Multi Option Question Page 763

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You Are On Multi Choice Question Bank SET 763

38151. An ideal PID controller has the transfer function . The frequency at which the magnitude ratio of the controller is 1, is

38152. The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly

38153. Alphatron measures pressure __________ microns.

38154. What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system ?

38155. The unit step response of the transfer functionreaches its final steady state assymptotically after

38156. A process is initially at steady state with its output y=l for an input u=l. The input is suddenly changed to 2 at time t=0. The output response is y(t)=1+2t. The transfer function of the process is

38157. The term analogous to the electrical current in a thermal system is the

38158. Reset rate is the another term used for __________ time.

38159. Continuous measurement of moisture in paper is done by

38160. Psychrometer determines the

38161. The calibration data of a thermocouple with its cold junction at 0°C are given below.The hot junction of the thermocouple is placed in a bath at 80°C, while its cold junction is at 20°C. What is the emf of thermocouple ?

38162. A mercury barometer measures the __________ pressure.

38163. Positioning controllers are used for

38164. The amplitude ratio for the sinusoidal response of a __________ is 1.

38165. The response of two tanks of same size and resistance in series is

38166. The frequency response of a dynamic element shows a constant magnitude ratio at all frequencies. The element exhibits a negative phase shift at all frequencies. The absolute value of the phase shift increases linearly with frequency. The element has the transfer function

38167. The amplitude ratio for the sinusoidal response of __________ is < 1.

38168. Which of the following is a 'contact' pyrometer ?

38169. Which of the following is not a speed measuring instrument ?

38170. Measurement of sub-zero Celcius temperature in industry is done most commonly by

38171. For the block diagram shown below :The characteristic equation is

38172. Use of I-control along with P-control facilitates

38173. Turbine flow meters are suitable for

38174. Liquid discharge from a tank or reservoir can not be measured by

38175. Which of the following is not a mechanical pressure sensing element ?

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38151. An ideal PID controller has the transfer function . The frequency at which the magnitude ratio of the controller is 1, is (adsbygoogle = window.adsbygoogle || []).push({});