11. The smallest change in measured value to which the instrument will respond is called
(a) accuracy
(b) precision
(c) amplification
(d) resolution
(e) sensitivity.
Ans: d
12. It responds directly to the measured quantity, producing a related motion or signal :
(a) sensing element
(b) transducer
(c) transmitter
(d) indicator
(e) measuring device.
Ans: a
13. Which of the following is used to count the number of brass items passing on a conveyor line, when no contact is permitted with the object:
(a) event counter
(b) mechanical counter
(c) magnetic pick up
(d) photoelectric cell
(e) electronic counter.
Ans: d
14. Which of the following does not pertain to timing device :
(a) charging of a condenser
(b) flow of oil through a dash pot
(c) release of air through a nozzle
(d) flow of sand through an opening
(e) piezoelectric crystal.
Ans: e
15. Motion of fast-moving systems may be timed and studied by means of a :
(a) stroboscope
(b) piezoelectric crystal
(c) electronic timer
(d) chronometer
(e) photovoltaic cell.
Ans: a
16. In which device the input motion changes the inductive coupling between primary and secondary coils :
(a) potentiometer
(b) synchro
(c) collimator
(d) protractor
(e) dial gauge.
Ans: b
17. Which effect is useful in measuring rapidly varying forces :
(a) piezoelectric
(b) strain gauge
(c) photovoltaic
(d) pneumatic gauging
(e) change of capacitance.
Ans: a
18. Pressure measuring devices are not based on:
(a) measure of an equivalent height of liquid column
(b) measure of the force exerted on a fixed area
(c) measure of some change in electrical or physical characteristics of the fluid
(d) area measurement by polar planimeter
(e) all of the above.
Ans: d
19. Which of the following may be measured by the deflection of an elastic element, by balancing against a known force, by the acceleration produced in an object of known mass :
(a) force
(b) pressure
(c) temperature
(d) level
(e) displacement.
Ans: a
20. The sensitivity of reading of manometer can be increased by :
(a) inclining the manometer rube
(b) using low specific gravity fluid
(c) application of optical magnification
(d) use of level sensing device
(e) all of the above.
Ans: a
Read More Questions:
Process Instrumentation and Control - Mechanical Engineering MCQs Part1
Process Instrumentation and Control - Mechanical Engineering MCQs Part2
(a) accuracy
(b) precision
(c) amplification
(d) resolution
(e) sensitivity.
Ans: d
12. It responds directly to the measured quantity, producing a related motion or signal :
(a) sensing element
(b) transducer
(c) transmitter
(d) indicator
(e) measuring device.
Ans: a
13. Which of the following is used to count the number of brass items passing on a conveyor line, when no contact is permitted with the object:
(a) event counter
(b) mechanical counter
(c) magnetic pick up
(d) photoelectric cell
(e) electronic counter.
Ans: d
14. Which of the following does not pertain to timing device :
(a) charging of a condenser
(b) flow of oil through a dash pot
(c) release of air through a nozzle
(d) flow of sand through an opening
(e) piezoelectric crystal.
Ans: e
15. Motion of fast-moving systems may be timed and studied by means of a :
(a) stroboscope
(b) piezoelectric crystal
(c) electronic timer
(d) chronometer
(e) photovoltaic cell.
Ans: a
16. In which device the input motion changes the inductive coupling between primary and secondary coils :
(a) potentiometer
(b) synchro
(c) collimator
(d) protractor
(e) dial gauge.
Ans: b
17. Which effect is useful in measuring rapidly varying forces :
(a) piezoelectric
(b) strain gauge
(c) photovoltaic
(d) pneumatic gauging
(e) change of capacitance.
Ans: a
18. Pressure measuring devices are not based on:
(a) measure of an equivalent height of liquid column
(b) measure of the force exerted on a fixed area
(c) measure of some change in electrical or physical characteristics of the fluid
(d) area measurement by polar planimeter
(e) all of the above.
Ans: d
19. Which of the following may be measured by the deflection of an elastic element, by balancing against a known force, by the acceleration produced in an object of known mass :
(a) force
(b) pressure
(c) temperature
(d) level
(e) displacement.
Ans: a
20. The sensitivity of reading of manometer can be increased by :
(a) inclining the manometer rube
(b) using low specific gravity fluid
(c) application of optical magnification
(d) use of level sensing device
(e) all of the above.
Ans: a
Read More Questions:
Process Instrumentation and Control - Mechanical Engineering MCQs Part1
Process Instrumentation and Control - Mechanical Engineering MCQs Part2
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