__________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Linear relation of emf to temperature Corrosion resistance Oxidation resistance TRUE ANSWER : ? YOUR ANSWER : ?
Mcleoid gauge is used to measure the Pressure Point velocity Flow rate Vacuum TRUE ANSWER : ? YOUR ANSWER : ?
A non-linear system will have __________ steady state values. More than one Three Two One TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be None of these Under damped Over damped Critically damped TRUE ANSWER : ? YOUR ANSWER : ?
The transfer function for a P-D controller is Kc τD s Kc(1 +1/τD s) Kc/τD s Kc(1+τD s) TRUE ANSWER : ? YOUR ANSWER : ?
Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Methyl alcohal Carbon-tetrachloride Water Mercury TRUE ANSWER : ? YOUR ANSWER : ?
Thermistors are made of Nickel-chromium alloys Iron-copper alloys Metal oxides Ultra pure metals TRUE ANSWER : ? YOUR ANSWER : ?
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Current Voltage Light intensity Flux density TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a desirable characteristic of an instrument? High drift High fidelity High measuring lag Poor reproducibility TRUE ANSWER : ? YOUR ANSWER : ?