Top 250+ Solved Mechanical Measurements MCQ Questions Answer
Q. Which of the following is a non-contact type thermometer?
a. Alcohol thermometer
b. Vapour pressure thermometer
c. Optical pyrometer
d. Thermocouple
e. Bimetal strip thermometer
Q. Which of the following is not a piezoelectric material?
a. Quarz
b. Sodium chloride
c. Ammonium dihydrogen phosphate
d. All of the above
e. As dectors of gamma rays
Q. The display of a digital numerical read out instrument is achieved by
a. Photo tube
b. Ionization of gases
c. Light dependent resistors
d. Heated filaments
e. Light emitting diodes
Q. The amount of moisture in air is measured by
a. Photo conductive cell
b. Thermistor
c. Single psychrometer
d. Orsat apparatus
e. Mass spectrometer
Q. Thermocouples are generally used for temperature measurements upto
a. 500?C
b. 1600?C
c. 250?C
d. 1000?C
e. 2600?C
Q. Spot the odd one out
a. Difficulties in connections and high cost of auxiliary equipment
b. Vacuum gauge
c. Strain gauge
d. Pirani gauge
e. Compound pressure gauge
Q. Which of the following device is primarily used to measure pressure?
a. Bourdon tube
b. Kundts tube
c. Hygrometer
d. Rotameter
e. All of the above
Q. Which of the following is not a self-generating transducer?
a. Thermopile
b. Ionization chamber
c. Moving coil generator
d. Photovoltaic cell
e. All of the above
Q. 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
a. Tellurometer
b. Sound meter
c. Sound box
d. Fathometer
e. dB meter
Q. Surface plates made of granite posses property
a. are free from residual stresses
b. there is less tendency for granite to creep
c. granite does not corrode
d. All of the above
e. Any of the above
Q. In the above problem the thermal time constant will be
a. 2.55 hrs
b. 2.05 hrs
c. 1 hour
d. 1.44 hrs
e. 3.36 hrs