Mechanical Measurements Set 5

Mechanical Engineering

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This set of Mechanical Measurements Multiple Choice Questions & Answers (MCQs) focuses on Mechanical Measurements Set 5

Q1 | In general, in which part of the scale does the pointer indicate most accurately?
  • In the last third of the scale
  • Around full capacity of the scale
  • In the second quarter of the scale
  • In the first quarter of the scale
  • Around middle of the scale
Answer: In the last third of the scale
Q2 | Ionisation gauges can be used for measurement of pressures as low as
  • 0.0001 micron
  • 0.01 micron
  • 0.001 micron
  • 0.1 micron
  • 0.000001 micron
Answer: 0.000001 micron
Q3 | A LVDT has
  • Two primary coils and two secondary coils
  • Two primary coils and one secondary coil
  • 15?C
  • One primary coil and one secondary coil
  • One primary coil and two secondary coils
Answer: One primary coil and one secondary coil
Q4 | Under force voltage analogy mass is considered analogous to
  • Industance
  • Capacitance
  • Resistance
  • Current source
  • Admittance
Answer: Industance
Q5 | Piezoelectric crystal possesses the ability to convert
  • electrical energy into mechanical energy
  • strain energy into electrical energy
  • mechanical energy into electrical energy
  • all the above
  • Any of the above
Answer: all the above
Q6 | Which of the following is an indirect pressure measuring device?
  • Manometer
  • Ionisation gauge
  • Capsules
  • Bourdon tube
  • Flat diaphragm
Answer: Ionisation gauge
Q7 | In the process of manufacture of copper sheets, the thickness of the sheet is to be continuously monitored. Which transducer will be most suitable for this purpose?
  • LVDT
  • Strain gauge
  • Photocell
  • Any of the above
  • None of the above
Answer: LVDT
Q8 | Which of the following is not a non-contact type thermometer?
  • Disappearing filament type pyrometer
  • Colour pyrometer
  • Photoelectric tube pyrometers
  • Total intensity radio meters
  • Suction pyrometer
Answer: Suction pyrometer
Q9 | Thermocouple used in radio micrometer and thermo-galvanometer is
  • Antimony - bismuth couple
  • Copper constant couple
  • Copper iron couple
  • Iron - copper couple
  • None of the above
Answer: Antimony - bismuth couple
Q10 | Pico x tera
  • 105 ergs
  • 100,000
  • 1
  • 1000
  • 1,000,000,000
Answer: 1
Q11 | A copper-constantan thermocouple can be used for the range of temperature from
  • ?212?C to 1000?C
  • 0?C to 250?C
  • ?175?C to 350?C
  • 100?C to 250?C
  • ?50?C to 300?C
Answer: ?175?C to 350?C
Q12 | An accelerometer has a seismic mass of 0.05 kg and a spring constant of 3000 N/m. Maximum mass displacement is
  • 120 m/s2
  • 2400 m/s2
  • 600 m/s2
  • 300 m/s2
  • 1200 m/s2
Answer: 1200 m/s2
Q13 | Under force voltage analogy, viscous friction coefficient is not considered analogous to
  • Resistance
  • Multual inductance
  • Capacitance
  • Current
  • Charge
Answer: Resistance
Q14 | In a CRO, ouput from which type of oscillator is applied to the horizontal deflection plate
  • square wave oscillator
  • sinusoidal wave oscillator
  • sawtooth wave oscillator
  • None of the above
  • Any of the above
Answer: sawtooth wave oscillator
Q15 | Under the voltage analogy, charge is considered analogous to
  • Momentum
  • Mass
  • Displacement
  • Velocity
  • Force
Answer: Displacement
Q16 | Main advantage of electrical measuring system over mechanical system is
  • mass inertia effects are negligiole
  • minimum effects of friction
  • remote indication is possoble
  • None of the above
  • Any of the above
Answer: minimum effects of friction
Q17 | Pascal is the unit of
  • force
  • torque
  • energy
  • None of the above
  • Any of the above
Answer: None of the above
Q18 | Constantan is an alloy of
  • Nickel and copper
  • Aluminium and zinc
  • Nickel and silver
  • Aluminium and copper
  • Lead and zind
Answer: Nickel and copper
Q19 | A strain gauge with high sensitivity and high gauge factor is
  • Nichrome transducer
  • Platinum-tungsten alloy transducer
  • Semi-conductor strain gauge transducer
  • Stability and dynaloy strain gauge transducer.
  • Difficulties in connections and high cost of auxiliary equipment
Answer: Semi-conductor strain gauge transducer
Q20 | Flow of water in a pipe of 250 cm diameter can be measured by
  • Pitot tube
  • Rotameter
  • Manometer
  • Venturimeter
  • Orifice plate
Answer: Pitot tube
Q21 | Which of the following instrument is suitable for measuring the temperature of a red hot moving material like molten steel or molten cst iron?
  • Gas thermometer
  • Thermistor
  • Thermocouple
  • Radiation pyrometer
  • All of the above
Answer: Radiation pyrometer
Q22 | Under the conditions when the depth of water is too much, to make a continuous record of the depth of water below a boat or ship, the instrument generally used is
  • sound box
  • fathometer
  • d B meter
  • None of the above
  • Any of the above
Answer: fathometer
Q23 | Which of the following is an indirect method of pressure measurement?
  • Mcleod gauge
  • Thermal conductivity gauge
  • Ionisation gauge
  • Radioactive vacuum gauge
  • All of the above
Answer: All of the above
Q24 | Basically D' Arsonwal movement is
  • voltage sensitive
  • current sensitive
  • power sensitive
  • None of the above
  • Any of the above
Answer: current sensitive
Q25 | Manganin does not contain
  • Zinc
  • Copper
  • Manganese
  • Nickel
  • All of the above
Answer: Zinc
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