instruments cost less and are easy to maintain and repair
1079. Which one of the following constitutes the most important specification of an instrument ?
A. Resolution
B. Reproducibility
C. Range *
D. Sensitivity
1080. The conformity (closeness, nearness) of the output (value indicated by an instrument ) to the true value of he measurand is called :
A. Sensitivity
B. Accuracy *
C. Precision
D. Discrimination