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This set of Mechanical Measurements Multiple Choice Questions & Answers (MCQs) focuses on Mechanical Measurements Set 9
Q1 | Venturi tubes are generally made of
- stainless steel
- aluminium
- cast iron
- phosphor bronze
- Any of the above
Q2 | Which of the following is an indirect method of pressure measurement
- McLeod gage
- Thermal conductivity gage
- Diaphragm
- All of the above
- Any of the above
Q3 | The standard gold point temperature is
- 1063?C
- 1360?C
- 1963?C
- 1630?C
- 1000?C
Q4 | Under force-current analogy, viscous friction coefficient is considered analogous to
- Reciprocal of resistance
- Reciprocal of inductance
- Reciprocal of capacitance
- Reciprocal of impedance
- None of the above
Q5 | Elastic members such as Bourdon tube are used to
- change force into velocity
- change force into displacement
- change force into stress
- None of the above
- Any of the above
Q6 | A polarograph is used for the analysis of
- solids
- liquids
- gases
- None of the above
- Any of the above
Q7 | Which of the following material has minimum gage factor
- Monel
- Manganin
- Constantan
- None of the above
- Any of the above
Q8 | The carrier material used with strain gauges at room temperature is
- Epoxy
- Bakelite
- Impregnated paper
- Iron cement
- Rubber
Q9 | Which of the following is a non-contact type thermometer?
- Alcohol thermometer
- Vapour pressure thermometer
- Optical pyrometer
- Thermocouple
- Bimetal strip thermometer
Q10 | Which of the following is not a piezoelectric material?
- Quarz
- Sodium chloride
- Ammonium dihydrogen phosphate
- All of the above
- As dectors of gamma rays
Q11 | A thermometer has a time constant of 3.5 seconds. It is quickly taken from a temperature 0?C to water bath at 100?C. What temperature will be indicated after 1.5 second?
- 100?C
- 20?C
- 50?C
- 15?C
- 35?C
Q12 | The display of a digital numerical read out instrument is achieved by
- Photo tube
- Ionization of gases
- Light dependent resistors
- Heated filaments
- Light emitting diodes
Q13 | The amount of moisture in air is measured by
- Photo conductive cell
- Thermistor
- Single psychrometer
- Orsat apparatus
- Mass spectrometer
Q14 | Thermocouples are generally used for temperature measurements upto
- 500?C
- 1600?C
- 250?C
- 1000?C
- 2600?C
Q15 | 1 Joule is equal to
- 107 ergs
- 105 ergs
- 1010 ergs
- 1012 ergs
- 109 ergs
Q16 | In the above case the natural frequency be will
- 68 Hz
- 26 Hz
- 13 Hz
- 91 Hz
- 39 Hz
Q17 | Spot the odd one out
- Difficulties in connections and high cost of auxiliary equipment
- Vacuum gauge
- Strain gauge
- Pirani gauge
- Compound pressure gauge
Q18 | Which of the following device is primarily used to measure pressure?
- Bourdon tube
- Kundts tube
- Hygrometer
- Rotameter
- All of the above
Q19 | 1 watt is the same as
- 103 ergs/s
- 1010 ergs/s
- 106 ergs/s
- 105 ergs/s
- 107 ergs/s
Q20 | Which of the following is not a self-generating transducer?
- Thermopile
- Ionization chamber
- Moving coil generator
- Photovoltaic cell
- All of the above
Q21 | For ocean sounding where the depth of water is too much and where continuous and accurate record of the depth of water below a boat or ship is to be made, the instrument generally used is known as
- Tellurometer
- Sound meter
- Sound box
- Fathometer
- dB meter
Q22 | Surface plates made of granite posses property
- are free from residual stresses
- there is less tendency for granite to creep
- granite does not corrode
- All of the above
- Any of the above
Q23 | In the above problem the thermal time constant will be
- 2.55 hrs
- 2.05 hrs
- 1 hour
- 1.44 hrs
- 3.36 hrs
Q24 | Odometer is used to measure
- threshold odours of gases
- composition of gases
- distances
- None of the above
- Any of the above
Q25 | The melting point of tungsten is around
- 2800?C
- 1256?C
- 3400?C
- 1156?C
- 4400?C