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Total Questions : 1634 | Page 134 of 164 pages
Question 1331. Radiation thermometer cannot measure the temperature ___________________?
  1.    Inside a pressure vessel
  2.    Of an object without coming in contact with it
  3.    Of liquid oxygen
  4.    Of moving objects at high temperature
 Discuss Question
Answer: Option C. -> Of liquid oxygen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1332. A pyranometer is an instrument used for measuring the___________________?
  1.    Beam radiation
  2.    Global radiation
  3.    Bright sunshine period
  4.    None of these
 Discuss Question
Answer: Option B. -> Global radiation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1333. Thermistors are made of__________________?
  1.    Ultra pure metals
  2.    Metal oxides
  3.    Iron-copper alloys
  4.    Nickel-chromium alloys
 Discuss Question
Answer: Option B. -> Metal oxides
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1334. The transfer function for an ideal proportional plus reset controller (reset time T) is_______________?
  1.    Kc[1 + (1/TS)]
  2.    Kc(1 + TS)
  3.    Kc/(1 + TS)
  4.    Kc/[1 + (s/T)]
 Discuss Question
Answer: Option A. -> Kc[1 + (1/TS)]
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1335. Stabilising time for the controllers is the time required for the response to reach _____________ percent of its ultimate value?
  1.    63.2
  2.    87.5
  3.    95
  4.    100
 Discuss Question
Answer: Option C. -> 95
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1336. The initial value (t = 0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is__________________?
  1.    0
  2.    ½
  3.    1
  4.    2
 Discuss Question
Answer: Option B. -> ½
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1337. Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1) ?
  1.    w = 1/√14, Kc = 45/7 √14
  2.    w = √(7/6), Kc = 46/3
  3.    w = 1, Kc = 13
  4.    w = √(7/8), Kc = 45/4
 Discuss Question
Answer: Option B. -> w = √(7/6), Kc = 46/3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1338. Identify an unbounded input from inputs whose transfer functions are given below______________?
  1.    1
  2.    1/S
  3.    1/S2
  4.    1/(S2 + 1)
 Discuss Question
Answer: Option C. -> 1/S2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1339. Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?
  1.    Filling nitrogen under pressure in the stem
  2.    Increasing the diameter of the tube
  3.    Using steel tube in place of glass tube
  4.    Accounting for the tube expansion
 Discuss Question
Answer: Option A. -> Filling nitrogen under pressure in the stem
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1340. The transfer function of a first order system is______________?
  1.    1/(Ts + 1)
  2.    1/Ts
  3.    s/(Ts + 1)
  4.    None of these
 Discuss Question
Answer: Option A. -> 1/(Ts + 1)
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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