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MCQs

Total Questions : 1634 | Page 133 of 164 pages
Question 1321. On-off control which is a special case of proportional control, has a band width of about _____________ percent?
  1.    100
  2.    75
  3.    25
  4.    0
 Discuss Question
Answer: Option D. -> 0
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1322. A non-linear system will have _____________ steady state values?
  1.    One
  2.    More than one
  3.    Two
  4.    Three
 Discuss Question
Answer: Option B. -> More than one
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1323. Mcleod gauge is used to measure the __________________?
  1.    Point velocity
  2.    Flow rate
  3.    Vacuum
  4.    Pressure
 Discuss Question
Answer: Option C. -> Vacuum
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1324. In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?
  1.    G/(1 + H)
  2.    H/(1 + G)
  3.    G/H
  4.    H/G
 Discuss Question
Answer: Option B. -> H/(1 + G)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1325. Nitrogen gas constant volume thermometer is suitable for measuring a temperature of _____________ °C?
  1.    0-100
  2.    < 0
  3.    > 100
  4.    > 50
 Discuss Question
Answer: Option C. -> > 100
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1326. Mercury thermometer can be used to measure the temperature upto ____________ °C?
  1.    100
  2.    250
  3.    350
  4.    750
 Discuss Question
Answer: Option C. -> 350
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1327. Temperature of _____________ cannot be measured by an optical or radiation pyrometer?
  1.    Hot blast (air) from stoves
  2.    Molten slag flowing out of blast furnace
  3.    Combustion space in boilers
  4.    Rotary limestone calcination kiln
 Discuss Question
Answer: Option A. -> Hot blast (air) from stoves
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1328. Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
  1.    961.93
  2.    630.74
  3.    1064.43
  4.    1261.93
 Discuss Question
Answer: Option B. -> 630.74
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1329. The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since______________?
  1.    The function is exponential
  2.    The Laplace transform of integral of exp(at) has finite values only for s > a
  3.    The Laplace transform integral of exp(at) has initial values only for s > a
  4.    The function exp(at) is piece-wise continuous only for s > a
 Discuss Question
Answer: Option B. -> The Laplace transform of integral of exp(at) has finite values only for s > a
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1330. Which of the following thermocouples has the least temperature measurement range ?
  1.    Copper-constantan
  2.    Chromel-alumel
  3.    Platinum-platinum/rhodium
  4.    Iron-constantan
 Discuss Question
Answer: Option A. -> Copper-constantan
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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