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MCQs

Total Questions : 1634 | Page 132 of 164 pages
Question 1311. To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with
  1.    Air
  2.    A metal powder or graphite
  3.    Oil
  4.    Mercury
 Discuss Question
Answer: Option A. -> Air
Question 1312. Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
  1.    Reproducibility
  2.    Fidielity
  3.    Static characteristics
  4.    Speed of response
 Discuss Question
Answer: Option B. -> Fidielity
Question 1313. The response of two tanks of same size and resistance in series is
  1.    None of these
  2.    Over damped
  3.    Under damped
  4.    Critically damped
 Discuss Question
Answer: Option D. -> Critically damped
Question 1314. Concentration of sugar solution can be determined by the
  1.    Flame photometry
  2.    Emission spectroscopy
  3.    Oscillometry
  4.    Polarimetry
 Discuss Question
Answer: Option D. -> Polarimetry
Question 1315. A bolometer is __________________?
  1.    Used for the measurement of thermal radiation
  2.    An element which senses optical input and delivers thermal output
  3.    Both A. & B.
  4.    Neither A. nor B.
 Discuss Question
Answer: Option C. -> Both A. & B.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1316. The time constant of a first order process with resistance R and capacitance C is__________________?
  1.    R + C
  2.    R – C
  3.    RC
  4.    1/RC
 Discuss Question
Answer: Option C. -> RC
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1317. What is the overall transfer function (C/R) of the following block diagram if G = G1. G2. G3 and H = H1.H2 ?
  1.    1/(1 + GH)
  2.    G/(1 + GH)
  3.    H/(1 + GH)
  4.    G/(1 – GH)
 Discuss Question
Answer: Option B. -> G/(1 + GH)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1318. Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?
  1.    Increase of pressure
  2.    Increase of thermal conductivity
  3.    Volumetric expansion
  4.    Differential linear expansion
 Discuss Question
Answer: Option C. -> Volumetric expansion
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1319. Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?
  1.    0.0001
  2.    0.001
  3.    0.01
  4.    0.1
 Discuss Question
Answer: Option B. -> 0.001
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1320. Change of angle of refraction with composition comprises the working principle of a___________________?
  1.    Polarimeter
  2.    Polarograph
  3.    Spectrometer
  4.    Refractometer
 Discuss Question
Answer: Option D. -> Refractometer
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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