Polymer Technology Mcqs for Chemical

Q.  Most commonly used rubber vulcanisation agent is __________________?

a. Sulphur
b. Bromine
c. Platinum
d. Alumina


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  Nitrogen gas constant volume thermometer is suitable for measuring a temperature of _____________ °C?
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MCQs:  Mercury thermometer can be used to measure the temperature upto ____________ °C?
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MCQs:  The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since______________?
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MCQs:  Temperature of _____________ cannot be measured by an optical or radiation pyrometer?
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MCQs:  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?
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MCQs:  Which of the following thermocouples has the least temperature measurement range ?
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MCQs:  Radiation thermometer cannot measure the temperature ___________________?
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MCQs:  The transfer function for an ideal proportional plus reset controller (reset time T) is_______________?
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MCQs:  A pyranometer is an instrument used for measuring the___________________?
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MCQs:  Thermistors are made of__________________?
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MCQs:  Stabilising time for the controllers is the time required for the response to reach _____________ percent of its ultimate value?
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MCQs:  The initial value (t = 0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is__________________?
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MCQs:  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__________________?
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MCQs:  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) ?
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MCQs:  The transfer function of a first order system is______________?
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MCQs:  Identify an unbounded input from inputs whose transfer functions are given below______________?
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MCQs:  In a single tank system, the transfer function of _____________ to inlet flow rate is 1/(TS+1)?
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MCQs:  Bode diagram are generated from output response of the system subjected to which of the following input ?
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MCQs:  Which of the following does not figure in the list of seven substances selected for international temperature scale ?
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MCQs:  The frequency response of a first order system, has a phase shift with lower and upper bounds given by________________?
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