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This set of Mechanical Measurements Multiple Choice Questions & Answers (MCQs) focuses on Mechanical Measurements Set 2
Q1 | A load cell cannot be used to measure
- Weight
- Temperature
- Level
- Pressure
- All of the above
Q2 | Thermistors have
- Zero temperature coefficient
- Low and positive temperature coefficient
- 14
- High and negative temperature coefficient
- Low and negative temperature coefficient
Q3 | The flow of non-conducting medium cannot be measured by
- Orifice
- Rotameter
- Electro magnetic meter
- Turbine meter
- All of the above
Q4 | Natural error in measurements is due variation in
- wind pressure
- humidity
- Temperature coefficient of liquids
- Any of the above
- Any of the above
Q5 | Which of the following standard can be used for defining length?
- Bar standard
- End standard
- Light wave standard
- Any of the above
- None of the above
Q6 | The static error bank of an instrument does not include
- Hysteresis in the instrument
- Electrical draft
- Non-linearity
- All of the above
- None of the above
Q7 | Platinum is used in resistance thermometers because of
- Low cost
- Low cost and high stability
- Low cost, high stability and wide operating range
- None of the above
- 14
Q8 | Under force-current analogy, velocity is considered analogous to
- Voltage
- Inductance
- Resistance
- Magnetic flux
- None of the above
Q9 | To measure the speed of a shaft without physical contact the method used is
- Digital method
- Variable reluctance tachometer
- Stroboscope
- Any of the above
- All of the above
Q10 | A measure of the system's ability to handle transients is known as
- Amplitude response
- Rise time
- Phase response
- All of the above
- Any of the above
Q11 | Contraction or expansion due to changes in temperature can be measured by
- Tellurometer
- Dilatometer
- Thermocouple
- Fathometer
- Optical pyrometer
Q12 | The accuracy depends upon
- Precision of instrument
- Precision of method
- Good planning
- All of the above
- None of the above
Q13 | Which of the following is the area meter?
- venturimeter
- orifice meter
- rotameter
- None of the above
- Any of the above
Q14 | A error that always follows the same definite mathematical or physical law is known as
- Detectable error
- Cumulative error
- Mathematical error
- Systematic error
- Physical error
Q15 | Which of the following is not a source of power?
- Solar cell
- Photovoltaic cell
- Thermo-couple
- Photoelectric cell
- 15?C
Q16 | A hot wire anemometer is used to measure
- Gas velocities
- Liquid discharges
- Pressure of gases
- Very low pressures
- Diameter of fine particles
Q17 | Freeqing point of mercury is
- ? 98.87?C
- ? 48.80?C
- ? 38.87?C
- None of the above
- Any of the above
Q18 | Which of the following transducers is preferred for measurements involving sound
- thermocouple
- Kundt's tube
- peizoelectric pick up
- None of the above
- Any of the above
Q19 | Which of the following magnetic material has least value of (B.H.)max?
- Alnico
- Cobalt steel
- Carbon steel
- 3.92 second
- Alcomax
Q20 | A load cell is essentially a
- Strain gauge
- Photo voltaic cell
- Thermistor
- Thermocouple
- Photoconductive device
Q21 | Bolometers are used for measurement of
- Thermal radiations
- Electromagnetic, radiations
- Manetic hysteresis loop area
- Intensity of light
- All of the above
Q22 | Which of the following strain gauge material has the highest value of gauge factor?
- 1
- Manganin
- Nichrome
- Constantan
- Soft iron
Q23 | Ceremets are
- resistance elements
- veriable capacitances
- variable inductances
- None of the above
- Any of the above
Q24 | The standard silver point temperature is
- 1155.5?C
- 887.95?C
- 666?C
- 860.5?C
- 788.90?C
Q25 | The maximum allowable limit that a measurement may vary from the true value is known as
- expected error
- permissible error
- Range of error
- None of the above
- Any of the above